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DbProviderFactory — провайдер-незалежний код","/csharp/ado-net/provider-factory","01.csharp/09.ado-net/07.provider-factory",{"title":438,"path":439,"stem":440},"9.8. Асинхронний доступ до даних","/csharp/ado-net/async-data-access","01.csharp/09.ado-net/08.async-data-access",{"title":442,"path":443,"stem":444},"9.9. Від'єднаний режим: DataSet, DataTable, DataRow","/csharp/ado-net/disconnected-mode-dataset","01.csharp/09.ado-net/09.disconnected-mode-dataset",{"title":446,"path":447,"stem":448},"9.10. DataAdapter — міст між DataSet та базою даних","/csharp/ado-net/data-adapter","01.csharp/09.ado-net/10.data-adapter",{"title":450,"path":451,"stem":452},"9.11. Data Mapper та Repository: Архітектура доступу до даних","/csharp/ado-net/data-mapper-repository","01.csharp/09.ado-net/11.data-mapper-repository",{"title":454,"path":455,"stem":456},"9.12. Identity Map, Unit of Work та Specification Pattern","/csharp/ado-net/advanced-patterns","01.csharp/09.ado-net/12.advanced-patterns",{"title":458,"icon":255,"path":459,"stem":460,"children":461,"page":59},"Ef Core","/csharp/ef-core","01.csharp/10.ef-core",[462,466,470,474,478,482,486,490,494,498,502,506,510,514,518,522,526,532,538,542,546,550,554,558,562,566,570,574,578,582,586,590,594,598,602,606,610,614,618,622,626,630,634,638,642,646],{"title":463,"path":464,"stem":465},"Що таке ORM? Від SQL до об'єктів","/csharp/ef-core/what-is-orm","01.csharp/10.ef-core/01.what-is-orm",{"title":467,"path":468,"stem":469},"Перший проєкт — від нуля до CRUD","/csharp/ef-core/first-project","01.csharp/10.ef-core/02.first-project",{"title":471,"path":472,"stem":473},"DbContext — Серце EF Core","/csharp/ef-core/dbcontext-deep-dive","01.csharp/10.ef-core/03.dbcontext-deep-dive",{"title":475,"path":476,"stem":477},"Провайдери баз даних — Архітектура та Вибір СУБД","/csharp/ef-core/database-providers","01.csharp/10.ef-core/04.database-providers",{"title":479,"path":480,"stem":481},"Конвенції EF Core — Магія без конфігурації","/csharp/ef-core/conventions","01.csharp/10.ef-core/05.conventions",{"title":483,"path":484,"stem":485},"Fluent API та Data Annotations — Явна конфігурація моделі","/csharp/ef-core/fluent-api-vs-annotations","01.csharp/10.ef-core/06.fluent-api-vs-annotations",{"title":487,"path":488,"stem":489},"Зв'язки — One-to-One та One-to-Many","/csharp/ef-core/relationships-basics","01.csharp/10.ef-core/07.relationships-basics",{"title":491,"path":492,"stem":493},"Зв'язки Advanced — Many-to-Many та Складні Сценарії","/csharp/ef-core/relationships-advanced","01.csharp/10.ef-core/08.relationships-advanced",{"title":495,"path":496,"stem":497},"Властивості — Типи, Конвертери, Компаратори (Частина 1)","/csharp/ef-core/property-configuration-part1","01.csharp/10.ef-core/09.property-configuration-part1",{"title":499,"path":500,"stem":501},"Властивості — Value Comparers, Generators, Shadow Properties (Частина 2)","/csharp/ef-core/property-configuration-part2","01.csharp/10.ef-core/09.property-configuration-part2",{"title":503,"path":504,"stem":505},"Складні типи — Owned Types та Complex Types (Частина 1)","/csharp/ef-core/complex-types-owned-part1","01.csharp/10.ef-core/10.complex-types-owned-part1",{"title":507,"path":508,"stem":509},"Складні типи — Complex Types, Keyless Entities, Порівняння (Частина 2)","/csharp/ef-core/complex-types-owned-part2","01.csharp/10.ef-core/10.complex-types-owned-part2",{"title":511,"path":512,"stem":513},"JSON Columns — Складні дані у JSON (Частина 1)","/csharp/ef-core/json-columns-part1","01.csharp/10.ef-core/11.json-columns-part1",{"title":515,"path":516,"stem":517},"JSON Columns — Value Comparers, Індекси, Провайдери (Частина 2)","/csharp/ef-core/json-columns-part2","01.csharp/10.ef-core/11.json-columns-part2",{"title":519,"path":520,"stem":521},"Успадкування — Абстрактні класи та TPH (Частина 1)","/csharp/ef-core/inheritance-part1","01.csharp/10.ef-core/12.inheritance-part1",{"title":523,"path":524,"stem":525},"Успадкування — TPT, TPC та Порівняння Стратегій (Частина 2)","/csharp/ef-core/inheritance-part2","01.csharp/10.ef-core/12.inheritance-part2",{"title":527,"path":528,"stem":529,"children":530},"Індекси, Обмеження та Схема (Частина 1)","/csharp/ef-core/indexes-constraints-part1","01.csharp/10.ef-core/13.indexes-constraints-part1",[531],{"title":527,"path":528,"stem":529},{"title":533,"path":534,"stem":535,"children":536},"Індекси, Обмеження та Схема (Частина 2)","/csharp/ef-core/indexes-constraints-part2","01.csharp/10.ef-core/13.indexes-constraints-part2",[537],{"title":533,"path":534,"stem":535},{"title":539,"path":540,"stem":541},"Seed Data — Початкові Дані (Частина 1)","/csharp/ef-core/seeding-part1","01.csharp/10.ef-core/14.seeding-part1",{"title":543,"path":544,"stem":545},"Seed Data — SQL-скрипти, Bogus та Стратегії (Частина 2)","/csharp/ef-core/seeding-part2","01.csharp/10.ef-core/14.seeding-part2",{"title":547,"path":548,"stem":549},"Global Query Filters — Глобальні Фільтри (Частина 1)","/csharp/ef-core/global-query-filters-part1","01.csharp/10.ef-core/15.global-query-filters-part1",{"title":551,"path":552,"stem":553},"Global Query Filters — Підводні камені та Інтеграція (Частина 2)","/csharp/ef-core/global-query-filters-part2","01.csharp/10.ef-core/15.global-query-filters-part2",{"title":555,"path":556,"stem":557},"LINQ-запити в EF Core (Частина 1)","/csharp/ef-core/linq-queries-part1","01.csharp/10.ef-core/16.linq-queries-part1",{"title":559,"path":560,"stem":561},"LINQ-запити в EF Core (Частина 2)","/csharp/ef-core/linq-queries-part2","01.csharp/10.ef-core/16.linq-queries-part2",{"title":563,"path":564,"stem":565},"Завантаження Пов'язаних Даних (Частина 1)","/csharp/ef-core/loading-related-data-part1","01.csharp/10.ef-core/17.loading-related-data-part1",{"title":567,"path":568,"stem":569},"Завантаження Пов'язаних Даних (Частина 2)","/csharp/ef-core/loading-related-data-part2","01.csharp/10.ef-core/17.loading-related-data-part2",{"title":571,"path":572,"stem":573},"Raw SQL, Views та Stored Procedures (Частина 1)","/csharp/ef-core/raw-sql-part1","01.csharp/10.ef-core/18.raw-sql-part1",{"title":575,"path":576,"stem":577},"Raw SQL — Stored Procedures, DbFunction та Bulk Operations (Частина 2)","/csharp/ef-core/raw-sql-part2","01.csharp/10.ef-core/18.raw-sql-part2",{"title":579,"path":580,"stem":581},"Продвинуті Запити — Compiled Queries, Bulk та Оптимізація (Частина 1)","/csharp/ef-core/advanced-queries-part1","01.csharp/10.ef-core/19.advanced-queries-part1",{"title":583,"path":584,"stem":585},"Продвинуті Запити — Query Tags, Bulk та Interceptors (Частина 2)","/csharp/ef-core/advanced-queries-part2","01.csharp/10.ef-core/19.advanced-queries-part2",{"title":587,"path":588,"stem":589},"Change Tracker — Відстеження Змін (Частина 1)","/csharp/ef-core/change-tracking-part1","01.csharp/10.ef-core/20.change-tracking-part1",{"title":591,"path":592,"stem":593},"Change Tracker — Графи Об'єктів та Disconnected (Частина 2)","/csharp/ef-core/change-tracking-part2","01.csharp/10.ef-core/20.change-tracking-part2",{"title":595,"path":596,"stem":597},"Збереження Даних та Транзакції (Частина 1)","/csharp/ef-core/saving-data-part1","01.csharp/10.ef-core/21.saving-data-part1",{"title":599,"path":600,"stem":601},"Збереження Даних — Concurrency та Outbox (Частина 2)","/csharp/ef-core/saving-data-part2","01.csharp/10.ef-core/21.saving-data-part2",{"title":603,"path":604,"stem":605},"Конкурентність та Блокування (Частина 1)","/csharp/ef-core/concurrency-part1","01.csharp/10.ef-core/22.concurrency-part1",{"title":607,"path":608,"stem":609},"Конкурентність — Дедлоки та Queue Processing (Частина 2)","/csharp/ef-core/concurrency-part2","01.csharp/10.ef-core/22.concurrency-part2",{"title":611,"path":612,"stem":613},"Міграції в EF Core — Основи (Частина 1)","/csharp/ef-core/migrations-basics-part1","01.csharp/10.ef-core/23.migrations-basics-part1",{"title":615,"path":616,"stem":617},"Міграції в EF Core — Основи (Частина 2)","/csharp/ef-core/migrations-basics-part2","01.csharp/10.ef-core/23.migrations-basics-part2",{"title":619,"path":620,"stem":621},"Міграції — Просунуті Сценарії (Частина 1)","/csharp/ef-core/migrations-advanced-part1","01.csharp/10.ef-core/24.migrations-advanced-part1",{"title":623,"path":624,"stem":625},"Міграції — Просунуті Сценарії (Частина 2)","/csharp/ef-core/migrations-advanced-part2","01.csharp/10.ef-core/24.migrations-advanced-part2",{"title":627,"path":628,"stem":629},"Управління Схемою та Database-First (Частина 1)","/csharp/ef-core/schema-management-part1","01.csharp/10.ef-core/25.schema-management-part1",{"title":631,"path":632,"stem":633},"Управління Схемою та Database-First (Частина 2)","/csharp/ef-core/schema-management-part2","01.csharp/10.ef-core/25.schema-management-part2",{"title":635,"path":636,"stem":637},"Продуктивність EF Core — Основи (Частина 1)","/csharp/ef-core/performance-fundamentals-part1","01.csharp/10.ef-core/26.performance-fundamentals-part1",{"title":639,"path":640,"stem":641},"Interceptors в EF Core (Частина 1)","/csharp/ef-core/interceptors-part1","01.csharp/10.ef-core/29.interceptors-part1",{"title":643,"path":644,"stem":645},"Interceptors в EF Core — Connection, Transaction та Materialization (Частина 2)","/csharp/ef-core/interceptors-part2","01.csharp/10.ef-core/29.interceptors-part2",{"title":647,"path":648,"stem":649},"План вивчення Entity Framework Core — Повний курс","/csharp/ef-core/implementation_plan","01.csharp/10.ef-core/implementation_plan",{"title":651,"icon":652,"path":653,"stem":654,"children":655,"page":59},"ASP.NET","i-devicon-dotnetcore","/csharp/aspnet","01.csharp/11.aspnet",[656,730,791,869,927,941,967,1057,1111,1182,1212,1289],{"title":657,"icon":658,"path":659,"stem":660,"children":661,"page":59},"Minimal API","i-lucide-network","/csharp/aspnet/minimal-api","01.csharp/11.aspnet/01.minimal-api",[662,666,670,674,678,682,686,690,694,698,702,706,710,714,718,722,726],{"title":663,"path":664,"stem":665},"Вступ до ASP.NET та еволюція фреймворку","/csharp/aspnet/minimal-api/introduction","01.csharp/11.aspnet/01.minimal-api/01.introduction",{"title":667,"path":668,"stem":669},"Перший додаток на ASP.NET Core","/csharp/aspnet/minimal-api/first-application","01.csharp/11.aspnet/01.minimal-api/02.first-application",{"title":671,"path":672,"stem":673},"WebApplication, Builder та Dependency Injection","/csharp/aspnet/minimal-api/webapplication-builder","01.csharp/11.aspnet/01.minimal-api/03.webapplication-builder",{"title":675,"path":676,"stem":677},"Конвеєр запитів та Middleware","/csharp/aspnet/minimal-api/request-pipeline-middleware","01.csharp/11.aspnet/01.minimal-api/04.request-pipeline-middleware",{"title":679,"path":680,"stem":681},"Маршрутизація в ASP.NET Core: Основи","/csharp/aspnet/minimal-api/routing-basics","01.csharp/11.aspnet/01.minimal-api/05.routing-basics",{"title":683,"path":684,"stem":685},"Маршрутизація в ASP.NET Core: Розширені можливості","/csharp/aspnet/minimal-api/routing-advanced","01.csharp/11.aspnet/01.minimal-api/06.routing-advanced",{"title":687,"path":688,"stem":689},"Статичні файли в ASP.NET Core","/csharp/aspnet/minimal-api/static-files","01.csharp/11.aspnet/01.minimal-api/07.static-files",{"title":691,"path":692,"stem":693},"Статичні Активи: MapStaticAssets (ASP.NET Core 9.0)","/csharp/aspnet/minimal-api/static-assets","01.csharp/11.aspnet/01.minimal-api/08.static-assets",{"title":695,"path":696,"stem":697},"Конфігурація в ASP.NET Core: Основи","/csharp/aspnet/minimal-api/configuration-fundamentals","01.csharp/11.aspnet/01.minimal-api/09.configuration-fundamentals",{"title":699,"path":700,"stem":701},"Конфігурація: Паттерн Options","/csharp/aspnet/minimal-api/configuration-options","01.csharp/11.aspnet/01.minimal-api/10.configuration-options",{"title":703,"path":704,"stem":705},"Логування в ASP.NET Core: Основи","/csharp/aspnet/minimal-api/logging-basics","01.csharp/11.aspnet/01.minimal-api/11.logging-basics",{"title":707,"path":708,"stem":709},"Логування: Serilog та Middleware","/csharp/aspnet/minimal-api/logging-advanced","01.csharp/11.aspnet/01.minimal-api/12.logging-advanced",{"title":711,"path":712,"stem":713},"Управління станом: HttpContext.Items та Cookies","/csharp/aspnet/minimal-api/state-management","01.csharp/11.aspnet/01.minimal-api/13.state-management",{"title":715,"path":716,"stem":717},"Стан сесії: Sessions","/csharp/aspnet/minimal-api/session-state","01.csharp/11.aspnet/01.minimal-api/14.session-state",{"title":719,"path":720,"stem":721},"Структура проєкту: від хаосу до архітектури","/csharp/aspnet/minimal-api/project-structure","01.csharp/11.aspnet/01.minimal-api/15.project-structure",{"title":723,"path":724,"stem":725},"Scalar у Minimal API: повний проєкт і Fluent OpenAPI","/csharp/aspnet/minimal-api/scalar-openapi-fluent","01.csharp/11.aspnet/01.minimal-api/16.scalar-openapi-fluent",{"title":727,"path":728,"stem":729},"Swagger / Swashbuckle у Minimal API: окремий класичний шлях","/csharp/aspnet/minimal-api/swagger-swashbuckle","01.csharp/11.aspnet/01.minimal-api/17.swagger-swashbuckle",{"title":731,"icon":658,"path":732,"stem":733,"children":734,"page":59},"API","/csharp/aspnet/api","01.csharp/11.aspnet/02.api",[735,739,743,747,751,755,759,763,767,771,775,779,783,787],{"title":736,"path":737,"stem":738},"Що таке API. Клієнт-серверна архітектура","/csharp/aspnet/api/what-is-api","01.csharp/11.aspnet/02.api/01.what-is-api",{"title":740,"path":741,"stem":742},"Формати даних: JSON, XML, TOML та бінарні формати","/csharp/aspnet/api/data-formats","01.csharp/11.aspnet/02.api/02.data-formats",{"title":744,"path":745,"stem":746},"Парадигми API та концепція REST","/csharp/aspnet/api/api-paradigms-rest","01.csharp/11.aspnet/02.api/03.api-paradigms-rest",{"title":748,"path":749,"stem":750},"HTTP-методи, статус-коди та заголовки","/csharp/aspnet/api/http-methods-status-codes","01.csharp/11.aspnet/02.api/04.http-methods-status-codes",{"title":752,"path":753,"stem":754},"Організація HTTP API за принципами REST","/csharp/aspnet/api/rest-organizing","01.csharp/11.aspnet/02.api/05.rest-organizing",{"title":756,"path":757,"stem":758},"Номенклатура URL та CRUD-операції","/csharp/aspnet/api/url-nomenclature-crud","01.csharp/11.aspnet/02.api/06.url-nomenclature-crud",{"title":760,"path":761,"stem":762},"Правила дизайну: іменування та стандарти","/csharp/aspnet/api/api-design-naming","01.csharp/11.aspnet/02.api/07.api-design-naming",{"title":764,"path":765,"stem":766},"Валідація, ліміти та обробка помилок","/csharp/aspnet/api/api-design-validation","01.csharp/11.aspnet/02.api/08.api-design-validation",{"title":768,"path":769,"stem":770},"Обробка помилок у Minimal API","/csharp/aspnet/api/error-handling-http","01.csharp/11.aspnet/02.api/09.error-handling-http",{"title":772,"path":773,"stem":774},"Ідемпотентність та синхронізація стану","/csharp/aspnet/api/idempotency-sync","01.csharp/11.aspnet/02.api/10.idempotency-sync",{"title":776,"path":777,"stem":778},"Пагінація та організація списків","/csharp/aspnet/api/pagination-lists","01.csharp/11.aspnet/02.api/11.pagination-lists",{"title":780,"path":781,"stem":782},"Безпека API, кешування та інтернаціоналізація","/csharp/aspnet/api/security-auth","01.csharp/11.aspnet/02.api/12.security-auth",{"title":784,"path":785,"stem":786},"Процес проєктування API та документування","/csharp/aspnet/api/api-design-process","01.csharp/11.aspnet/02.api/13.api-design-process",{"title":788,"path":789,"stem":790},"OpenAPI: контракт, специфікація та документація API","/csharp/aspnet/api/openapi","01.csharp/11.aspnet/02.api/14.openapi",{"title":792,"icon":793,"path":794,"stem":795,"children":796,"page":59},"Auth","i-lucide-shield-check","/csharp/aspnet/auth","01.csharp/11.aspnet/03.auth",[797,801,805,809,813,817,821,825,829,833,837,841,845,849,853,857,861,865],{"title":798,"path":799,"stem":800},"Основи аутентифікації та авторизації","/csharp/aspnet/auth/auth-fundamentals","01.csharp/11.aspnet/03.auth/01.auth-fundamentals",{"title":802,"path":803,"stem":804},"JWT-аутентифікація","/csharp/aspnet/auth/jwt-authentication","01.csharp/11.aspnet/03.auth/02.jwt-authentication",{"title":806,"path":807,"stem":808},"Авторизація: ролі, політики та resource-based доступ","/csharp/aspnet/auth/authorization-policies","01.csharp/11.aspnet/03.auth/03.authorization-policies",{"title":810,"path":811,"stem":812},"Cookie-аутентифікація та ASP.NET Core Identity","/csharp/aspnet/auth/cookie-auth-identity","01.csharp/11.aspnet/03.auth/04.cookie-auth-identity",{"title":814,"path":815,"stem":816},"JWT + Refresh Tokens (HttpOnly Cookie)","/csharp/aspnet/auth/04b.identity-auth-jwt","01.csharp/11.aspnet/03.auth/04b.identity-auth-jwt",{"title":818,"path":819,"stem":820},"Identity: Підтвердження Email та Скидання Пароля","/csharp/aspnet/auth/identity-email-confirmation","01.csharp/11.aspnet/03.auth/05.identity-email-confirmation",{"title":822,"path":823,"stem":824},"Identity: Двофакторна Аутентифікація (2FA)","/csharp/aspnet/auth/identity-two-factor","01.csharp/11.aspnet/03.auth/06.identity-two-factor",{"title":826,"path":827,"stem":828},"Identity: Внутрішня Архітектура та Кастомізація","/csharp/aspnet/auth/identity-internals","01.csharp/11.aspnet/03.auth/07.identity-internals",{"title":830,"path":831,"stem":832},"OAuth 2.0 та зовнішні провайдери","/csharp/aspnet/auth/oauth-external-providers","01.csharp/11.aspnet/03.auth/08.oauth-external-providers",{"title":834,"path":835,"stem":836},"Безпека на практиці: CORS, HTTPS та захист від атак","/csharp/aspnet/auth/security-hardening","01.csharp/11.aspnet/03.auth/09.security-hardening",{"title":838,"path":839,"stem":840},"Теорія OAuth 2.0: Поняття, Аналогії та Флоу","/csharp/aspnet/auth/oauth-theory","01.csharp/11.aspnet/03.auth/10.oauth-theory",{"title":842,"path":843,"stem":844},"OIDC, OAuth 2.0 та Keycloak в ASP.NET Core","/csharp/aspnet/auth/oidc-keycloak","01.csharp/11.aspnet/03.auth/10.oidc-keycloak",{"title":846,"path":847,"stem":848},"API Keys аутентифікація в ASP.NET Core","/csharp/aspnet/auth/api-keys","01.csharp/11.aspnet/03.auth/11.api-keys",{"title":850,"path":851,"stem":852},"Rate Limiting та Throttling в ASP.NET Core","/csharp/aspnet/auth/rate-limiting","01.csharp/11.aspnet/03.auth/12.rate-limiting",{"title":854,"path":855,"stem":856},"Refresh Token Rotation в ASP.NET Core","/csharp/aspnet/auth/refresh-token-rotation","01.csharp/11.aspnet/03.auth/13.refresh-token-rotation",{"title":858,"path":859,"stem":860},"Certificate Authentication та mTLS в ASP.NET Core","/csharp/aspnet/auth/certificate-auth","01.csharp/11.aspnet/03.auth/14.certificate-auth",{"title":862,"path":863,"stem":864},"RBAC, ABAC та ReBAC в ASP.NET Core","/csharp/aspnet/auth/rbac-abac-rebac","01.csharp/11.aspnet/03.auth/15.rbac-abac-rebac",{"title":866,"path":867,"stem":868},"Multi-tenancy та ізоляція даних в ASP.NET Core","/csharp/aspnet/auth/multi-tenancy","01.csharp/11.aspnet/03.auth/16.multi-tenancy",{"title":870,"icon":871,"path":872,"stem":873,"children":874,"page":59},"Нотифікації","i-lucide-bell","/csharp/aspnet/notifications","01.csharp/11.aspnet/04.notifications",[875,879,883,887,891,895,899,903,907,911,915,919,923],{"title":876,"path":877,"stem":878},"In-App нотифікації через базу даних","/csharp/aspnet/notifications/in-app-database-notifications","01.csharp/11.aspnet/04.notifications/01.in-app-database-notifications",{"title":880,"path":881,"stem":882},"Polling: Регулярний запит оновлень","/csharp/aspnet/notifications/polling","01.csharp/11.aspnet/04.notifications/02.polling",{"title":884,"path":885,"stem":886},"Server-Sent Events: Однострімовий push від сервера","/csharp/aspnet/notifications/server-sent-events","01.csharp/11.aspnet/04.notifications/03.server-sent-events",{"title":888,"path":889,"stem":890},"WebSockets: Двостороннє з'єднання в реальному часі","/csharp/aspnet/notifications/websockets","01.csharp/11.aspnet/04.notifications/04.websockets",{"title":892,"path":893,"stem":894},"SignalR: Абстракція над транспортами реального часу","/csharp/aspnet/notifications/signalr","01.csharp/11.aspnet/04.notifications/05.signalr",{"title":896,"path":897,"stem":898},"Background Services: Фонові задачі в ASP.NET Core","/csharp/aspnet/notifications/background-services","01.csharp/11.aspnet/04.notifications/06.background-services",{"title":900,"path":901,"stem":902},"Web Push нотифікації","/csharp/aspnet/notifications/web-push","01.csharp/11.aspnet/04.notifications/07.web-push",{"title":904,"path":905,"stem":906},"Email нотифікації","/csharp/aspnet/notifications/email-notifications","01.csharp/11.aspnet/04.notifications/08.email-notifications",{"title":908,"path":909,"stem":910},"Порівняння підходів: Як вибрати правильну технологію нотифікацій","/csharp/aspnet/notifications/choosing-the-right-approach","01.csharp/11.aspnet/04.notifications/09.choosing-the-right-approach",{"title":912,"path":913,"stem":914},"Hangfire: Надійне планування фонових задач","/csharp/aspnet/notifications/hangfire","01.csharp/11.aspnet/04.notifications/10.hangfire",{"title":916,"path":917,"stem":918},"Практика: Конвертація зображень у WebP через Hangfire","/csharp/aspnet/notifications/hangfire-image-webp","01.csharp/11.aspnet/04.notifications/11.hangfire-image-webp",{"title":920,"path":921,"stem":922},"Практика: Підготовка відео до HLS-стрімінгу через Hangfire","/csharp/aspnet/notifications/hangfire-video-hls","01.csharp/11.aspnet/04.notifications/12.hangfire-video-hls",{"title":924,"path":925,"stem":926},"Telegram-нотифікації: від одного повідомлення до масових розсилок і мульти-канального підходу","/csharp/aspnet/notifications/telegram-notifications","01.csharp/11.aspnet/04.notifications/13.telegram-notifications",{"title":928,"icon":929,"path":930,"stem":931,"children":932,"page":59},"Інтернаціоналізація","i-lucide-languages","/csharp/aspnet/i18n","01.csharp/11.aspnet/05.i18n",[933,937],{"title":934,"path":935,"stem":936},"Інтернаціоналізація (i18n) у Minimal API: від A до Я","/csharp/aspnet/i18n/internationalization","01.csharp/11.aspnet/05.i18n/01.internationalization",{"title":938,"path":939,"stem":940},"Humanizer: людиномовні рядки у .NET","/csharp/aspnet/i18n/humanizer","01.csharp/11.aspnet/05.i18n/02.humanizer",{"title":942,"icon":943,"path":944,"stem":945,"children":946,"page":59},"Кешування","i-lucide-layers","/csharp/aspnet/caching","01.csharp/11.aspnet/06.caching",[947,951,955,959,963],{"title":948,"path":949,"stem":950},"Огляд кешування: чотири рівні і коли що обирати","/csharp/aspnet/caching/caching","01.csharp/11.aspnet/06.caching/01.caching",{"title":952,"path":953,"stem":954},"IMemoryCache: кеш в оперативній пам'яті","/csharp/aspnet/caching/memory-cache","01.csharp/11.aspnet/06.caching/02.memory-cache",{"title":956,"path":957,"stem":958},"IDistributedCache і Redis: розподілений кеш","/csharp/aspnet/caching/distributed-cache","01.csharp/11.aspnet/06.caching/03.distributed-cache",{"title":960,"path":961,"stem":962},"Response Cache: HTTP-кешування через Cache-Control","/csharp/aspnet/caching/response-cache","01.csharp/11.aspnet/06.caching/04.response-cache",{"title":964,"path":965,"stem":966},"Output Cache: серверний кеш HTTP-відповідей (.NET 7+)","/csharp/aspnet/caching/output-cache","01.csharp/11.aspnet/06.caching/05.output-cache",{"title":968,"icon":969,"path":970,"stem":971,"children":972,"page":59},"Тестування","i-lucide-test-tube","/csharp/aspnet/testing","01.csharp/11.aspnet/07.testing",[973,977,981,985,989,993,997,1001,1005,1009,1013,1017,1021,1025,1029,1033,1037,1041,1045,1049,1053],{"title":974,"path":975,"stem":976},"Що таке тестування? Від інтуїції до науки","/csharp/aspnet/testing/what-is-testing","01.csharp/11.aspnet/07.testing/01.what-is-testing",{"title":978,"path":979,"stem":980},"Піраміда тестування — Стратегія, а не Догма","/csharp/aspnet/testing/testing-pyramid","01.csharp/11.aspnet/07.testing/02.testing-pyramid",{"title":982,"path":983,"stem":984},"Дві Школи Тестування — Лондон проти Детройту","/csharp/aspnet/testing/testing-schools","01.csharp/11.aspnet/07.testing/03.testing-schools",{"title":986,"path":987,"stem":988},"TDD та BDD — Тести як Дизайн-інструмент","/csharp/aspnet/testing/tdd-and-bdd","01.csharp/11.aspnet/07.testing/04.tdd-and-bdd",{"title":990,"path":991,"stem":992},"Що саме тестувати — Техніки аналізу та Циклomatична складність","/csharp/aspnet/testing/what-to-test","01.csharp/11.aspnet/07.testing/05.what-to-test",{"title":994,"path":995,"stem":996},"Тестові Фреймворки — Навіщо вони і що всередині","/csharp/aspnet/testing/test-frameworks","01.csharp/11.aspnet/07.testing/06.test-frameworks",{"title":998,"path":999,"stem":1000},"xUnit — Факти, Теорії та Lifecycle тестів","/csharp/aspnet/testing/xunit-basics","01.csharp/11.aspnet/07.testing/07.xunit-basics",{"title":1002,"path":1003,"stem":1004},"xUnit Advanced — Fixtures, Кастомізація та Розширення","/csharp/aspnet/testing/xunit-advanced","01.csharp/11.aspnet/07.testing/08.xunit-advanced",{"title":1006,"path":1007,"stem":1008},"Moq — Глибоке занурення в мокування","/csharp/aspnet/testing/mocking-with-moq","01.csharp/11.aspnet/07.testing/09.mocking-with-moq",{"title":1010,"path":1011,"stem":1012},"Тестування Баз Даних — EF Core, SQLite та Testcontainers","/csharp/aspnet/testing/database-testing","01.csharp/11.aspnet/07.testing/10.database-testing",{"title":1014,"path":1015,"stem":1016},"Integration Testing — Частина 1 [Теорія та WebApplicationFactory]","/csharp/aspnet/testing/integration-testing","01.csharp/11.aspnet/07.testing/11.integration-testing",{"title":1018,"path":1019,"stem":1020},"Інтеграційне тестування — Практика","/csharp/aspnet/testing/11a.integration-testing-practice","01.csharp/11.aspnet/07.testing/11a.integration-testing-practice",{"title":1022,"path":1023,"stem":1024},"Integration Testing — Частина 2 [Просунуті Сценарії та Testcontainers]","/csharp/aspnet/testing/integration-testing-advanced","01.csharp/11.aspnet/07.testing/12.integration-testing-advanced",{"title":1026,"path":1027,"stem":1028},"Професійний Postman: Колекції, Змінні та GitHub Інтеграція","/csharp/aspnet/testing/postman-professional","01.csharp/11.aspnet/07.testing/13.postman-professional",{"title":1030,"path":1031,"stem":1032},"HttpClient у Тестах Частина 1: Архітектура та MockHttpMessageHandler","/csharp/aspnet/testing/httpclient-testing","01.csharp/11.aspnet/07.testing/14.httpclient-testing",{"title":1034,"path":1035,"stem":1036},"HttpClient у Тестах Частина 2: WireMock.Net та Resilience","/csharp/aspnet/testing/wiremock-net","01.csharp/11.aspnet/07.testing/15.wiremock-net",{"title":1038,"path":1039,"stem":1040},"Патерни та Анти-патерни Тестування: Test Smells","/csharp/aspnet/testing/testing-patterns","01.csharp/11.aspnet/07.testing/16.testing-patterns",{"title":1042,"path":1043,"stem":1044},"Просунуті інструменти: Time, Snapshots та Властивості","/csharp/aspnet/testing/advanced-testing-tools","01.csharp/11.aspnet/07.testing/17.advanced-testing-tools",{"title":1046,"path":1047,"stem":1048},"Тестування Архітектури з NetArchTest","/csharp/aspnet/testing/architecture-testing","01.csharp/11.aspnet/07.testing/18.architecture-testing",{"title":1050,"path":1051,"stem":1052},"Тестування Продуктивності: BenchmarkDotNet, NBomber та k6","/csharp/aspnet/testing/performance-testing","01.csharp/11.aspnet/07.testing/19.performance-testing",{"title":1054,"path":1055,"stem":1056},"Залишок плану для курсу \"Тестування ASP.NET Minimal API\"","/csharp/aspnet/testing/remaining_plan","01.csharp/11.aspnet/07.testing/remaining_plan",{"title":1058,"icon":1059,"path":1060,"stem":1061,"children":1062,"page":59},"Платежі","i-lucide-credit-card","/csharp/aspnet/payments","01.csharp/11.aspnet/08.payments",[1063,1067,1071,1075,1079,1083,1087,1091,1095,1099,1103,1107],{"title":1064,"path":1065,"stem":1066},"Основи платіжної інфраструктури","/csharp/aspnet/payments/payment-fundamentals","01.csharp/11.aspnet/08.payments/01.payment-fundamentals",{"title":1068,"path":1069,"stem":1070},"Методи оплати в Україні","/csharp/aspnet/payments/payment-methods-ukraine","01.csharp/11.aspnet/08.payments/02.payment-methods-ukraine",{"title":1072,"path":1073,"stem":1074},"PCI DSS та безпека платежів","/csharp/aspnet/payments/pci-dss-security","01.csharp/11.aspnet/08.payments/03.pci-dss-security",{"title":1076,"path":1077,"stem":1078},"Архітектура платіжної підсистеми","/csharp/aspnet/payments/payment-architecture","01.csharp/11.aspnet/08.payments/04.payment-architecture",{"title":1080,"path":1081,"stem":1082},"Інтеграція LiqPay (ПриватБанк)","/csharp/aspnet/payments/liqpay-integration","01.csharp/11.aspnet/08.payments/05.liqpay-integration",{"title":1084,"path":1085,"stem":1086},"Інтеграція Monobank Acquiring API","/csharp/aspnet/payments/monobank-acquiring","01.csharp/11.aspnet/08.payments/06.monobank-acquiring",{"title":1088,"path":1089,"stem":1090},"Інтеграція Stripe","/csharp/aspnet/payments/stripe-integration","01.csharp/11.aspnet/08.payments/07.stripe-integration",{"title":1092,"path":1093,"stem":1094},"Webhooks — глибоке занурення","/csharp/aspnet/payments/webhooks-deep-dive","01.csharp/11.aspnet/08.payments/08.webhooks-deep-dive",{"title":1096,"path":1097,"stem":1098},"Підписки та рекурентні платежі","/csharp/aspnet/payments/subscriptions-recurring","01.csharp/11.aspnet/08.payments/09.subscriptions-recurring",{"title":1100,"path":1101,"stem":1102},"Повернення коштів та диспути","/csharp/aspnet/payments/refunds-disputes","01.csharp/11.aspnet/08.payments/10.refunds-disputes",{"title":1104,"path":1105,"stem":1106},"Тестування платіжних інтеграцій","/csharp/aspnet/payments/testing-payments","01.csharp/11.aspnet/08.payments/11.testing-payments",{"title":1108,"path":1109,"stem":1110},"Чекліст виходу в Production","/csharp/aspnet/payments/production-checklist","01.csharp/11.aspnet/08.payments/12.production-checklist",{"title":1112,"icon":1113,"items":1114,"path":1127,"stem":1128,"children":1129,"page":59},"Популярні бібліотеки","lucide:box",[1115,1116,1117,1118,1119,1120,1121,1122,1123,1124,1125,1126],"01.fluent-validation","02.mapster","03.erroror-result-pattern","04.serilog","05.mediatr","06.polly","07.health-checks","08.feature-management","09.fluent-email","10.quest-pdf","11.bogus","12.humanizer-guard","/csharp/aspnet/libraries","01.csharp/11.aspnet/09.libraries",[1130,1134,1138,1142,1146,1150,1154,1158,1162,1166,1170,1174,1178],{"title":1131,"path":1132,"stem":1133},"Валідація з FluentValidation в ASP.NET Core","/csharp/aspnet/libraries/fluent-validation","01.csharp/11.aspnet/09.libraries/01.fluent-validation",{"title":1135,"path":1136,"stem":1137},"Маппінг об","/csharp/aspnet/libraries/mapster","01.csharp/11.aspnet/09.libraries/02.mapster",{"title":1139,"path":1140,"stem":1141},"Обробка помилок з ErrorOr та Result Pattern в ASP.NET Core","/csharp/aspnet/libraries/erroror-result-pattern","01.csharp/11.aspnet/09.libraries/03.erroror-result-pattern",{"title":1143,"path":1144,"stem":1145},"Структуроване логування з Serilog в ASP.NET Core","/csharp/aspnet/libraries/serilog","01.csharp/11.aspnet/09.libraries/04.serilog",{"title":1147,"path":1148,"stem":1149},"CQRS та Mediator з MediatR в ASP.NET Core","/csharp/aspnet/libraries/mediatr","01.csharp/11.aspnet/09.libraries/05.mediatr",{"title":1151,"path":1152,"stem":1153},"Відмовостійкість з Polly в ASP.NET Core","/csharp/aspnet/libraries/polly","01.csharp/11.aspnet/09.libraries/06.polly",{"title":1155,"path":1156,"stem":1157},"Health Checks в ASP.NET Core","/csharp/aspnet/libraries/health-checks","01.csharp/11.aspnet/09.libraries/07.health-checks",{"title":1159,"path":1160,"stem":1161},"Feature Management та Feature Flags в ASP.NET Core","/csharp/aspnet/libraries/feature-management","01.csharp/11.aspnet/09.libraries/08.feature-management",{"title":1163,"path":1164,"stem":1165},"Відправка Email з FluentEmail в ASP.NET Core","/csharp/aspnet/libraries/fluent-email","01.csharp/11.aspnet/09.libraries/09.fluent-email",{"title":1167,"path":1168,"stem":1169},"Генерація PDF з QuestPDF в ASP.NET Core","/csharp/aspnet/libraries/quest-pdf","01.csharp/11.aspnet/09.libraries/10.quest-pdf",{"title":1171,"path":1172,"stem":1173},"Генерація тестових даних з Bogus в ASP.NET Core","/csharp/aspnet/libraries/bogus","01.csharp/11.aspnet/09.libraries/11.bogus",{"title":1175,"path":1176,"stem":1177},"Humanizer та Guard Clauses в ASP.NET Core","/csharp/aspnet/libraries/humanizer-guard","01.csharp/11.aspnet/09.libraries/12.humanizer-guard",{"title":1179,"path":1180,"stem":1181},"План модуля 10.libraries — Популярні бібліотеки ASP.NET","/csharp/aspnet/libraries/plan","01.csharp/11.aspnet/09.libraries/plan",{"title":1183,"icon":1184,"path":1185,"stem":1186,"children":1187,"page":59},"Razor Pages","i-lucide-layout-template","/csharp/aspnet/razor-pages","01.csharp/11.aspnet/10.razor-pages",[1188,1192,1196,1200,1204,1208],{"title":1189,"path":1190,"stem":1191},"Від Minimal API до Razor Pages: концептуальний перехід","/csharp/aspnet/razor-pages/from-minimal-api","01.csharp/11.aspnet/10.razor-pages/01.from-minimal-api",{"title":1193,"path":1194,"stem":1195},"PageModel: логіка сторінки Razor Pages","/csharp/aspnet/razor-pages/page-model","01.csharp/11.aspnet/10.razor-pages/02.page-model",{"title":1197,"path":1198,"stem":1199},"Razor синтаксис: шаблонізатор у .cshtml","/csharp/aspnet/razor-pages/razor-syntax","01.csharp/11.aspnet/10.razor-pages/03.razor-syntax",{"title":1201,"path":1202,"stem":1203},"Tag Helpers: типізований HTML","/csharp/aspnet/razor-pages/tag-helpers","01.csharp/11.aspnet/10.razor-pages/04.tag-helpers",{"title":1205,"path":1206,"stem":1207},"Форми і валідація: повний цикл обробки даних","/csharp/aspnet/razor-pages/forms-validation","01.csharp/11.aspnet/10.razor-pages/05.forms-validation",{"title":1209,"path":1210,"stem":1211},"Практичний проєкт: TaskManager на Razor Pages","/csharp/aspnet/razor-pages/project-task-manager","01.csharp/11.aspnet/10.razor-pages/06.project-task-manager",{"title":1213,"path":1214,"stem":1215,"children":1216,"page":59},"ASP.NET Core MVC","/csharp/aspnet/mvc","01.csharp/11.aspnet/11.mvc",[1217,1221,1225,1229,1233,1237,1241,1245,1249,1253,1257,1261,1265,1269,1273,1277,1281,1285],{"title":1218,"path":1219,"stem":1220},"Патерн MVC: архітектура, що змінила веб","/csharp/aspnet/mvc/mvc-pattern","01.csharp/11.aspnet/11.mvc/01.mvc-pattern",{"title":1222,"path":1223,"stem":1224},"Від Razor Pages до MVC: концептуальний перехід","/csharp/aspnet/mvc/from-razor-pages","01.csharp/11.aspnet/11.mvc/02.from-razor-pages",{"title":1226,"path":1227,"stem":1228},"Controllers та Actions: серце MVC","/csharp/aspnet/mvc/controllers-actions","01.csharp/11.aspnet/11.mvc/03.controllers-actions",{"title":1230,"path":1231,"stem":1232},"Маршрутизація в MVC: Convention vs Attribute Routing","/csharp/aspnet/mvc/routing-mvc","01.csharp/11.aspnet/11.mvc/04.routing-mvc",{"title":1234,"path":1235,"stem":1236},"Model Binding: від HTTP до C#","/csharp/aspnet/mvc/model-binding","01.csharp/11.aspnet/11.mvc/05.model-binding",{"title":1238,"path":1239,"stem":1240},"Views, ViewData, ViewBag, TempData і ViewModel","/csharp/aspnet/mvc/views-viewdata-tempdata","01.csharp/11.aspnet/11.mvc/06.views-viewdata-tempdata",{"title":1242,"path":1243,"stem":1244},"Filters: аспектно-орієнтоване програмування в MVC","/csharp/aspnet/mvc/filters","01.csharp/11.aspnet/11.mvc/07.filters",{"title":1246,"path":1247,"stem":1248},"Areas: структурування великих застосунків","/csharp/aspnet/mvc/areas","01.csharp/11.aspnet/11.mvc/08.areas",{"title":1250,"path":1251,"stem":1252},"View Components: повторювані незалежні блоки UI","/csharp/aspnet/mvc/view-components","01.csharp/11.aspnet/11.mvc/09.view-components",{"title":1254,"path":1255,"stem":1256},"Display та Editor Templates","/csharp/aspnet/mvc/display-editor-templates","01.csharp/11.aspnet/11.mvc/10.display-editor-templates",{"title":1258,"path":1259,"stem":1260},"Валідація: IValidatableObject та FluentValidation","/csharp/aspnet/mvc/validation-advanced","01.csharp/11.aspnet/11.mvc/11.validation-advanced",{"title":1262,"path":1263,"stem":1264},"HTMX: інтерактивність через HTML-атрибути","/csharp/aspnet/mvc/htmx","01.csharp/11.aspnet/11.mvc/12.htmx",{"title":1266,"path":1267,"stem":1268},"HTMX у ASP.NET Core MVC: серверна інтеграція","/csharp/aspnet/mvc/ajax-htmx-mvc","01.csharp/11.aspnet/11.mvc/13.ajax-htmx-mvc",{"title":1270,"path":1271,"stem":1272},"Практичний проєкт: Каталог товарів з HTMX","/csharp/aspnet/mvc/htmx-project","01.csharp/11.aspnet/11.mvc/14.htmx-project",{"title":1274,"path":1275,"stem":1276},"Завантаження та обробка файлів","/csharp/aspnet/mvc/file-upload","01.csharp/11.aspnet/11.mvc/15.file-upload",{"title":1278,"path":1279,"stem":1280},"Глобалізація та Локалізація MVC","/csharp/aspnet/mvc/globalization-localization","01.csharp/11.aspnet/11.mvc/16.globalization-localization",{"title":1282,"path":1283,"stem":1284},"Підсумковий проєкт: Блог-платформа","/csharp/aspnet/mvc/mvc-project","01.csharp/11.aspnet/11.mvc/17.mvc-project",{"title":1286,"path":1287,"stem":1288},"План курсу: ASP.NET Core MVC","/csharp/aspnet/mvc/plan","01.csharp/11.aspnet/11.mvc/plan",{"title":1290,"path":1291,"stem":1292,"children":1293,"page":59},"Web Api","/csharp/aspnet/web-api","01.csharp/11.aspnet/12.web-api",[1294,1298,1302,1306,1310,1314,1318,1322,1326,1330,1334,1338,1342],{"title":1295,"path":1296,"stem":1297},"Від Minimal API до Controller-based API","/csharp/aspnet/web-api/from-minimal-api-to-controllers","01.csharp/11.aspnet/12.web-api/01.from-minimal-api-to-controllers",{"title":1299,"path":1300,"stem":1301},"ControllerBase, ActionResult\u003CT> та Response Types","/csharp/aspnet/web-api/controller-base-actionresult","01.csharp/11.aspnet/12.web-api/02.controller-base-actionresult",{"title":1303,"path":1304,"stem":1305},"Content Negotiation - JSON, XML та власні форматери","/csharp/aspnet/web-api/content-negotiation","01.csharp/11.aspnet/12.web-api/03.content-negotiation",{"title":1307,"path":1308,"stem":1309},"Версіонування API","/csharp/aspnet/web-api/api-versioning","01.csharp/11.aspnet/12.web-api/04.api-versioning",{"title":1311,"path":1312,"stem":1313},"ProblemDetails та структурована обробка помилок","/csharp/aspnet/web-api/problemdetails-error-handling","01.csharp/11.aspnet/12.web-api/05.problemdetails-error-handling",{"title":1315,"path":1316,"stem":1317},"Фільтри у Web API контексті","/csharp/aspnet/web-api/filters-for-api","01.csharp/11.aspnet/12.web-api/06.filters-for-api",{"title":1319,"path":1320,"stem":1321},"Пагінація, фільтрація та сортування","/csharp/aspnet/web-api/pagination-filtering-sorting","01.csharp/11.aspnet/12.web-api/07.pagination-filtering-sorting",{"title":1323,"path":1324,"stem":1325},"HATEOAS та Resource Expansion","/csharp/aspnet/web-api/hateoas-resource-expansion","01.csharp/11.aspnet/12.web-api/08.hateoas-resource-expansion",{"title":1327,"path":1328,"stem":1329},"Гібридна архітектура - Minimal API + Controllers","/csharp/aspnet/web-api/minimal-api-vs-controllers-hybrid","01.csharp/11.aspnet/12.web-api/09.minimal-api-vs-controllers-hybrid",{"title":1331,"path":1332,"stem":1333},"Документація API - Swashbuckle, NSwag та генерація клієнтів","/csharp/aspnet/web-api/api-documentation-generation","01.csharp/11.aspnet/12.web-api/10.api-documentation-generation",{"title":1335,"path":1336,"stem":1337},"Health Checks та моніторинг API","/csharp/aspnet/web-api/health-checks-monitoring","01.csharp/11.aspnet/12.web-api/11.health-checks-monitoring",{"title":1339,"path":1340,"stem":1341},"Підсумковий проєкт - Production-Ready REST API","/csharp/aspnet/web-api/web-api-project","01.csharp/11.aspnet/12.web-api/12.web-api-project",{"title":1343,"path":1344,"stem":1345},"План курсу: ASP.NET Core Web API (Controllers)","/csharp/aspnet/web-api/plan","01.csharp/11.aspnet/12.web-api/plan",{"title":1347,"icon":1348,"path":1349,"stem":1350,"children":1351,"page":59},"Desktop UI","i-lucide-app-window","/csharp/desktop-ui","01.csharp/12.desktop-ui",[1352,1356,1360,1364,1368,1372,1376,1380,1384,1388,1392,1396,1400,1404,1408,1412,1416,1420,1424,1428,1432,1436,1440,1444,1448,1452,1456,1460,1464,1468,1472,1476,1480,1484,1488,1492,1496,1500,1504,1508,1512,1516,1520,1524,1528,1532,1536,1540,1544,1548,1552,1556,1560,1564,1568,1572,1576,1580,1584,1588,1592,1596,1600,1604,1608,1612,1616,1620,1624,1628,1632],{"title":1353,"path":1354,"stem":1355},"Що таке десктопна розробка?","/csharp/desktop-ui/what-is-desktop-dev","01.csharp/12.desktop-ui/01.what-is-desktop-dev",{"title":1357,"path":1358,"stem":1359},"Архітектура WPF — як влаштований графічний інтерфейс","/csharp/desktop-ui/wpf-architecture","01.csharp/12.desktop-ui/02.wpf-architecture",{"title":1361,"path":1362,"stem":1363},"Перший WPF-проєкт — від нуля до вікна","/csharp/desktop-ui/first-wpf-app","01.csharp/12.desktop-ui/03.first-wpf-app",{"title":1365,"path":1366,"stem":1367},"Перший Avalonia-проєкт: WPF для всіх платформ","/csharp/desktop-ui/03a.first-avalonia-app","01.csharp/12.desktop-ui/03a.first-avalonia-app",{"title":1369,"path":1370,"stem":1371},"XAML: декларативний інтерфейс","/csharp/desktop-ui/xaml-basics","01.csharp/12.desktop-ui/04.xaml-basics",{"title":1373,"path":1374,"stem":1375},"Fluent UI у WPF — сучасний дизайн Windows 11","/csharp/desktop-ui/04a.wpf-fluent-ui","01.csharp/12.desktop-ui/04a.wpf-fluent-ui",{"title":1377,"path":1378,"stem":1379},"WPF UI — сучасна бібліотека Fluent контролів","/csharp/desktop-ui/04b.wpf-ui-library","01.csharp/12.desktop-ui/04b.wpf-ui-library",{"title":1381,"path":1382,"stem":1383},"HandyControl — велика бібліотека UI контролів для WPF","/csharp/desktop-ui/04c.handycontrol-library","01.csharp/12.desktop-ui/04c.handycontrol-library",{"title":1385,"path":1386,"stem":1387},"Простори імен та ресурси XAML","/csharp/desktop-ui/xaml-namespaces-resources","01.csharp/12.desktop-ui/05.xaml-namespaces-resources",{"title":1389,"path":1390,"stem":1391},"XAML в Avalonia: ключові відмінності від WPF","/csharp/desktop-ui/05a.avalonia-xaml-differences","01.csharp/12.desktop-ui/05a.avalonia-xaml-differences",{"title":1393,"path":1394,"stem":1395},"Розширення розмітки XAML (Markup Extensions)","/csharp/desktop-ui/xaml-markup-extensions","01.csharp/12.desktop-ui/06.xaml-markup-extensions",{"title":1397,"path":1398,"stem":1399},"Панелі Layout: StackPanel, WrapPanel, DockPanel","/csharp/desktop-ui/layout-panels-part1","01.csharp/12.desktop-ui/07.layout-panels-part1",{"title":1401,"path":1402,"stem":1403},"Grid, Canvas, UniformGrid","/csharp/desktop-ui/layout-panels-part2","01.csharp/12.desktop-ui/07.layout-panels-part2",{"title":1405,"path":1406,"stem":1407},"Просунуті техніки Layout","/csharp/desktop-ui/layout-advanced","01.csharp/12.desktop-ui/08.layout-advanced",{"title":1409,"path":1410,"stem":1411},"Адаптивний Layout та найкращі практики","/csharp/desktop-ui/layout-responsive","01.csharp/12.desktop-ui/09.layout-responsive",{"title":1413,"path":1414,"stem":1415},"Layout в Avalonia: відмінності та нові можливості","/csharp/desktop-ui/09a.layout-avalonia","01.csharp/12.desktop-ui/09a.layout-avalonia",{"title":1417,"path":1418,"stem":1419},"Button, Image, ProgressBar та інші базові контроли","/csharp/desktop-ui/basic-controls","01.csharp/12.desktop-ui/10.basic-controls",{"title":1421,"path":1422,"stem":1423},"Контроли в Avalonia: відмінності від WPF","/csharp/desktop-ui/10a.controls-avalonia","01.csharp/12.desktop-ui/10a.controls-avalonia",{"title":1425,"path":1426,"stem":1427},"Текстові контроли — TextBlock, TextBox, RichTextBox","/csharp/desktop-ui/text-controls","01.csharp/12.desktop-ui/11.text-controls",{"title":1429,"path":1430,"stem":1431},"Контроли вибору — CheckBox, RadioButton, ComboBox, ListBox, DatePicker","/csharp/desktop-ui/selection-controls","01.csharp/12.desktop-ui/12.selection-controls",{"title":1433,"path":1434,"stem":1435},"Content Model — GroupBox, Expander, TabControl, StatusBar","/csharp/desktop-ui/content-controls","01.csharp/12.desktop-ui/13.content-controls",{"title":1437,"path":1438,"stem":1439},"UI/UX принципи десктопних застосунків","/csharp/desktop-ui/13a.ui-ux-principles","01.csharp/12.desktop-ui/13a.ui-ux-principles",{"title":1441,"path":1442,"stem":1443},"Dependency Properties — Концепція та Value Resolution","/csharp/desktop-ui/dependency-properties-part1","01.csharp/12.desktop-ui/14.dependency-properties-part1",{"title":1445,"path":1446,"stem":1447},"Avalonia Property System — StyledProperty та DirectProperty","/csharp/desktop-ui/14a.avalonia-property-system","01.csharp/12.desktop-ui/14a.avalonia-property-system",{"title":1449,"path":1450,"stem":1451},"Attached Properties — Властивості без меж","/csharp/desktop-ui/attached-properties","01.csharp/12.desktop-ui/15.attached-properties",{"title":1453,"path":1454,"stem":1455},"Routed Events — Маршрутизація подій у WPF","/csharp/desktop-ui/routed-events","01.csharp/12.desktop-ui/16.routed-events",{"title":1457,"path":1458,"stem":1459},"Data Binding — Від Code-Behind до Декларативності","/csharp/desktop-ui/data-binding-basics-part1","01.csharp/12.desktop-ui/17.data-binding-basics-part1",{"title":1461,"path":1462,"stem":1463},"INotifyPropertyChanged — Живе оновлення UI","/csharp/desktop-ui/data-binding-basics-part2","01.csharp/12.desktop-ui/17.data-binding-basics-part2",{"title":1465,"path":1466,"stem":1467},"Compiled Bindings в Avalonia — Безпека на етапі компіляції","/csharp/desktop-ui/17a.avalonia-compiled-bindings","01.csharp/12.desktop-ui/17a.avalonia-compiled-bindings",{"title":1469,"path":1470,"stem":1471},"Просунутий Data Binding — ElementName, RelativeSource, MultiBinding","/csharp/desktop-ui/data-binding-advanced","01.csharp/12.desktop-ui/18.data-binding-advanced",{"title":1473,"path":1474,"stem":1475},"Value Converters — Перетворення типів даних у Data Binding","/csharp/desktop-ui/value-converters","01.csharp/12.desktop-ui/19.value-converters",{"title":1477,"path":1478,"stem":1479},"Data Templates — Візуалізація об'єктів у WPF","/csharp/desktop-ui/data-templates","01.csharp/12.desktop-ui/20.data-templates",{"title":1481,"path":1482,"stem":1483},"Collections Binding Part 1 — ObservableCollection та ItemsControl","/csharp/desktop-ui/collections-binding-part1","01.csharp/12.desktop-ui/21.collections-binding-part1",{"title":1485,"path":1486,"stem":1487},"Collections Binding Part 2 — ICollectionView, Filtering, Sorting та Virtualization","/csharp/desktop-ui/collections-binding-part2","01.csharp/12.desktop-ui/21.collections-binding-part2",{"title":1489,"path":1490,"stem":1491},"MVVM Pattern — Від Spaghetti Code до архітектури","/csharp/desktop-ui/mvvm-pattern","01.csharp/12.desktop-ui/22.mvvm-pattern",{"title":1493,"path":1494,"stem":1495},"ViewModel Implementation — Від BaseViewModel до валідації","/csharp/desktop-ui/viewmodel-implementation","01.csharp/12.desktop-ui/23.viewmodel-implementation",{"title":1497,"path":1498,"stem":1499},"Commands — Від event handlers до декларативних команд","/csharp/desktop-ui/commands","01.csharp/12.desktop-ui/24.commands",{"title":1501,"path":1502,"stem":1503},"MVVM Toolkit — MVVM без boilerplate через Source Generators","/csharp/desktop-ui/mvvm-toolkit","01.csharp/12.desktop-ui/25.mvvm-toolkit",{"title":1505,"path":1506,"stem":1507},"Messenger Pattern — Комунікація між ViewModel без прямих посилань","/csharp/desktop-ui/messenger-pattern","01.csharp/12.desktop-ui/26.messenger-pattern",{"title":1509,"path":1510,"stem":1511},"Стилі WPF — CSS для десктопу","/csharp/desktop-ui/styles-basics","01.csharp/12.desktop-ui/27.styles-basics",{"title":1513,"path":1514,"stem":1515},"CSS-like стилі Avalonia","/csharp/desktop-ui/27a.avalonia-css-styling","01.csharp/12.desktop-ui/27a.avalonia-css-styling",{"title":1517,"path":1518,"stem":1519},"Control Templates — Частина 1. Концепція та TemplateBinding","/csharp/desktop-ui/control-templates-part1","01.csharp/12.desktop-ui/28.control-templates-part1",{"title":1521,"path":1522,"stem":1523},"Control Templates — Частина 2. Named Parts та ContentPresenter","/csharp/desktop-ui/control-templates-part2","01.csharp/12.desktop-ui/28.control-templates-part2",{"title":1525,"path":1526,"stem":1527},"Control Themes в Avalonia — нова ера стилізації","/csharp/desktop-ui/28a.avalonia-control-themes","01.csharp/12.desktop-ui/28a.avalonia-control-themes",{"title":1529,"path":1530,"stem":1531},"Triggers та Visual State Manager у WPF","/csharp/desktop-ui/triggers-visual-states","01.csharp/12.desktop-ui/29.triggers-visual-states",{"title":1533,"path":1534,"stem":1535},"Pseudo-classes в Avalonia — замість WPF Triggers","/csharp/desktop-ui/29a.avalonia-pseudo-classes","01.csharp/12.desktop-ui/29a.avalonia-pseudo-classes",{"title":1537,"path":1538,"stem":1539},"Теми та ресурсні словники у WPF","/csharp/desktop-ui/resources-themes","01.csharp/12.desktop-ui/30.resources-themes",{"title":1541,"path":1542,"stem":1543},"Avalonia Themes — Fluent Design та система тематизації","/csharp/desktop-ui/30a.avalonia-themes-fluent","01.csharp/12.desktop-ui/30a.avalonia-themes-fluent",{"title":1545,"path":1546,"stem":1547},"Контроли колекцій — глибоке занурення","/csharp/desktop-ui/collection-controls","01.csharp/12.desktop-ui/31.collection-controls",{"title":1549,"path":1550,"stem":1551},"DataGrid — колонки та базове відображення","/csharp/desktop-ui/datagrid-part1","01.csharp/12.desktop-ui/32.datagrid-part1",{"title":1553,"path":1554,"stem":1555},"DataGrid — сортування, фільтрація, редагування","/csharp/desktop-ui/datagrid-part2","01.csharp/12.desktop-ui/32.datagrid-part2",{"title":1557,"path":1558,"stem":1559},"TreeView та GridView","/csharp/desktop-ui/treeview-listview","01.csharp/12.desktop-ui/33.treeview-listview",{"title":1561,"path":1562,"stem":1563},"Меню, Toolbar, ContextMenu, StatusBar","/csharp/desktop-ui/menus-toolbars","01.csharp/12.desktop-ui/34.menus-toolbars",{"title":1565,"path":1566,"stem":1567},"Навігація та керування вікнами. Частина 1: вікна та сторінки","/csharp/desktop-ui/navigation-windows-part1","01.csharp/12.desktop-ui/35.navigation-windows-part1",{"title":1569,"path":1570,"stem":1571},"Навігація та керування вікнами. Частина 2: MVVM-навігація","/csharp/desktop-ui/navigation-windows-part2","01.csharp/12.desktop-ui/35.navigation-windows-part2",{"title":1573,"path":1574,"stem":1575},"Avalonia — Навігація та діалоги","/csharp/desktop-ui/35a.avalonia-navigation-dialogs","01.csharp/12.desktop-ui/35a.avalonia-navigation-dialogs",{"title":1577,"path":1578,"stem":1579},"Діалоги та File Pickers у WPF","/csharp/desktop-ui/dialogs-file-pickers","01.csharp/12.desktop-ui/36.dialogs-file-pickers",{"title":1581,"path":1582,"stem":1583},"UserControl: компонентний підхід у WPF","/csharp/desktop-ui/user-controls","01.csharp/12.desktop-ui/37.user-controls",{"title":1585,"path":1586,"stem":1587},"Custom Controls: Lookless Controls у WPF","/csharp/desktop-ui/custom-controls","01.csharp/12.desktop-ui/38.custom-controls",{"title":1589,"path":1590,"stem":1591},"Avalonia TemplatedControl — Lookless Controls","/csharp/desktop-ui/38a.avalonia-templated-controls","01.csharp/12.desktop-ui/38a.avalonia-templated-controls",{"title":1593,"path":1594,"stem":1595},"Анімації у WPF: Storyboard та Easing Functions","/csharp/desktop-ui/animations-transitions","01.csharp/12.desktop-ui/39.animations-transitions",{"title":1597,"path":1598,"stem":1599},"Анімації в Avalonia","/csharp/desktop-ui/39a.avalonia-animations","01.csharp/12.desktop-ui/39a.avalonia-animations",{"title":1601,"path":1602,"stem":1603},"2D Графіка та Мультимедіа у WPF","/csharp/desktop-ui/media-graphics","01.csharp/12.desktop-ui/40.media-graphics",{"title":1605,"path":1606,"stem":1607},"Dependency Injection у WPF та Avalonia","/csharp/desktop-ui/di-integration","01.csharp/12.desktop-ui/41.di-integration",{"title":1609,"path":1610,"stem":1611},"SQLite та EF Core у десктопних додатках","/csharp/desktop-ui/data-persistence-part1","01.csharp/12.desktop-ui/42.data-persistence-part1",{"title":1613,"path":1614,"stem":1615},"Repository Pattern та Unit of Work","/csharp/desktop-ui/data-persistence-part2","01.csharp/12.desktop-ui/43.data-persistence-part2",{"title":1617,"path":1618,"stem":1619},"Тестування ViewModels","/csharp/desktop-ui/viewmodel-testing","01.csharp/12.desktop-ui/44.viewmodel-testing",{"title":1621,"path":1622,"stem":1623},"Avalonia Headless Testing — тестування UI без вікон","/csharp/desktop-ui/44a.avalonia-headless-testing","01.csharp/12.desktop-ui/44a.avalonia-headless-testing",{"title":1625,"path":1626,"stem":1627},"Кросплатформна розробка з Avalonia","/csharp/desktop-ui/avalonia-cross-platform","01.csharp/12.desktop-ui/45.avalonia-cross-platform",{"title":1629,"path":1630,"stem":1631},"Пакування та розгортання Avalonia додатків","/csharp/desktop-ui/avalonia-packaging-deployment","01.csharp/12.desktop-ui/46.avalonia-packaging-deployment",{"title":1633,"path":1634,"stem":1635},"Розгортання WPF застосунків","/csharp/desktop-ui/wpf-packaging-deployment","01.csharp/12.desktop-ui/47.wpf-packaging-deployment",{"title":1637,"path":1638,"stem":1639},"C# & .NET: The Ultimate Roadmap","/csharp/roadmap","01.csharp/roadmap",{"title":1641,"icon":1642,"path":1643,"stem":1644,"children":1645,"page":59},"C++","i-devicon-cplusplus","/cpp","02.cpp",[1646,1650,1654,1658,1662,1666,1670,1674,1678,1681,1685,1689,1693,1697,1701,1705,1709,1713,1717,1721,1725,1729,1733,1737,1741,1745,1749,1753,1757,1761],{"title":1647,"path":1648,"stem":1649},"Вступ у програмування та алгоритми","/cpp/intro-algorithms","02.cpp/01.intro-algorithms",{"title":1651,"path":1652,"stem":1653},"Code Style: угоди про оформлення коду","/cpp/code-style","02.cpp/02.code-style",{"title":1655,"path":1656,"stem":1657},"Середовище розробки та перший 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типу void","/cpp/void-pointers","02.cpp/20.void-pointers",{"title":1726,"path":1727,"stem":1728},"Вказівники на вказівники","/cpp/pointers-to-pointers","02.cpp/21.pointers-to-pointers",{"title":1730,"path":1731,"stem":1732},"Оператор доступу до членів через вказівник (->)","/cpp/member-access-operator","02.cpp/22.member-access-operator",{"title":1734,"path":1735,"stem":1736},"Цикл for-each (Range-based for)","/cpp/foreach-loop","02.cpp/23.foreach-loop",{"title":1738,"path":1739,"stem":1740},"Вказівники на функції","/cpp/function-pointers","02.cpp/24.function-pointers",{"title":1742,"path":1743,"stem":1744},"Лямбда-вирази","/cpp/lambdas","02.cpp/25.lambdas",{"title":1746,"path":1747,"stem":1748},"Лямбда-захоплення","/cpp/lambda-captures","02.cpp/26.lambda-captures",{"title":1750,"path":1751,"stem":1752},"Еліпсис","/cpp/ellipsis","02.cpp/27.ellipsis",{"title":1754,"path":1755,"stem":1756},"Аргументи командного рядка","/cpp/command-line-arguments","02.cpp/28.command-line-arguments",{"title":1758,"path":1759,"stem":1760},"Перерахування (enum)","/cpp/enum","02.cpp/29.enum",{"title":1762,"path":1763,"stem":1764},"План навчання: Курс C++ — Продовження (Статті 29–60+)","/cpp/curriculum-plan","02.cpp/curriculum-plan",{"title":1766,"icon":1767,"path":1768,"stem":1769,"children":1770,"page":59},"JavaScript","i-devicon-javascript","/javascript","03.javascript",[1771,1797,1851,1873,2177,2215],{"title":1772,"icon":1773,"path":1774,"stem":1775,"children":1776,"page":59},"Events","i-lucide-mouse-pointer-click","/javascript/events","03.javascript/01.events",[1777,1781,1785,1789,1793],{"title":1778,"path":1779,"stem":1780},"Вступ до подій браузера","/javascript/events/intro","03.javascript/01.events/01.intro",{"title":1782,"path":1783,"stem":1784},"Бульбашковий механізм (Bubbling) та занурення (Capturing)","/javascript/events/bubbling-capturing","03.javascript/01.events/02.bubbling-capturing",{"title":1786,"path":1787,"stem":1788},"Делегування подій (Event Delegation)","/javascript/events/delegate-events","03.javascript/01.events/03.delegate-events",{"title":1790,"path":1791,"stem":1792},"Типові дії браузера та preventDefault()","/javascript/events/prevent-default","03.javascript/01.events/04.prevent-default",{"title":1794,"path":1795,"stem":1796},"Запуск користувацьких подій (Custom Events)","/javascript/events/custom-events","03.javascript/01.events/05.custom-events",{"title":1798,"icon":1799,"path":1800,"stem":1801,"children":1802,"page":59},"Network","i-lucide-globe","/javascript/network","03.javascript/02.network",[1803,1807,1811,1815,1819,1823,1827,1831,1835,1839,1843,1847],{"title":1804,"path":1805,"stem":1806},"Fetch API - Сучасний підхід до HTTP-запитів","/javascript/network/01-fetch-api","03.javascript/02.network/01-fetch-api",{"title":1808,"path":1809,"stem":1810},"FormData - Робота з формами та файлами","/javascript/network/02-formdata","03.javascript/02.network/02-formdata",{"title":1812,"path":1813,"stem":1814},"Відстеження прогресу завантаження","/javascript/network/03-download-progress","03.javascript/02.network/03-download-progress",{"title":1816,"path":1817,"stem":1818},"Переривання fetch-запитів","/javascript/network/04-abort-requests","03.javascript/02.network/04-abort-requests",{"title":1820,"path":1821,"stem":1822},"CORS - Запити між різними джерелами","/javascript/network/05-cors","03.javascript/02.network/05-cors",{"title":1824,"path":1825,"stem":1826},"Fetch API - Повний довідник опцій","/javascript/network/06-fetch-options","03.javascript/02.network/06-fetch-options",{"title":1828,"path":1829,"stem":1830},"URL Objects - Робота з посиланнями","/javascript/network/07-url-objects","03.javascript/02.network/07-url-objects",{"title":1832,"path":1833,"stem":1834},"XMLHttpRequest - AJAX та низькорівневі запити","/javascript/network/08-xmlhttprequest","03.javascript/02.network/08-xmlhttprequest",{"title":1836,"path":1837,"stem":1838},"Відновлюване завантаження файлів","/javascript/network/09-resumable-upload","03.javascript/02.network/09-resumable-upload",{"title":1840,"path":1841,"stem":1842},"Cookies, document.cookie та світ після \"Cookiepocalypse\"","/javascript/network/10-cookies","03.javascript/02.network/10-cookies",{"title":1844,"path":1845,"stem":1846},"js-cookie: Керування Cookies без Болю","/javascript/network/11-js-cookie","03.javascript/02.network/11-js-cookie",{"title":1848,"path":1849,"stem":1850},"Axios: Потужний HTTP-клієнт для JavaScript","/javascript/network/12-axios","03.javascript/02.network/12-axios",{"title":1852,"icon":1853,"path":1854,"stem":1855,"children":1856,"page":59},"Bom","i-lucide-monitor","/javascript/bom","03.javascript/03.bom",[1857,1861,1865,1869],{"title":1858,"path":1859,"stem":1860},"LocalStorage, SessionStorage та patterns збереження даних","/javascript/bom/01-localstorage","03.javascript/03.bom/01-localstorage",{"title":1862,"path":1863,"stem":1864},"Location Object - Керування адресою сторінки","/javascript/bom/02-location-object","03.javascript/03.bom/02-location-object",{"title":1866,"path":1867,"stem":1868},"History API - Керування історією браузера","/javascript/bom/03-history-api","03.javascript/03.bom/03-history-api",{"title":1870,"path":1871,"stem":1872},"Navigator Object - Ідентифікація та Можливості Пристрою","/javascript/bom/04-navigator-object","03.javascript/03.bom/04-navigator-object",{"title":1874,"icon":1875,"path":1876,"stem":1877,"children":1878},"React","i-devicon-react","/javascript/react","03.javascript/04.react/index",[1879,1880,1884,1888,1892,1896,1959,1994,2146],{"title":1874,"path":1876,"stem":1877},{"title":1881,"path":1882,"stem":1883},"Робота з Формами в React","/javascript/react/react-forms","03.javascript/04.react/01.react-forms",{"title":1885,"path":1886,"stem":1887},"React Hook Form: Професійна Робота з Формами","/javascript/react/react-hook-form","03.javascript/04.react/02.react-hook-form",{"title":1889,"path":1890,"stem":1891},"React Hook Form: Глибоке Розуміння Архітектури та Оптимізації","/javascript/react/react-hook-form-new","03.javascript/04.react/02.react-hook-form-new",{"title":1893,"path":1894,"stem":1895},"Axios та React: Професійна Архітектура Запитів","/javascript/react/data-fetching-axios","03.javascript/04.react/03.data-fetching-axios",{"title":1897,"icon":132,"path":1898,"stem":1899,"children":1900},"Tanstack Query","/javascript/react/tanstack-query","03.javascript/04.react/04.tanstack-query/index",[1901,1903,1907,1911,1915,1919,1923,1927,1931,1935,1939,1943,1947,1951,1955],{"title":1902,"path":1898,"stem":1899},"TanStack Query: Майстерність Керування Станом Сервера",{"title":1904,"path":1905,"stem":1906},"Парадигма Server State: Чому useEffect недостатньо","/javascript/react/tanstack-query/server-state-paradigm","03.javascript/04.react/04.tanstack-query/01.server-state-paradigm",{"title":1908,"path":1909,"stem":1910},"Встановлення та Налаштування: Фундамент","/javascript/react/tanstack-query/installation-and-devtools","03.javascript/04.react/04.tanstack-query/02.installation-and-devtools",{"title":1912,"path":1913,"stem":1914},"Основи Запитів та Магія Ключів","/javascript/react/tanstack-query/query-basics-and-keys","03.javascript/04.react/04.tanstack-query/03.query-basics-and-keys",{"title":1916,"path":1917,"stem":1918},"Синхронізація Даних: Життєвий Цикл Запиту","/javascript/react/tanstack-query/data-synchronization","03.javascript/04.react/04.tanstack-query/04.data-synchronization",{"title":1920,"path":1921,"stem":1922},"Мутації та Інвалідація: Зміна Даних","/javascript/react/tanstack-query/mutations-and-invalidation","03.javascript/04.react/04.tanstack-query/05.mutations-and-invalidation",{"title":1924,"path":1925,"stem":1926},"Оптимістичні Оновлення: Швидше за Світло","/javascript/react/tanstack-query/optimistic-updates","03.javascript/04.react/04.tanstack-query/06.optimistic-updates",{"title":1928,"path":1929,"stem":1930},"Пагінація та Infinite Scroll","/javascript/react/tanstack-query/pagination-and-load-more","03.javascript/04.react/04.tanstack-query/07.pagination-and-load-more",{"title":1932,"path":1933,"stem":1934},"Просунуті Патерни та Оптимізація","/javascript/react/tanstack-query/advanced-patterns","03.javascript/04.react/04.tanstack-query/08.advanced-patterns",{"title":1936,"path":1937,"stem":1938},"Архітектура та Best Practices","/javascript/react/tanstack-query/architecture-and-best-practices","03.javascript/04.react/04.tanstack-query/09.architecture-and-best-practices",{"title":1940,"path":1941,"stem":1942},"Server-Side Rendering (SSR) та Гідратація","/javascript/react/tanstack-query/server-side-rendering","03.javascript/04.react/04.tanstack-query/10.server-side-rendering",{"title":1944,"path":1945,"stem":1946},"Стратегії Тестування","/javascript/react/tanstack-query/testing-strategies","03.javascript/04.react/04.tanstack-query/11.testing-strategies",{"title":1948,"path":1949,"stem":1950},"Аутентифікація та Обробка Помилок","/javascript/react/tanstack-query/authentication-and-errors","03.javascript/04.react/04.tanstack-query/12.authentication-and-errors",{"title":1952,"path":1953,"stem":1954},"React Suspense та Майбутнє","/javascript/react/tanstack-query/react-suspense","03.javascript/04.react/04.tanstack-query/13.react-suspense",{"title":1956,"path":1957,"stem":1958},"Глибоке Занурення в Продуктивність","/javascript/react/tanstack-query/performance-deep-dive","03.javascript/04.react/04.tanstack-query/14.performance-deep-dive",{"title":1960,"icon":1875,"path":1961,"stem":1962,"children":1963},"React Router","/javascript/react/react-router","03.javascript/04.react/05.react-router/index",[1964,1966,1970,1974,1978,1982,1986,1990],{"title":1965,"path":1961,"stem":1962},"React Router: Навігаційна система сучасного вебу",{"title":1967,"path":1968,"stem":1969},"Налаштування та Базовий Роутинг","/javascript/react/react-router/setup-and-basic-routing","03.javascript/04.react/05.react-router/01.setup-and-basic-routing",{"title":1971,"path":1972,"stem":1973},"Динамічна Навігація","/javascript/react/react-router/navigation-and-links","03.javascript/04.react/05.react-router/02.navigation-and-links",{"title":1975,"path":1976,"stem":1977},"Вкладені Маршрути та Макети","/javascript/react/react-router/nested-routes-and-layouts","03.javascript/04.react/05.react-router/03.nested-routes-and-layouts",{"title":1979,"path":1980,"stem":1981},"Динамічні Маршрути та Параметри","/javascript/react/react-router/dynamic-routing","03.javascript/04.react/05.react-router/04.dynamic-routing",{"title":1983,"path":1984,"stem":1985},"Data APIs: Loaders та Actions","/javascript/react/react-router/data-loading","03.javascript/04.react/05.react-router/05.data-loading",{"title":1987,"path":1988,"stem":1989},"Просунуті Патерни","/javascript/react/react-router/advanced-patterns","03.javascript/04.react/05.react-router/06.advanced-patterns",{"title":1991,"path":1992,"stem":1993},"Legacy Routing: Компонентний підхід","/javascript/react/react-router/legacy-routing","03.javascript/04.react/05.react-router/07.legacy-routing",{"title":1995,"icon":132,"path":1996,"stem":1997,"children":1998},"Redux","/javascript/react/redux","03.javascript/04.react/06.redux/index",[1999,2001,2017,2046,2055,2076,2092,2121],{"title":2000,"path":1996,"stem":1997},"Redux: Еволюція управління станом",{"title":14,"icon":15,"path":2002,"stem":2003,"children":2004,"page":59},"/javascript/react/redux/fundamentals","03.javascript/04.react/06.redux/01.fundamentals",[2005,2009,2013],{"title":2006,"path":2007,"stem":2008},"Вступ до State Management","/javascript/react/redux/fundamentals/intro-state-management","03.javascript/04.react/06.redux/01.fundamentals/01.intro-state-management",{"title":2010,"path":2011,"stem":2012},"Філософія Redux та Три Принципи","/javascript/react/redux/fundamentals/redux-philosophy","03.javascript/04.react/06.redux/01.fundamentals/02.redux-philosophy",{"title":2014,"path":2015,"stem":2016},"Чисті функції та Іммутабельність","/javascript/react/redux/fundamentals/pure-functions-immutability","03.javascript/04.react/06.redux/01.fundamentals/03.pure-functions-immutability",{"title":2018,"icon":132,"path":2019,"stem":2020,"children":2021,"page":59},"Classic Redux","/javascript/react/redux/classic-redux","03.javascript/04.react/06.redux/02.classic-redux",[2022,2026,2030,2034,2038,2042],{"title":2023,"path":2024,"stem":2025},"Створення Store (Classic Redux)","/javascript/react/redux/classic-redux/store-setup","03.javascript/04.react/06.redux/02.classic-redux/01.store-setup",{"title":2027,"path":2028,"stem":2029},"Actions, Constants та Action Creators","/javascript/react/redux/classic-redux/actions-constants","03.javascript/04.react/06.redux/02.classic-redux/02.actions-constants",{"title":2031,"path":2032,"stem":2033},"Логіка Reducers","/javascript/react/redux/classic-redux/reducers","03.javascript/04.react/06.redux/02.classic-redux/03.reducers",{"title":2035,"path":2036,"stem":2037},"Комбінування Reducers (Root Reducer)","/javascript/react/redux/classic-redux/data-flow","03.javascript/04.react/06.redux/02.classic-redux/04.data-flow",{"title":2039,"path":2040,"stem":2041},"Підключення до React (React-Redux)","/javascript/react/redux/classic-redux/react-redux-connection","03.javascript/04.react/06.redux/02.classic-redux/05.react-redux-connection",{"title":2043,"path":2044,"stem":2045},"Middleware та Асинхронність (Redux Thunk)","/javascript/react/redux/classic-redux/middleware-thunk","03.javascript/04.react/06.redux/02.classic-redux/06.middleware-thunk",{"title":2047,"icon":132,"path":2048,"stem":2049,"children":2050,"page":59},"Transition To Rtk","/javascript/react/redux/transition-to-rtk","03.javascript/04.react/06.redux/03.transition-to-rtk",[2051],{"title":2052,"path":2053,"stem":2054},"Проблеми класичного Redux","/javascript/react/redux/transition-to-rtk/problems-with-classic","03.javascript/04.react/06.redux/03.transition-to-rtk/01.problems-with-classic",{"title":2056,"icon":132,"path":2057,"stem":2058,"children":2059,"page":59},"Redux Toolkit","/javascript/react/redux/redux-toolkit","03.javascript/04.react/06.redux/04.redux-toolkit",[2060,2064,2068,2072],{"title":2061,"path":2062,"stem":2063},"Налаштування Store з 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дружити","/java/pr2/impedance-mismatch","04.java/pr2/09.impedance-mismatch",{"title":2285,"path":2286,"stem":2287},"JDBC: Перший контакт із базою даних","/java/pr2/jdbc-fundamentals","04.java/pr2/10.jdbc-fundamentals",{"title":2289,"path":2290,"stem":2291},"Якість коду: Spotless, SpotBugs та SonarQube","/java/pr2/10a.code-quality","04.java/pr2/10a.code-quality",{"title":2293,"path":2294,"stem":2295},"Connection Pool: Патерн Object Pool для JDBC-з'єднань","/java/pr2/connection-pool","04.java/pr2/11.connection-pool",{"title":2297,"path":2298,"stem":2299},"Row Data Gateway: Об'єкт як обгортка рядка таблиці","/java/pr2/row-data-gateway","04.java/pr2/12.row-data-gateway",{"title":2301,"path":2302,"stem":2303},"Table Data Gateway: Фасад таблиці як архітектурний відступ","/java/pr2/table-data-gateway","04.java/pr2/13.table-data-gateway",{"title":2305,"path":2306,"stem":2307},"Repository + Data Mapper: Правильна шарова архітектура з JDBC","/java/pr2/repository-data-mapper","04.java/pr2/14.repository-data-mapper",{"title":2309,"path":2310,"stem":2311},"Identity Map: Кешування сутностей у рамках сесії","/java/pr2/identity-map","04.java/pr2/15.identity-map",{"title":2313,"path":2314,"stem":2315},"Unit of Work: Відстеження змін і координація JDBC-транзакцій","/java/pr2/unit-of-work","04.java/pr2/16.unit-of-work",{"title":2317,"path":2318,"stem":2319},"Strategy: Замінювані SQL-стратегії для підтримки різних СУБД","/java/pr2/strategy-sql","04.java/pr2/17.strategy-sql",{"title":2321,"path":2322,"stem":2323},"Proxy: Lazy Loading для One-To-Many колекцій","/java/pr2/proxy-lazy-loading","04.java/pr2/18.proxy-lazy-loading",{"title":2325,"path":2326,"stem":2327},"Generic Repository через Java Reflection: анотації та динамічний SQL","/java/pr2/generic-repository-reflection","04.java/pr2/19.generic-repository-reflection",{"title":2329,"path":2330,"stem":2331},"Specification Pattern: Композиція бізнес-правил для складних 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БД","/databases/intro/logical-schema","06.databases/01.intro/04.logical-schema",{"title":2381,"path":2382,"stem":2383},"Класифікація таблиць","/databases/intro/table-classification","06.databases/01.intro/05.table-classification",{"title":2385,"path":2386,"stem":2387},"PlantUML для баз даних","/databases/intro/plantuml-diagrams","06.databases/01.intro/06.plantuml-diagrams",{"title":2389,"icon":2354,"path":2390,"stem":2391,"children":2392,"page":59},"MS SQL Server Start","/databases/ms-sql-server-start","06.databases/02.ms-sql-server-start",[2393,2397,2403,2407],{"title":2394,"path":2395,"stem":2396},"Типи даних у MS SQL Server","/databases/ms-sql-server-start/data-types","06.databases/02.ms-sql-server-start/01.data-types",{"title":2398,"path":2399,"stem":2400,"children":2401},"Індекси у MS SQL 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TABLE)","/databases/sql/ddl-create-table","06.databases/03.sql/01.ddl-create-table",{"title":2425,"path":2426,"stem":2427},"DDL - Зміна та видалення таблиць (ALTER, DROP)","/databases/sql/ddl-alter-drop-table","06.databases/03.sql/02.ddl-alter-drop-table",{"title":2429,"path":2430,"stem":2431},"SELECT запити - Основи","/databases/sql/select-queries-fundamentals","06.databases/03.sql/03.select-queries-fundamentals",{"title":2433,"path":2434,"stem":2435},"SELECT запити - Розширені можливості","/databases/sql/select-queries-advanced","06.databases/03.sql/04.select-queries-advanced",{"title":2437,"path":2438,"stem":2439},"INSERT запити - Додавання даних","/databases/sql/insert-queries","06.databases/03.sql/05.insert-queries",{"title":2441,"path":2442,"stem":2443},"UPDATE та DELETE запити","/databases/sql/update-delete-queries","06.databases/03.sql/06.update-delete-queries",{"title":2445,"path":2446,"stem":2447},"Транзакції в SQL","/databases/sql/transactions","06.databases/03.sql/07.transactions",{"title":2449,"icon":2354,"path":2450,"stem":2451,"children":2452,"page":59},"Multi Table Databases","/databases/multi-table-databases","06.databases/04.multi-table-databases",[2453,2457,2461,2465,2469,2473],{"title":2454,"path":2455,"stem":2456},"Зв'язки та нормалізація БД","/databases/multi-table-databases/relationships-and-normalization","06.databases/04.multi-table-databases/00.relationships-and-normalization",{"title":2458,"path":2459,"stem":2460},"INNER JOIN - З'єднання таблиць","/databases/multi-table-databases/inner-join","06.databases/04.multi-table-databases/01.inner-join",{"title":2462,"path":2463,"stem":2464},"OUTER JOINs - LEFT, RIGHT, FULL","/databases/multi-table-databases/outer-joins","06.databases/04.multi-table-databases/02.outer-joins",{"title":2466,"path":2467,"stem":2468},"CROSS та SELF JOINs","/databases/multi-table-databases/cross-self-joins","06.databases/04.multi-table-databases/03.cross-self-joins",{"title":2470,"path":2471,"stem":2472},"Підзапити (Subqueries)","/databases/multi-table-databases/subqueries","06.databases/04.multi-table-databases/04.subqueries",{"title":2474,"path":2475,"stem":2476},"Агрегації з JOIN","/databases/multi-table-databases/aggregations-with-joins","06.databases/04.multi-table-databases/05.aggregations-with-joins",{"title":2478,"icon":2479,"path":2480,"stem":2481,"children":2482,"page":59},"Aggregate Functions","i-lucide-calculator","/databases/aggregate-functions","06.databases/05.aggregate-functions",[2483,2487,2491],{"title":2484,"path":2485,"stem":2486},"Функції агрегування в MS SQL Server","/databases/aggregate-functions/introduction-aggregate-functions","06.databases/05.aggregate-functions/01.introduction-aggregate-functions",{"title":2488,"path":2489,"stem":2490},"Групування даних в MS SQL Server","/databases/aggregate-functions/grouping-data","06.databases/05.aggregate-functions/02.grouping-data",{"title":2492,"path":2493,"stem":2494},"Підзапити з агрегатними функціями","/databases/aggregate-functions/subqueries-aggregates","06.databases/05.aggregate-functions/03.subqueries-aggregates",{"title":2496,"icon":2497,"path":2498,"stem":2499,"children":2500,"page":59},"Тригери та зберігаємі процедури","i-lucide-database-zap","/databases/triggers-stored-procedures","06.databases/07.triggers-stored-procedures",[2501,2505,2509,2513,2517,2521,2525],{"title":2502,"path":2503,"stem":2504},"DML-тригери","/databases/triggers-stored-procedures/dml-triggers","06.databases/07.triggers-stored-procedures/01.dml-triggers",{"title":2506,"path":2507,"stem":2508},"DDL-тригери","/databases/triggers-stored-procedures/ddl-triggers","06.databases/07.triggers-stored-procedures/02.ddl-triggers",{"title":2510,"path":2511,"stem":2512},"Transact-SQL розширення","/databases/triggers-stored-procedures/transact-sql-extensions","06.databases/07.triggers-stored-procedures/03.transact-sql-extensions",{"title":2514,"path":2515,"stem":2516},"Транзакції","/databases/triggers-stored-procedures/transactions","06.databases/07.triggers-stored-procedures/04.transactions",{"title":2518,"path":2519,"stem":2520},"Зберігаємі процедури","/databases/triggers-stored-procedures/stored-procedures","06.databases/07.triggers-stored-procedures/05.stored-procedures",{"title":2522,"path":2523,"stem":2524},"Користувацькі функції","/databases/triggers-stored-procedures/user-defined-functions","06.databases/07.triggers-stored-procedures/06.user-defined-functions",{"title":2526,"path":2527,"stem":2528},"Безпека баз даних","/databases/triggers-stored-procedures/security","06.databases/07.triggers-stored-procedures/08.security",{"title":2526,"icon":793,"path":2530,"stem":2531,"children":2532,"page":59},"/databases/security","06.databases/08.security",[2533,2537],{"title":2534,"path":2535,"stem":2536},"Вступ до безпеки баз даних","/databases/security/introduction","06.databases/08.security/01.introduction",{"title":2538,"path":2539,"stem":2540},"Системні представлення та метадані","/databases/security/system-views","06.databases/08.security/02.system-views",{"title":2542,"icon":2543,"path":2544,"stem":2545,"children":2546,"page":59},"Резервне копіювання та відновлення","i-lucide-database-backup","/databases/backup-recovery","06.databases/09.backup-recovery",[2547],{"title":2542,"path":2548,"stem":2549},"/databases/backup-recovery/backup-restore","06.databases/09.backup-recovery/01.backup-restore",{"title":2551,"icon":2552,"path":2553,"stem":2554,"children":2555,"page":59},"Повнотекстовий пошук","i-lucide-search","/databases/full-text-search","06.databases/10.full-text-search",[2556],{"title":2551,"path":2557,"stem":2558},"/databases/full-text-search/full-text-search","06.databases/10.full-text-search/01.full-text-search",{"title":2560,"icon":2561,"path":2562,"stem":2563,"children":2564,"page":59},"Tools","i-lucide-wrench","/tools","07.tools",[2565],{"title":2566,"icon":2567,"path":2568,"stem":2569,"children":2570},"Docker","i-simple-icons-docker","/tools/docker","07.tools/01.docker/index",[2571,2573,2577,2581,2585,2589,2593,2597,2601,2605,2609,2613,2617,2621,2625,2629,2633,2637],{"title":2572,"path":2568,"stem":2569},"Docker: від нуля до production",{"title":2574,"path":2575,"stem":2576},"Контейнеризація — від проблеми до рішення","/tools/docker/containerization-concept","07.tools/01.docker/01.containerization-concept",{"title":2578,"path":2579,"stem":2580},"Docker — що це і навіщо?","/tools/docker/docker-what-and-why","07.tools/01.docker/02.docker-what-and-why",{"title":2582,"path":2583,"stem":2584},"Архітектура Docker Engine","/tools/docker/docker-architecture","07.tools/01.docker/03.docker-architecture",{"title":2586,"path":2587,"stem":2588},"Встановлення Docker","/tools/docker/installation","07.tools/01.docker/04.installation",{"title":2590,"path":2591,"stem":2592},"Перший контейнер — docker run","/tools/docker/first-container","07.tools/01.docker/05.first-container",{"title":2594,"path":2595,"stem":2596},"Життєвий цикл контейнера","/tools/docker/container-lifecycle","07.tools/01.docker/06.container-lifecycle",{"title":2598,"path":2599,"stem":2600},"Docker Images — фундаментальні концепції","/tools/docker/docker-images-fundamentals","07.tools/01.docker/07.docker-images-fundamentals",{"title":2602,"path":2603,"stem":2604},"Dockerfile — основи","/tools/docker/dockerfile-basics","07.tools/01.docker/08.dockerfile-basics",{"title":2606,"path":2607,"stem":2608},"Dockerfile — просунуті техніки","/tools/docker/dockerfile-advanced","07.tools/01.docker/09.dockerfile-advanced",{"title":2610,"path":2611,"stem":2612},"Build Context та кешування шарів","/tools/docker/build-context-and-cache","07.tools/01.docker/10.build-context-and-cache",{"title":2614,"path":2615,"stem":2616},"Реєстри Docker-образів","/tools/docker/image-registries","07.tools/01.docker/11.image-registries",{"title":2618,"path":2619,"stem":2620},"Контейнеризація .NET додатків","/tools/docker/dotnet-containerization","07.tools/01.docker/12.dotnet-containerization",{"title":2622,"path":2623,"stem":2624},"Томи та збереження даних","/tools/docker/volumes-and-data","07.tools/01.docker/13.volumes-and-data",{"title":2626,"path":2627,"stem":2628},"Основи мережі в Docker","/tools/docker/networking-basics","07.tools/01.docker/14.networking-basics",{"title":2630,"path":2631,"stem":2632},"Змінні оточення та конфігурація","/tools/docker/environment-and-configuration","07.tools/01.docker/15.environment-and-configuration",{"title":2634,"path":2635,"stem":2636},"Docker Compose — оркестрація контейнерів","/tools/docker/docker-compose-basics","07.tools/01.docker/16.docker-compose-basics",{"title":2638,"path":2639,"stem":2640},"Docker Compose — Multi-Service застосунки","/tools/docker/compose-multi-service","07.tools/01.docker/17.compose-multi-service",{"title":2642,"icon":2643,"path":2644,"stem":2645,"children":2646,"page":59},"Software Engineering","i-lucide-code-2","/software-engineering","09.software-engineering",[2647,2651,2655,2659,2663,2667,2671,2675,2679,2683,2687],{"title":2648,"path":2649,"stem":2650},"1. Аналіз предметної області. Експертні знання та складність","/software-engineering/intro.subdomains","09.software-engineering/01.intro.subdomains",{"title":2652,"path":2653,"stem":2654},"2. Обмежені контексти. Інтеграція обмежених контекстів","/software-engineering/integrating-limited-contexts","09.software-engineering/02.integrating-limited-contexts",{"title":2656,"path":2657,"stem":2658},"3. Реалізація простої бізнес-логіки","/software-engineering/simple","09.software-engineering/03.simple",{"title":2660,"path":2661,"stem":2662},"4. Опрацювання складної бізнес-логіки","/software-engineering/complex-business-logic","09.software-engineering/04.complex-business-logic",{"title":2664,"path":2665,"stem":2666},"5. Моделювання фактора часу. Подієво-орієнтована архітектура.","/software-engineering/modelling-the-time-factor","09.software-engineering/05.modelling-the-time-factor",{"title":2668,"path":2669,"stem":2670},"6. Архітектурні патерни","/software-engineering/architectural-patterns","09.software-engineering/06.architectural-patterns",{"title":2672,"path":2673,"stem":2674},"Паттерни взаємодії","/software-engineering/patterns-of-interaction","09.software-engineering/07.patterns-of-interaction",{"title":2676,"path":2677,"stem":2678},"Евристика проєктування","/software-engineering/design-heuristics","09.software-engineering/08.design-heuristics",{"title":2680,"path":2681,"stem":2682},"Еволюція проєктних рішень","/software-engineering/evolution-of-design-solutions","09.software-engineering/09.evolution-of-design-solutions",{"title":2684,"path":2685,"stem":2686},"EventStorming","/software-engineering/eventstorming","09.software-engineering/10.eventstorming",{"title":2688,"path":2689,"stem":2690},"DDD на практиці","/software-engineering/ddd-in-practice","09.software-engineering/11.ddd-in-practice",{"title":2692,"icon":943,"path":2693,"stem":2694,"children":2695,"page":59},"DDD","/ddd","10.ddd",[2696,2700,2704,2708,2712,2716,2720,2724,2728,2732,2736,2740,2744],{"title":2697,"path":2698,"stem":2699},"Аналіз предметної області","/ddd/domain-analysis","10.ddd/01.domain-analysis",{"title":2701,"path":2702,"stem":2703},"Експертні знання про предметну область","/ddd/domain-expert-knowledge","10.ddd/02.domain-expert-knowledge",{"title":2705,"path":2706,"stem":2707},"Як осмислити складність предметної області","/ddd/managing-domain-complexity","10.ddd/03.managing-domain-complexity",{"title":2709,"path":2710,"stem":2711},"Інтеграція обмежених контекстів","/ddd/bounded-context-integration","10.ddd/04.bounded-context-integration",{"title":2713,"path":2714,"stem":2715},"Реалізація простої бізнес-логіки","/ddd/simple-business-logic","10.ddd/05.simple-business-logic",{"title":2717,"path":2718,"stem":2719},"Обробка складної бізнес-логіки","/ddd/complex-business-logic","10.ddd/06.complex-business-logic",{"title":2721,"path":2722,"stem":2723},"Моделювання фактора часу","/ddd/time-modeling","10.ddd/07.time-modeling",{"title":2725,"path":2726,"stem":2727},"Глава 8. Архітектурні Патерни","/ddd/architectural-patterns","10.ddd/08.architectural-patterns",{"title":2729,"path":2730,"stem":2731},"Глава 9. Патерни Взаємодії","/ddd/interaction-patterns","10.ddd/09.interaction-patterns",{"title":2733,"path":2734,"stem":2735},"Глава 10. Проектні Евристики","/ddd/design-heuristics","10.ddd/10.design-heuristics",{"title":2737,"path":2738,"stem":2739},"Глава 11. Еволюція Проектних Рішень","/ddd/evolution-of-design-decisions","10.ddd/11.evolution-of-design-decisions",{"title":2741,"path":2742,"stem":2743},"Глава 12. EventStorming","/ddd/event-storming","10.ddd/12.event-storming",{"title":2745,"path":2746,"stem":2747},"Глава 13. DDD на Практиці","/ddd/ddd-in-practice","10.ddd/13.ddd-in-practice",{"title":2749,"icon":2750,"path":2751,"stem":2752,"children":2753,"page":59},"Media Streaming","i-lucide-video","/media-streaming","11.media-streaming",[2754,2758,2762,2766,2770,2774,2778],{"title":2755,"path":2756,"stem":2757},"01. Магія Стрімінгу: Що відбувається, коли ви натискаєте \"Play\"","/media-streaming/introduction","11.media-streaming/01.introduction",{"title":2759,"path":2760,"stem":2761},"02. Анатомія Медіа: Кодеки, Контейнери та Стиснення","/media-streaming/audio-video-anatomy","11.media-streaming/02.audio-video-anatomy",{"title":2763,"path":2764,"stem":2765},"03. The Gym: FFmpeg Deep Dive","/media-streaming/ffmpeg-gym","11.media-streaming/03.ffmpeg-gym",{"title":2767,"path":2768,"stem":2769},"04. HLS Protocol: HTTP Live Streaming у Деталях","/media-streaming/hls-protocol","11.media-streaming/04.hls-protocol",{"title":2771,"path":2772,"stem":2773},"05. DASH Protocol: Відкритий Стандарт","/media-streaming/dash-protocol","11.media-streaming/05.dash-protocol",{"title":2775,"path":2776,"stem":2777},"06. Масштабування: CDN та Adaptive Bitrate","/media-streaming/cdn-and-adaptive-bitrate","11.media-streaming/06.cdn-and-adaptive-bitrate",{"title":2779,"path":2780,"stem":2781},"07. Війна із Затримкою (Latency)","/media-streaming/realtime-latency","11.media-streaming/07.realtime-latency",{"title":2783,"icon":2784,"path":2785,"stem":2786,"children":2787,"page":59},"HTML & CSS","i-devicon-html5","/html-css","12.html-css",[2788,2792,2796,2800,2804,2808,2812,2816,2820,2824,2828,2832,2836,2840,2844,2848,2852,2856,2860,2864,2868,2872,2876,2880,2884,2888,2892,2896,2900,2904],{"title":2789,"path":2790,"stem":2791},"Вступ до HTML. Структура документа","/html-css/intro-html-structure","12.html-css/01.intro-html-structure",{"title":2793,"path":2794,"stem":2795},"Форматування тексту в HTML","/html-css/html-text-formatting","12.html-css/02.html-text-formatting",{"title":2797,"path":2798,"stem":2799},"Посилання та зображення в HTML","/html-css/html-links-images","12.html-css/03.html-links-images",{"title":2801,"path":2802,"stem":2803},"Списки та таблиці в HTML","/html-css/html-lists-tables","12.html-css/04.html-lists-tables",{"title":2805,"path":2806,"stem":2807},"Форми в HTML","/html-css/html-forms","12.html-css/05.html-forms",{"title":2809,"path":2810,"stem":2811},"Семантичні елементи HTML5","/html-css/html-semantic-elements","12.html-css/06.html-semantic-elements",{"title":2813,"path":2814,"stem":2815},"Мультимедіа та розширені елементи HTML","/html-css/html-multimedia-advanced","12.html-css/07.html-multimedia-advanced",{"title":2817,"path":2818,"stem":2819},"Мікророзмітка та SEO в HTML","/html-css/html-microdata-seo","12.html-css/08.html-microdata-seo",{"title":2821,"path":2822,"stem":2823},"Вступ до CSS. Селектори та специфічність","/html-css/css-intro-selectors","12.html-css/09.css-intro-selectors",{"title":2825,"path":2826,"stem":2827},"Блокова модель CSS. Відступи. Box Sizing","/html-css/css-box-model","12.html-css/10.css-box-model",{"title":2829,"path":2830,"stem":2831},"Розміри у CSS: повний довідник одиниць і ключових слів","/html-css/10a.css-sizing","12.html-css/10a.css-sizing",{"title":2833,"path":2834,"stem":2835},"Типографіка в CSS. Шрифти та текст","/html-css/css-typography","12.html-css/11.css-typography",{"title":2837,"path":2838,"stem":2839},"Кольори та фони в CSS","/html-css/css-colors-backgrounds","12.html-css/12.css-colors-backgrounds",{"title":2841,"path":2842,"stem":2843},"Тіні та фільтри в CSS","/html-css/12b.css-shadows-filters","12.html-css/12b.css-shadows-filters",{"title":2845,"path":2846,"stem":2847},"CSS Flexbox: Фундамент гнучких макетів","/html-css/css-flexbox-fundamentals","12.html-css/13.css-flexbox-fundamentals",{"title":2849,"path":2850,"stem":2851},"CSS Flexbox: Вирівнювання та Позиціонування","/html-css/css-flexbox-alignment-sizing-and-patterns","12.html-css/14.css-flexbox-alignment-sizing-and-patterns",{"title":2853,"path":2854,"stem":2855},"CSS Grid. Двовимірний макет. Частина 1","/html-css/css-layout-grid","12.html-css/15.css-layout-grid",{"title":2857,"path":2858,"stem":2859},"CSS Grid. Двовимірний макет. Частина 2","/html-css/css-layout-grid-advanced","12.html-css/16.css-layout-grid-advanced",{"title":2861,"path":2862,"stem":2863},"Позиціонування в CSS. Z-index. Stacking Context","/html-css/css-positioning","12.html-css/17.css-positioning",{"title":2865,"path":2866,"stem":2867},"CSS Анімації та Переходи","/html-css/css-animations-transitions","12.html-css/18.css-animations-transitions",{"title":2869,"path":2870,"stem":2871},"Адаптивний дизайн. Media Queries. Частина 1","/html-css/css-responsive-media-queries","12.html-css/19.css-responsive-media-queries",{"title":2873,"path":2874,"stem":2875},"Адаптивний дизайн. Частина 2: clamp(), Container Queries, @layer","/html-css/css-responsive-advanced","12.html-css/20.css-responsive-advanced",{"title":2877,"path":2878,"stem":2879},"CSS Custom Properties. Методології. Сучасний CSS","/html-css/css-variables-methodologies","12.html-css/21.css-variables-methodologies",{"title":2881,"path":2882,"stem":2883},"Сучасний CSS 2023–2025: Нові можливості","/html-css/css-modern-features","12.html-css/22.css-modern-features",{"title":2885,"path":2886,"stem":2887},"CSS Nesting, @layer, @scope та @property: нативний препроцесор","/html-css/22a.css-nesting-modern-syntax","12.html-css/22a.css-nesting-modern-syntax",{"title":2889,"path":2890,"stem":2891},"CSS для форм та інтерактивних станів","/html-css/css-forms-interactive-states","12.html-css/23.css-forms-interactive-states",{"title":2893,"path":2894,"stem":2895},"Доступність у CSS (CSS Accessibility)","/html-css/css-accessibility","12.html-css/24.css-accessibility",{"title":2897,"path":2898,"stem":2899},"CSS-функції та сучасні sizing primitives","/html-css/css-functions-sizing","12.html-css/25.css-functions-sizing",{"title":2901,"path":2902,"stem":2903},"Rendering Pipeline і CSS Performance","/html-css/css-rendering-performance","12.html-css/26.css-rendering-performance",{"title":2905,"path":2906,"stem":2907},"CSS Best Practices: типові ситуації та правильні рішення","/html-css/css-best-practices","12.html-css/27.css-best-practices",{"title":2909,"path":2910,"stem":2911,"children":2912,"page":59},"Tailwind","/tailwind","21.tailwind",[2913,2917,2921,2925,2929,2933,2937,2941],{"title":2914,"path":2915,"stem":2916},"Що таке Tailwind CSS і навіщо він потрібен","/tailwind/tailwind-intro-philosophy","21.tailwind/01.tailwind-intro-philosophy",{"title":2918,"path":2919,"stem":2920},"Встановлення та налаштування Tailwind CSS v4","/tailwind/tailwind-installation-setup","21.tailwind/02.tailwind-installation-setup",{"title":2922,"path":2923,"stem":2924},"Utility-класи: основи та система Tailwind","/tailwind/tailwind-utility-classes-core","21.tailwind/03.tailwind-utility-classes-core",{"title":2926,"path":2927,"stem":2928},"Layout: Flexbox та Grid через Tailwind","/tailwind/tailwind-flexbox-grid","21.tailwind/04.tailwind-flexbox-grid",{"title":2930,"path":2931,"stem":2932},"Кастомізація теми через @theme у Tailwind v4","/tailwind/tailwind-theme-customization","21.tailwind/05.tailwind-theme-customization",{"title":2934,"path":2935,"stem":2936},"Варіанти: hover, focus, responsive, dark mode та нові v4","/tailwind/tailwind-variants-states","21.tailwind/06.tailwind-variants-states",{"title":2938,"path":2939,"stem":2940},"Типографіка та система кольорів у Tailwind v4","/tailwind/tailwind-typography-colors","21.tailwind/07.tailwind-typography-colors",{"title":2942,"path":2943,"stem":2944},"Компоненти та повторюваність: @apply, @utility та патерни","/tailwind/tailwind-components-patterns","21.tailwind/08.tailwind-components-patterns",{"title":2946,"path":2947,"stem":2948},"Showcase Компонентів kostyl.dev","/test-new-components","98.test-new-components",{"id":2950,"title":2313,"body":2951,"description":12466,"extension":12467,"links":12468,"meta":12469,"navigation":3052,"path":2314,"seo":12470,"stem":2315,"__hash__":12471},"docs/04.java/pr2/16.unit-of-work.md",{"type":2952,"value":2953,"toc":12439},"minimark",[2954,2958,2968,2972,3195,3205,3213,3221,3232,3245,3248,3252,3263,3276,3291,3296,3299,3378,3415,3423,3429,3431,3435,3446,4042,4049,6286,6288,6292,6303,6310,6399,6409,6480,6486,6499,6505,6526,6562,6566,6576,6714,6731,6738,6740,6744,6755,6823,6832,7803,7808,8051,8056,8140,8170,8172,8176,8182,8195,9362,9373,9556,9560,9563,10953,11181,11183,11187,11190,11194,11204,11261,11274,11278,11301,11307,11311,11320,11326,11338,11342,11352,11359,11463,11469,11471,11475,11631,11633,11637,11697,11706,11713,11715,11719,11888,12134,12435],[2955,2956,2313],"h1",{"id":2957},"unit-of-work-відстеження-змін-і-координація-jdbc-транзакцій",[2959,2960,2962,2963,2967],"h2",{"id":2961},"вступ-коли-кожен-save-це-окрема-транзакція","Вступ: Коли кожен ",[2964,2965,2966],"code",{},"save()"," — це окрема транзакція",[2969,2970,2971],"p",{},"Повернімося до репозиторіїв зі статті 14. Розглянемо типовий бізнес-сценарій: реєстрація нової аудіокниги з прив'язкою до автора і жанру, де і жанр, і автор можуть бути новими.",[2973,2974,2979],"pre",{"className":2975,"code":2976,"language":2977,"meta":2978,"style":2978},"language-java shiki shiki-themes light-plus dark-plus dark-plus","AuthorRepository    authorRepo = new JdbcAuthorRepository(cm);\nGenreRepository     genreRepo  = new JdbcGenreRepository(cm);\nAudiobookRepository bookRepo   = new JdbcAudiobookRepository(cm);\n\nAuthor author = new Author(\"Іван\", \"Франко\");\nGenre  genre  = new Genre(\"Проза\");\nAudiobook book = new Audiobook(\"Захар Беркут\", author, genre);\n\n// Три окремих INSERT — три окремих транзакції\nauthorRepo.save(author);  // BEGIN; INSERT INTO authors...; COMMIT\ngenreRepo.save(genre);    // BEGIN; INSERT INTO genres...;  COMMIT\nbookRepo.save(book);      // BEGIN; INSERT INTO audiobooks...; COMMIT\n","java","",[2964,2980,2981,3009,3028,3047,3054,3086,3109,3133,3138,3145,3163,3179],{"__ignoreMap":2978},[2982,2983,2986,2990,2994,2998,3002,3006],"span",{"class":2984,"line":2985},"line",1,[2982,2987,2989],{"class":2988},"sN1BT","AuthorRepository",[2982,2991,2993],{"class":2992},"siwwj","    authorRepo",[2982,2995,2997],{"class":2996},"sHH4Y"," = ",[2982,2999,3001],{"class":3000},"sCDza","new",[2982,3003,3005],{"class":3004},"s8Opu"," JdbcAuthorRepository",[2982,3007,3008],{"class":2996},"(cm);\n",[2982,3010,3012,3015,3018,3021,3023,3026],{"class":2984,"line":3011},2,[2982,3013,3014],{"class":2988},"GenreRepository",[2982,3016,3017],{"class":2992},"     genreRepo",[2982,3019,3020],{"class":2996},"  = ",[2982,3022,3001],{"class":3000},[2982,3024,3025],{"class":3004}," JdbcGenreRepository",[2982,3027,3008],{"class":2996},[2982,3029,3031,3034,3037,3040,3042,3045],{"class":2984,"line":3030},3,[2982,3032,3033],{"class":2988},"AudiobookRepository",[2982,3035,3036],{"class":2992}," bookRepo",[2982,3038,3039],{"class":2996},"   = ",[2982,3041,3001],{"class":3000},[2982,3043,3044],{"class":3004}," JdbcAudiobookRepository",[2982,3046,3008],{"class":2996},[2982,3048,3050],{"class":2984,"line":3049},4,[2982,3051,3053],{"emptyLinePlaceholder":3052},true,"\n",[2982,3055,3057,3060,3063,3065,3067,3070,3073,3077,3080,3083],{"class":2984,"line":3056},5,[2982,3058,3059],{"class":2988},"Author",[2982,3061,3062],{"class":2992}," author",[2982,3064,2997],{"class":2996},[2982,3066,3001],{"class":3000},[2982,3068,3069],{"class":3004}," Author",[2982,3071,3072],{"class":2996},"(",[2982,3074,3076],{"class":3075},"sbdoH","\"Іван\"",[2982,3078,3079],{"class":2996},", ",[2982,3081,3082],{"class":3075},"\"Франко\"",[2982,3084,3085],{"class":2996},");\n",[2982,3087,3089,3092,3095,3097,3099,3102,3104,3107],{"class":2984,"line":3088},6,[2982,3090,3091],{"class":2988},"Genre",[2982,3093,3094],{"class":2992},"  genre",[2982,3096,3020],{"class":2996},[2982,3098,3001],{"class":3000},[2982,3100,3101],{"class":3004}," Genre",[2982,3103,3072],{"class":2996},[2982,3105,3106],{"class":3075},"\"Проза\"",[2982,3108,3085],{"class":2996},[2982,3110,3112,3115,3118,3120,3122,3125,3127,3130],{"class":2984,"line":3111},7,[2982,3113,3114],{"class":2988},"Audiobook",[2982,3116,3117],{"class":2992}," book",[2982,3119,2997],{"class":2996},[2982,3121,3001],{"class":3000},[2982,3123,3124],{"class":3004}," Audiobook",[2982,3126,3072],{"class":2996},[2982,3128,3129],{"class":3075},"\"Захар Беркут\"",[2982,3131,3132],{"class":2996},", author, genre);\n",[2982,3134,3136],{"class":2984,"line":3135},8,[2982,3137,3053],{"emptyLinePlaceholder":3052},[2982,3139,3141],{"class":2984,"line":3140},9,[2982,3142,3144],{"class":3143},"spJ8K","// Три окремих INSERT — три окремих транзакції\n",[2982,3146,3148,3151,3154,3157,3160],{"class":2984,"line":3147},10,[2982,3149,3150],{"class":2992},"authorRepo",[2982,3152,3153],{"class":2996},".",[2982,3155,3156],{"class":3004},"save",[2982,3158,3159],{"class":2996},"(author);  ",[2982,3161,3162],{"class":3143},"// BEGIN; INSERT INTO authors...; COMMIT\n",[2982,3164,3166,3169,3171,3173,3176],{"class":2984,"line":3165},11,[2982,3167,3168],{"class":2992},"genreRepo",[2982,3170,3153],{"class":2996},[2982,3172,3156],{"class":3004},[2982,3174,3175],{"class":2996},"(genre);    ",[2982,3177,3178],{"class":3143},"// BEGIN; INSERT INTO genres...;  COMMIT\n",[2982,3180,3182,3185,3187,3189,3192],{"class":2984,"line":3181},12,[2982,3183,3184],{"class":2992},"bookRepo",[2982,3186,3153],{"class":2996},[2982,3188,3156],{"class":3004},[2982,3190,3191],{"class":2996},"(book);      ",[2982,3193,3194],{"class":3143},"// BEGIN; INSERT INTO audiobooks...; COMMIT\n",[2969,3196,3197,3198,3200,3201,3204],{},"Що станеться, якщо третій ",[2964,3199,2966],{}," — ",[2964,3202,3203],{},"bookRepo.save(book)"," — кине виключення? Наприклад, порушення зовнішнього ключа або мережева помилка?",[2973,3206,3211],{"className":3207,"code":3209,"language":3210},[3208],"language-text","✅ INSERT INTO authors   → COMMIT (автор існує у БД)\n✅ INSERT INTO genres    → COMMIT (жанр існує у БД)\n❌ INSERT INTO audiobooks → ROLLBACK (книга НЕ збережена)\n","text",[2964,3212,3209],{"__ignoreMap":2978},[2969,3214,3215,3216,3220],{},"База даних тепер містить ",[3217,3218,3219],"strong",{},"orphan-записи",": автора і жанр, що не пов'язані з жодною книгою. Для системи, що не має механізму відстеження незавершених операцій, очистити цей стан вручну — нетривіальне завдання.",[2969,3222,3223,3224,3227,3228,3231],{},"Але навіть якщо помилки немає, три окремих ",[2964,3225,3226],{},"BEGIN/COMMIT"," — це три окремих ",[3217,3229,3230],{},"roundtrip"," до бази даних. Для складних операцій (наприклад, оновлення 20 сутностей у рамках одного бізнес-процесу) це 20 непотрібних network-операцій і 20 пар lock/unlock на рівні БД.",[2969,3233,3234,3237,3238,3240,3241,3244],{},[3217,3235,3236],{},"Фундаментальна проблема:"," репозиторії зі статті 14 не мають поняття «одиниця роботи». Кожен виклик ",[2964,3239,2966],{}," або ",[2964,3242,3243],{},"update()"," є самостійним і атомарним сам по собі. Але бізнес-операції рідко є атомарними на рівні однієї сутності — вони охоплюють кілька пов'язаних змін, що мають або всі разом зафіксуватися, або всі разом відкотитися.",[3246,3247],"hr",{},[2959,3249,3251],{"id":3250},"концепція-unit-of-work-за-фаулером","Концепція: Unit of Work за Фаулером",[2969,3253,3254,3257,3258,3262],{},[3217,3255,3256],{},"Unit of Work"," (Фаулер, ",[3259,3260,3261],"em",{},"Patterns of Enterprise Application Architecture",", 2002):",[3264,3265,3266,3271],"blockquote",{},[2969,3267,3268],{},[3259,3269,3270],{},"«Maintains a list of objects affected by a business transaction and coordinates the writing out of changes and the resolution of concurrency problems.»",[2969,3272,3273],{},[3259,3274,3275],{},"«Підтримує список об'єктів, уражених бізнес-транзакцією, і координує запис змін та вирішення проблем конкурентності.»",[2969,3277,3278,3279,3282,3283,3286,3287,3290],{},"Unit of Work — це ",[3217,3280,3281],{},"реєстр змін",", що накопичує всі операції протягом бізнес-транзакції (не JDBC-транзакції!) і виконує їх всі разом в одній JDBC-транзакції при виклику ",[2964,3284,3285],{},"commit()",". Якщо будь-яка операція провалюється — ",[2964,3288,3289],{},"rollback()"," відміняє всі зміни.",[3292,3293,3295],"h3",{"id":3294},"три-категорії-відстежуваних-обєктів","Три категорії відстежуваних об'єктів",[2969,3297,3298],{},"Фаулер визначає три списки, що Unit of Work підтримує одночасно:",[3300,3301,3302],"mermaid",{},[2973,3303,3306],{"className":3304,"code":3305,"language":3300,"meta":2978,"style":2978},"language-mermaid shiki shiki-themes light-plus dark-plus dark-plus","stateDiagram-v2\n    [*] --> Clean : завантажено з БД\u003Cbr/>(findById)\n    [*] --> New : створено у пам'яті\u003Cbr/>(new Author(...))\n\n    New --> [*] : commit → INSERT\n    Clean --> Dirty : setFirstName() / setBio()\n    Dirty --> [*] : commit → UPDATE\n    Clean --> Deleted : registerDeleted(entity)\n    Dirty --> Deleted : registerDeleted(entity)\n    Deleted --> [*] : commit → DELETE\n\n    New --> [*] : rollback → скасовано\n    Dirty --> Clean : rollback → відновлено стан\n    Deleted --> Clean : rollback → відновлено стан\n",[2964,3307,3308,3313,3318,3323,3327,3332,3337,3342,3347,3352,3357,3361,3366,3372],{"__ignoreMap":2978},[2982,3309,3310],{"class":2984,"line":2985},[2982,3311,3312],{},"stateDiagram-v2\n",[2982,3314,3315],{"class":2984,"line":3011},[2982,3316,3317],{},"    [*] --> Clean : завантажено з БД\u003Cbr/>(findById)\n",[2982,3319,3320],{"class":2984,"line":3030},[2982,3321,3322],{},"    [*] --> New : створено у пам'яті\u003Cbr/>(new Author(...))\n",[2982,3324,3325],{"class":2984,"line":3049},[2982,3326,3053],{"emptyLinePlaceholder":3052},[2982,3328,3329],{"class":2984,"line":3056},[2982,3330,3331],{},"    New --> [*] : commit → INSERT\n",[2982,3333,3334],{"class":2984,"line":3088},[2982,3335,3336],{},"    Clean --> Dirty : setFirstName() / setBio()\n",[2982,3338,3339],{"class":2984,"line":3111},[2982,3340,3341],{},"    Dirty --> [*] : commit → UPDATE\n",[2982,3343,3344],{"class":2984,"line":3135},[2982,3345,3346],{},"    Clean --> Deleted : registerDeleted(entity)\n",[2982,3348,3349],{"class":2984,"line":3140},[2982,3350,3351],{},"    Dirty --> Deleted : registerDeleted(entity)\n",[2982,3353,3354],{"class":2984,"line":3147},[2982,3355,3356],{},"    Deleted --> [*] : commit → DELETE\n",[2982,3358,3359],{"class":2984,"line":3165},[2982,3360,3053],{"emptyLinePlaceholder":3052},[2982,3362,3363],{"class":2984,"line":3181},[2982,3364,3365],{},"    New --> [*] : rollback → скасовано\n",[2982,3367,3369],{"class":2984,"line":3368},13,[2982,3370,3371],{},"    Dirty --> Clean : rollback → відновлено стан\n",[2982,3373,3375],{"class":2984,"line":3374},14,[2982,3376,3377],{},"    Deleted --> Clean : rollback → відновлено стан\n",[3379,3380,3381,3393,3404],"ul",{},[3382,3383,3384,3387,3388,3200,3390,3153],"li",{},[3217,3385,3386],{},"New (нові):"," об'єкти, що були створені у Java-пам'яті, але ще не збережені у БД. При ",[2964,3389,3285],{},[2964,3391,3392],{},"INSERT",[3382,3394,3395,3398,3399,3200,3401,3153],{},[3217,3396,3397],{},"Dirty (брудні):"," об'єкти, що були завантажені з БД і змінені. При ",[2964,3400,3285],{},[2964,3402,3403],{},"UPDATE",[3382,3405,3406,3409,3410,3200,3412,3153],{},[3217,3407,3408],{},"Deleted (видалені):"," об'єкти, що мають бути видалені з БД. При ",[2964,3411,3285],{},[2964,3413,3414],{},"DELETE",[2969,3416,3417,3422],{},[3217,3418,3419,3420],{},"Порядок виконання при ",[2964,3421,3285],{}," є критично важливим. Unit of Work повинен виконати операції у правильній послідовності, щоб не порушити FK-обмеження:",[2973,3424,3427],{"className":3425,"code":3426,"language":3210},[3208],"INSERT authors     (перед INSERT audiobooks, що містить author_id FK)\nINSERT genres      (перед INSERT audiobooks, що містить genre_id FK)\nINSERT audiobooks  (після authors і genres)\nUPDATE ...         (в будь-якому порядку)\nDELETE audiobooks  (перед DELETE authors/genres через FK)\nDELETE authors     (після DELETE audiobooks)\nDELETE genres      (після DELETE audiobooks)\n",[2964,3428,3426],{"__ignoreMap":2978},[3246,3430],{},[2959,3432,3434],{"id":3433},"реалізація-інтерфейс-і-стани","Реалізація: Інтерфейс і стани",[2969,3436,3437,3438,3441,3442,3445],{},"Перш ніж реалізовувати сам ",[2964,3439,3440],{},"UnitOfWork",", визначимо його публічний контракт. Unit of Work є суттєво більш складним компонентом, ніж ",[2964,3443,3444],{},"IdentityMap",", і потребує чіткого розмежування відповідальностей.",[2973,3447,3450],{"className":2975,"code":3448,"language":2977,"meta":3449,"style":2978},"package com.example.audiobook.persistence;\n\n/**\n * Контракт Unit of Work: реєстр змін бізнес-транзакції.\n * \u003Cp>\n * Unit of Work накопичує усі зміни, виконані протягом бізнес-операції,\n * і записує їх в БД в одній JDBC-транзакції при {@link #commit()}.\n * \u003Cp>\n * \u003Cb>Типовий цикл використання:\u003C/b>\n * \u003Cpre>{@code\n * UnitOfWork uow = new JdbcUnitOfWork(connectionManager);\n * try {\n *     Author author = new Author(\"Тарас\", \"Шевченко\");\n *     uow.registerNew(author);\n *\n *     Genre genre = uow.load(genreId); // завантажити існуючий\n *     genre.setDescription(\"...\");\n *     uow.registerDirty(genre);\n *\n *     uow.commit();\n * } catch (Exception e) {\n *     uow.rollback();\n *     throw e;\n * }\n * }\u003C/pre>\n */\npublic interface UnitOfWork {\n\n    /**\n     * Реєструє новий об'єкт для вставки до БД при {@link #commit()}.\n     * Об'єкт не повинен мати запису у БД — при {@code commit()} буде виконано {@code INSERT}.\n     *\n     * @param entity новий об'єкт\n     * @throws IllegalStateException якщо об'єкт вже зареєстрований в іншій категорії\n     */\n    void registerNew(Object entity);\n\n    /**\n     * Реєструє існуючий об'єкт як змінений (dirty).\n     * При {@link #commit()} буде виконано {@code UPDATE}.\n     * Повторний виклик для вже зареєстрованого «брудного» об'єкта ігнорується.\n     *\n     * @param entity змінений об'єкт\n     */\n    void registerDirty(Object entity);\n\n    /**\n     * Реєструє об'єкт для видалення з БД при {@link #commit()}.\n     * При {@link #commit()} буде виконано {@code DELETE}.\n     * Якщо об'єкт був у списку {@code new} — просто видаляється з нього (без SQL).\n     *\n     * @param entity об'єкт для видалення\n     */\n    void registerDeleted(Object entity);\n\n    /**\n     * Реєструє об'єкт як «чистий» (щойно завантажений з БД, незмінений).\n     * Використовується Identity Map для реєстрації завантажених об'єктів.\n     *\n     * @param entity завантажений об'єкт\n     */\n    void registerClean(Object entity);\n\n    /**\n     * Фіксує всі зміни в одній JDBC-транзакції.\n     * \u003Cp>\n     * Порядок виконання: INSERT (new) → UPDATE (dirty) → DELETE (deleted).\n     * Після успішного commit очищає всі списки.\n     *\n     * @throws com.example.audiobook.db.DatabaseException якщо виникає помилка SQL\n     */\n    void commit();\n\n    /**\n     * Відміняє всі зміни JDBC-транзакції та очищає всі списки.\n     * Викликається в блоці {@code catch} при виникненні будь-якого виключення.\n     */\n    void rollback();\n}\n","showLineNumbers",[2964,3451,3452,3461,3465,3470,3475,3480,3485,3501,3505,3510,3515,3520,3525,3530,3535,3541,3550,3556,3562,3567,3573,3579,3585,3591,3597,3603,3609,3624,3629,3635,3649,3655,3661,3676,3690,3696,3714,3719,3724,3730,3745,3751,3756,3768,3773,3789,3794,3799,3813,3827,3833,3838,3850,3855,3871,3876,3881,3887,3893,3898,3910,3915,3931,3936,3941,3947,3953,3959,3965,3970,3983,3988,3999,4004,4009,4015,4021,4026,4036],{"__ignoreMap":2978},[2982,3453,3454,3458],{"class":2984,"line":2985},[2982,3455,3457],{"class":3456},"su1O8","package",[2982,3459,3460],{"class":2996}," com.example.audiobook.persistence;\n",[2982,3462,3463],{"class":2984,"line":3011},[2982,3464,3053],{"emptyLinePlaceholder":3052},[2982,3466,3467],{"class":2984,"line":3030},[2982,3468,3469],{"class":3143},"/**\n",[2982,3471,3472],{"class":2984,"line":3049},[2982,3473,3474],{"class":3143}," * Контракт Unit of Work: реєстр змін бізнес-транзакції.\n",[2982,3476,3477],{"class":2984,"line":3056},[2982,3478,3479],{"class":3143}," * \u003Cp>\n",[2982,3481,3482],{"class":2984,"line":3088},[2982,3483,3484],{"class":3143}," * Unit of Work накопичує усі зміни, виконані протягом бізнес-операції,\n",[2982,3486,3487,3490,3493,3496,3498],{"class":2984,"line":3111},[2982,3488,3489],{"class":3143}," * і записує їх в БД в одній JDBC-транзакції при {",[2982,3491,3492],{"class":3456},"@link",[2982,3494,3495],{"class":3143}," #",[2982,3497,3285],{"class":2992},[2982,3499,3500],{"class":3143},"}.\n",[2982,3502,3503],{"class":2984,"line":3135},[2982,3504,3479],{"class":3143},[2982,3506,3507],{"class":2984,"line":3140},[2982,3508,3509],{"class":3143}," * \u003Cb>Типовий цикл використання:\u003C/b>\n",[2982,3511,3512],{"class":2984,"line":3147},[2982,3513,3514],{"class":3143}," * \u003Cpre>{@code\n",[2982,3516,3517],{"class":2984,"line":3165},[2982,3518,3519],{"class":3143}," * UnitOfWork uow = new JdbcUnitOfWork(connectionManager);\n",[2982,3521,3522],{"class":2984,"line":3181},[2982,3523,3524],{"class":3143}," * try {\n",[2982,3526,3527],{"class":2984,"line":3368},[2982,3528,3529],{"class":3143}," *     Author author = new Author(\"Тарас\", \"Шевченко\");\n",[2982,3531,3532],{"class":2984,"line":3374},[2982,3533,3534],{"class":3143}," *     uow.registerNew(author);\n",[2982,3536,3538],{"class":2984,"line":3537},15,[2982,3539,3540],{"class":3143}," *\n",[2982,3542,3544,3547],{"class":2984,"line":3543},16,[2982,3545,3546],{"class":3143}," *     Genre genre = uow.load(genreId);",[2982,3548,3549],{"class":3143}," // завантажити існуючий\n",[2982,3551,3553],{"class":2984,"line":3552},17,[2982,3554,3555],{"class":3143}," *     genre.setDescription(\"...\");\n",[2982,3557,3559],{"class":2984,"line":3558},18,[2982,3560,3561],{"class":3143}," *     uow.registerDirty(genre);\n",[2982,3563,3565],{"class":2984,"line":3564},19,[2982,3566,3540],{"class":3143},[2982,3568,3570],{"class":2984,"line":3569},20,[2982,3571,3572],{"class":3143}," *     uow.commit();\n",[2982,3574,3576],{"class":2984,"line":3575},21,[2982,3577,3578],{"class":3143}," * } catch (Exception e) {\n",[2982,3580,3582],{"class":2984,"line":3581},22,[2982,3583,3584],{"class":3143}," *     uow.rollback();\n",[2982,3586,3588],{"class":2984,"line":3587},23,[2982,3589,3590],{"class":3143}," *     throw e;\n",[2982,3592,3594],{"class":2984,"line":3593},24,[2982,3595,3596],{"class":3143}," * }\n",[2982,3598,3600],{"class":2984,"line":3599},25,[2982,3601,3602],{"class":3143}," * }\u003C/pre>\n",[2982,3604,3606],{"class":2984,"line":3605},26,[2982,3607,3608],{"class":3143}," */\n",[2982,3610,3612,3615,3618,3621],{"class":2984,"line":3611},27,[2982,3613,3614],{"class":3456},"public",[2982,3616,3617],{"class":3456}," interface",[2982,3619,3620],{"class":2988}," UnitOfWork",[2982,3622,3623],{"class":2996}," {\n",[2982,3625,3627],{"class":2984,"line":3626},28,[2982,3628,3053],{"emptyLinePlaceholder":3052},[2982,3630,3632],{"class":2984,"line":3631},29,[2982,3633,3634],{"class":3143},"    /**\n",[2982,3636,3638,3641,3643,3645,3647],{"class":2984,"line":3637},30,[2982,3639,3640],{"class":3143},"     * Реєструє новий об'єкт для вставки до БД при {",[2982,3642,3492],{"class":3456},[2982,3644,3495],{"class":3143},[2982,3646,3285],{"class":2992},[2982,3648,3500],{"class":3143},[2982,3650,3652],{"class":2984,"line":3651},31,[2982,3653,3654],{"class":3143},"     * Об'єкт не повинен мати запису у БД — при {@code commit()} буде виконано {@code INSERT}.\n",[2982,3656,3658],{"class":2984,"line":3657},32,[2982,3659,3660],{"class":3143},"     *\n",[2982,3662,3664,3667,3670,3673],{"class":2984,"line":3663},33,[2982,3665,3666],{"class":3143},"     * ",[2982,3668,3669],{"class":3456},"@param",[2982,3671,3672],{"class":2992}," entity",[2982,3674,3675],{"class":3143}," новий об'єкт\n",[2982,3677,3679,3681,3684,3687],{"class":2984,"line":3678},34,[2982,3680,3666],{"class":3143},[2982,3682,3683],{"class":3456},"@throws",[2982,3685,3686],{"class":2988}," IllegalStateException",[2982,3688,3689],{"class":3143}," якщо об'єкт вже зареєстрований в іншій категорії\n",[2982,3691,3693],{"class":2984,"line":3692},35,[2982,3694,3695],{"class":3143},"     */\n",[2982,3697,3699,3702,3705,3707,3710,3712],{"class":2984,"line":3698},36,[2982,3700,3701],{"class":2988},"    void",[2982,3703,3704],{"class":3004}," registerNew",[2982,3706,3072],{"class":2996},[2982,3708,3709],{"class":2988},"Object",[2982,3711,3672],{"class":2992},[2982,3713,3085],{"class":2996},[2982,3715,3717],{"class":2984,"line":3716},37,[2982,3718,3053],{"emptyLinePlaceholder":3052},[2982,3720,3722],{"class":2984,"line":3721},38,[2982,3723,3634],{"class":3143},[2982,3725,3727],{"class":2984,"line":3726},39,[2982,3728,3729],{"class":3143},"     * Реєструє існуючий об'єкт як змінений (dirty).\n",[2982,3731,3733,3736,3738,3740,3742],{"class":2984,"line":3732},40,[2982,3734,3735],{"class":3143},"     * При {",[2982,3737,3492],{"class":3456},[2982,3739,3495],{"class":3143},[2982,3741,3285],{"class":2992},[2982,3743,3744],{"class":3143},"} буде виконано {@code UPDATE}.\n",[2982,3746,3748],{"class":2984,"line":3747},41,[2982,3749,3750],{"class":3143},"     * Повторний виклик для вже зареєстрованого «брудного» об'єкта ігнорується.\n",[2982,3752,3754],{"class":2984,"line":3753},42,[2982,3755,3660],{"class":3143},[2982,3757,3759,3761,3763,3765],{"class":2984,"line":3758},43,[2982,3760,3666],{"class":3143},[2982,3762,3669],{"class":3456},[2982,3764,3672],{"class":2992},[2982,3766,3767],{"class":3143}," змінений об'єкт\n",[2982,3769,3771],{"class":2984,"line":3770},44,[2982,3772,3695],{"class":3143},[2982,3774,3776,3778,3781,3783,3785,3787],{"class":2984,"line":3775},45,[2982,3777,3701],{"class":2988},[2982,3779,3780],{"class":3004}," registerDirty",[2982,3782,3072],{"class":2996},[2982,3784,3709],{"class":2988},[2982,3786,3672],{"class":2992},[2982,3788,3085],{"class":2996},[2982,3790,3792],{"class":2984,"line":3791},46,[2982,3793,3053],{"emptyLinePlaceholder":3052},[2982,3795,3797],{"class":2984,"line":3796},47,[2982,3798,3634],{"class":3143},[2982,3800,3802,3805,3807,3809,3811],{"class":2984,"line":3801},48,[2982,3803,3804],{"class":3143},"     * Реєструє об'єкт для видалення з БД при {",[2982,3806,3492],{"class":3456},[2982,3808,3495],{"class":3143},[2982,3810,3285],{"class":2992},[2982,3812,3500],{"class":3143},[2982,3814,3816,3818,3820,3822,3824],{"class":2984,"line":3815},49,[2982,3817,3735],{"class":3143},[2982,3819,3492],{"class":3456},[2982,3821,3495],{"class":3143},[2982,3823,3285],{"class":2992},[2982,3825,3826],{"class":3143},"} буде виконано {@code DELETE}.\n",[2982,3828,3830],{"class":2984,"line":3829},50,[2982,3831,3832],{"class":3143},"     * Якщо об'єкт був у списку {@code new} — просто видаляється з нього (без SQL).\n",[2982,3834,3836],{"class":2984,"line":3835},51,[2982,3837,3660],{"class":3143},[2982,3839,3841,3843,3845,3847],{"class":2984,"line":3840},52,[2982,3842,3666],{"class":3143},[2982,3844,3669],{"class":3456},[2982,3846,3672],{"class":2992},[2982,3848,3849],{"class":3143}," об'єкт для видалення\n",[2982,3851,3853],{"class":2984,"line":3852},53,[2982,3854,3695],{"class":3143},[2982,3856,3858,3860,3863,3865,3867,3869],{"class":2984,"line":3857},54,[2982,3859,3701],{"class":2988},[2982,3861,3862],{"class":3004}," registerDeleted",[2982,3864,3072],{"class":2996},[2982,3866,3709],{"class":2988},[2982,3868,3672],{"class":2992},[2982,3870,3085],{"class":2996},[2982,3872,3874],{"class":2984,"line":3873},55,[2982,3875,3053],{"emptyLinePlaceholder":3052},[2982,3877,3879],{"class":2984,"line":3878},56,[2982,3880,3634],{"class":3143},[2982,3882,3884],{"class":2984,"line":3883},57,[2982,3885,3886],{"class":3143},"     * Реєструє об'єкт як «чистий» (щойно завантажений з БД, незмінений).\n",[2982,3888,3890],{"class":2984,"line":3889},58,[2982,3891,3892],{"class":3143},"     * Використовується Identity Map для реєстрації завантажених об'єктів.\n",[2982,3894,3896],{"class":2984,"line":3895},59,[2982,3897,3660],{"class":3143},[2982,3899,3901,3903,3905,3907],{"class":2984,"line":3900},60,[2982,3902,3666],{"class":3143},[2982,3904,3669],{"class":3456},[2982,3906,3672],{"class":2992},[2982,3908,3909],{"class":3143}," завантажений об'єкт\n",[2982,3911,3913],{"class":2984,"line":3912},61,[2982,3914,3695],{"class":3143},[2982,3916,3918,3920,3923,3925,3927,3929],{"class":2984,"line":3917},62,[2982,3919,3701],{"class":2988},[2982,3921,3922],{"class":3004}," registerClean",[2982,3924,3072],{"class":2996},[2982,3926,3709],{"class":2988},[2982,3928,3672],{"class":2992},[2982,3930,3085],{"class":2996},[2982,3932,3934],{"class":2984,"line":3933},63,[2982,3935,3053],{"emptyLinePlaceholder":3052},[2982,3937,3939],{"class":2984,"line":3938},64,[2982,3940,3634],{"class":3143},[2982,3942,3944],{"class":2984,"line":3943},65,[2982,3945,3946],{"class":3143},"     * Фіксує всі зміни в одній JDBC-транзакції.\n",[2982,3948,3950],{"class":2984,"line":3949},66,[2982,3951,3952],{"class":3143},"     * \u003Cp>\n",[2982,3954,3956],{"class":2984,"line":3955},67,[2982,3957,3958],{"class":3143},"     * Порядок виконання: INSERT (new) → UPDATE (dirty) → DELETE (deleted).\n",[2982,3960,3962],{"class":2984,"line":3961},68,[2982,3963,3964],{"class":3143},"     * Після успішного commit очищає всі списки.\n",[2982,3966,3968],{"class":2984,"line":3967},69,[2982,3969,3660],{"class":3143},[2982,3971,3973,3975,3977,3980],{"class":2984,"line":3972},70,[2982,3974,3666],{"class":3143},[2982,3976,3683],{"class":3456},[2982,3978,3979],{"class":2988}," com.example.audiobook.db.DatabaseException",[2982,3981,3982],{"class":3143}," якщо виникає помилка SQL\n",[2982,3984,3986],{"class":2984,"line":3985},71,[2982,3987,3695],{"class":3143},[2982,3989,3991,3993,3996],{"class":2984,"line":3990},72,[2982,3992,3701],{"class":2988},[2982,3994,3995],{"class":3004}," commit",[2982,3997,3998],{"class":2996},"();\n",[2982,4000,4002],{"class":2984,"line":4001},73,[2982,4003,3053],{"emptyLinePlaceholder":3052},[2982,4005,4007],{"class":2984,"line":4006},74,[2982,4008,3634],{"class":3143},[2982,4010,4012],{"class":2984,"line":4011},75,[2982,4013,4014],{"class":3143},"     * Відміняє всі зміни JDBC-транзакції та очищає всі списки.\n",[2982,4016,4018],{"class":2984,"line":4017},76,[2982,4019,4020],{"class":3143},"     * Викликається в блоці {@code catch} при виникненні будь-якого виключення.\n",[2982,4022,4024],{"class":2984,"line":4023},77,[2982,4025,3695],{"class":3143},[2982,4027,4029,4031,4034],{"class":2984,"line":4028},78,[2982,4030,3701],{"class":2988},[2982,4032,4033],{"class":3004}," rollback",[2982,4035,3998],{"class":2996},[2982,4037,4039],{"class":2984,"line":4038},79,[2982,4040,4041],{"class":2996},"}\n",[2969,4043,4044,4045,4048],{},"Тепер реалізуємо конкретний ",[2964,4046,4047],{},"JdbcUnitOfWork",". Він є складним класом і вимагає уважного читання:",[2973,4050,4052],{"className":2975,"code":4051,"language":2977,"meta":3449,"style":2978},"package com.example.audiobook.persistence;\n\nimport com.example.audiobook.db.ConnectionManager;\nimport com.example.audiobook.db.DatabaseException;\nimport com.example.audiobook.domain.Author;\nimport com.example.audiobook.domain.Genre;\nimport com.example.audiobook.domain.Audiobook;\nimport com.example.audiobook.repository.AuthorRepository;\nimport com.example.audiobook.repository.AudiobookRepository;\nimport com.example.audiobook.repository.GenreRepository;\n\nimport java.sql.Connection;\nimport java.sql.SQLException;\nimport java.util.ArrayList;\nimport java.util.LinkedHashSet;\nimport java.util.List;\nimport java.util.SequencedSet;\n\n/**\n * JDBC-реалізація {@link UnitOfWork}.\n * \u003Cp>\n * Підтримує три внутрішніх списки об'єктів (new, dirty, deleted)\n * і виконує усі зміни в одній JDBC-транзакції при {@link #commit()}.\n * \u003Cp>\n * \u003Cb>Архітектурне рішення щодо порядку списків:\u003C/b>\n * Використовуємо {@link LinkedHashSet} замість звичайного {@code Set} або {@code List}:\n * \u003Cul>\n *   \u003Cli>Як {@code Set}: гарантує відсутність дублікатів (один об'єкт не може бути\n *       зареєстрований двічі у тому ж списку).\u003C/li>\n *   \u003Cli>Як {@code LinkedHash}: зберігає порядок вставки, що важливо для INSERT\n *       (батьківські сутності перед дочірніми).\u003C/li>\n * \u003C/ul>\n */\npublic class JdbcUnitOfWork implements UnitOfWork {\n\n    private final ConnectionManager connectionManager;\n\n    // Репозиторії для виконання SQL-операцій\n    // Передаються ззовні — UoW не знає, як саме виконується SQL\n    private final AuthorRepository    authorRepository;\n    private final GenreRepository     genreRepository;\n    private final AudiobookRepository audiobookRepository;\n\n    // Три списки відстеження змін\n    // LinkedHashSet: порядок вставки + без дублікатів\n    private final SequencedSet\u003CObject> newEntities     = new LinkedHashSet\u003C>();\n    private final SequencedSet\u003CObject> dirtyEntities   = new LinkedHashSet\u003C>();\n    private final SequencedSet\u003CObject> deletedEntities = new LinkedHashSet\u003C>();\n\n    public JdbcUnitOfWork(\n            ConnectionManager connectionManager,\n            AuthorRepository authorRepository,\n            GenreRepository genreRepository,\n            AudiobookRepository audiobookRepository) {\n        this.connectionManager   = connectionManager;\n        this.authorRepository    = authorRepository;\n        this.genreRepository     = genreRepository;\n        this.audiobookRepository = audiobookRepository;\n    }\n\n    @Override\n    public void registerNew(Object entity) {\n        // Об'єкт не може бути одночасно «новим» і «видаленим»\n        if (deletedEntities.contains(entity)) {\n            throw new IllegalStateException(\n                \"Неможливо зареєструвати як новий об'єкт, що вже позначений для видалення: \"\n                + entity);\n        }\n        // Якщо вже «брудний» — не додаємо, але й не кидаємо виключення\n        if (dirtyEntities.contains(entity)) {\n            return;\n        }\n        newEntities.add(entity);\n    }\n\n    @Override\n    public void registerDirty(Object entity) {\n        // Новий об'єкт може стати «брудним» тільки якщо він вже у БД\n        if (newEntities.contains(entity)) {\n            // Вже буде INSERT — окремий UPDATE не потрібен\n            return;\n        }\n        if (deletedEntities.contains(entity)) {\n            throw new IllegalStateException(\n                \"Неможливо оновити об'єкт, що вже позначений для видалення: \" + entity);\n        }\n        dirtyEntities.add(entity);\n    }\n\n    @Override\n    public void registerDeleted(Object entity) {\n        // Якщо об'єкт був «новим» (ще не збережений у БД) — просто прибираємо\n        if (newEntities.remove(entity)) {\n            return; // Жодного SQL не потрібно\n        }\n        dirtyEntities.remove(entity); // Прибрати з dirty — видалення замінює оновлення\n        deletedEntities.add(entity);\n    }\n\n    @Override\n    public void registerClean(Object entity) {\n        // Чисті об'єкти не потребують жодних SQL-операцій\n        // Цей метод може використовуватись Identity Map для обліку\n    }\n\n    /**\n     * Фіксує всі зміни в одній JDBC-транзакції.\n     * \u003Cp>\n     * \u003Cb>Порядок виконання строго визначений:\u003C/b>\n     * \u003Col>\n     *   \u003Cli>INSERT нових сутностей (authors → genres → audiobooks)\u003C/li>\n     *   \u003Cli>UPDATE змінених сутностей\u003C/li>\n     *   \u003Cli>DELETE видалених сутностей (audiobooks → genres → authors)\u003C/li>\n     * \u003C/ol>\n     * Цей порядок забезпечує дотримання FK-обмежень.\n     */\n    @Override\n    public void commit() {\n        Connection conn = null;\n        try {\n            conn = connectionManager.getConnection();\n            conn.setAutoCommit(false); // починаємо транзакцію явно\n\n            // Крок 1: INSERT нових об'єктів у правильному порядку\n            insertAll(conn);\n\n            // Крок 2: UPDATE змінених об'єктів\n            updateAll(conn);\n\n            // Крок 3: DELETE видалених об'єктів у зворотному порядку FK\n            deleteAll(conn);\n\n            conn.commit(); // ← єдиний COMMIT для всіх операцій\n            clearAll();    // очистити реєстри після успішної фіксації\n\n        } catch (SQLException e) {\n            rollbackQuietly(conn);\n            throw new DatabaseException(\"UnitOfWork.commit() failed: \" + e.getMessage(), e);\n        } catch (Exception e) {\n            rollbackQuietly(conn);\n            throw e;\n        } finally {\n            closeQuietly(conn);\n        }\n    }\n\n    @Override\n    public void rollback() {\n        // Відміна всіх ще не записаних змін — просто очистити реєстри\n        // JDBC-транзакція відкатується у commit() при виключенні\n        clearAll();\n    }\n\n    // ─── Приватні методи виконання SQL ────────────────────────────────────────\n\n    /**\n     * Виконує INSERT для всіх нових об'єктів у порядку залежностей:\n     * Author → Genre → Audiobook.\n     * FK: audiobooks.author_id → authors.id, audiobooks.genre_id → genres.id.\n     */\n    private void insertAll(Connection conn) {\n        // Спочатку батьківські таблиці\n        for (Object entity : newEntities) {\n            if (entity instanceof Author a)    authorRepository.save(a);\n        }\n        for (Object entity : newEntities) {\n            if (entity instanceof Genre g)     genreRepository.save(g);\n        }\n        // Потім дочірні таблиці\n        for (Object entity : newEntities) {\n            if (entity instanceof Audiobook b) audiobookRepository.save(b);\n        }\n    }\n\n    /**\n     * Виконує UPDATE для всіх змінених об'єктів.\n     * Порядок між UPDATE-операціями некритичний для FK.\n     */\n    private void updateAll(Connection conn) {\n        for (Object entity : dirtyEntities) {\n            if (entity instanceof Author a)    authorRepository.update(a);\n            else if (entity instanceof Genre g)     genreRepository.update(g);\n            else if (entity instanceof Audiobook b) audiobookRepository.update(b);\n        }\n    }\n\n    /**\n     * Виконує DELETE у зворотному порядку відносно INSERT:\n     * Audiobook → Genre → Author.\n     * Спочатку дочірні записи, що мають FK на батьківські.\n     */\n    private void deleteAll(Connection conn) {\n        // Спочатку дочірні\n        for (Object entity : deletedEntities) {\n            if (entity instanceof Audiobook b) audiobookRepository.deleteById(b.getId());\n        }\n        // Потім батьківські\n        for (Object entity : deletedEntities) {\n            if (entity instanceof Genre g)     genreRepository.deleteById(g.getId());\n        }\n        for (Object entity : deletedEntities) {\n            if (entity instanceof Author a)    authorRepository.deleteById(a.getId());\n        }\n    }\n\n    /** Очищає всі три реєстри після commit або rollback. */\n    private void clearAll() {\n        newEntities.clear();\n        dirtyEntities.clear();\n        deletedEntities.clear();\n    }\n\n    /** Тихо виконує ROLLBACK, ігноруючи виключення (для блоків catch/finally). */\n    private void rollbackQuietly(Connection conn) {\n        if (conn != null) {\n            try {\n                conn.rollback();\n            } catch (SQLException ignored) {\n                // Логування, але не перекидати — маскує оригінальне виключення\n            }\n        }\n    }\n\n    /** Тихо закриває з'єднання у блоці finally. */\n    private void closeQuietly(Connection conn) {\n        if (conn != null) {\n            try {\n                conn.setAutoCommit(true); // відновити режим auto-commit\n                conn.close();\n            } catch (SQLException ignored) {}\n        }\n    }\n\n    // ─── Доступ до стану для тестів та діагностики ───────────────────────────\n\n    public int newCount()     { return newEntities.size(); }\n    public int dirtyCount()   { return dirtyEntities.size(); }\n    public int deletedCount() { return deletedEntities.size(); }\n}\n",[2964,4053,4054,4060,4064,4072,4079,4086,4093,4100,4107,4114,4121,4125,4132,4139,4146,4153,4160,4167,4171,4175,4180,4184,4189,4202,4206,4211,4216,4221,4226,4231,4236,4241,4246,4250,4267,4271,4288,4292,4297,4302,4316,4330,4344,4348,4353,4358,4389,4414,4439,4443,4453,4463,4473,4483,4493,4506,4518,4530,4542,4547,4551,4559,4576,4581,4599,4611,4616,4621,4626,4631,4645,4652,4656,4669,4673,4677,4683,4699,4704,4718,4724,4731,4736,4751,4762,4771,4776,4788,4793,4798,4805,4822,4828,4844,4855,4860,4875,4887,4892,4897,4904,4921,4927,4933,4938,4943,4948,4953,4958,4964,4970,4976,4982,4988,4994,5000,5005,5012,5024,5040,5048,5063,5085,5090,5096,5105,5110,5116,5124,5129,5135,5143,5148,5164,5176,5181,5200,5208,5237,5253,5260,5268,5278,5286,5291,5296,5301,5308,5319,5325,5331,5339,5344,5349,5355,5360,5365,5371,5377,5383,5388,5407,5413,5431,5457,5462,5477,5500,5505,5511,5526,5549,5554,5559,5564,5569,5575,5581,5586,5604,5620,5642,5667,5690,5695,5700,5705,5710,5716,5722,5728,5733,5751,5757,5773,5806,5811,5817,5832,5862,5867,5882,5912,5917,5922,5927,5933,5945,5957,5968,5979,5984,5989,5995,6013,6025,6033,6046,6063,6069,6075,6080,6085,6090,6096,6114,6125,6132,6151,6163,6179,6184,6189,6194,6200,6205,6233,6257,6281],{"__ignoreMap":2978},[2982,4055,4056,4058],{"class":2984,"line":2985},[2982,4057,3457],{"class":3456},[2982,4059,3460],{"class":2996},[2982,4061,4062],{"class":2984,"line":3011},[2982,4063,3053],{"emptyLinePlaceholder":3052},[2982,4065,4066,4069],{"class":2984,"line":3030},[2982,4067,4068],{"class":3456},"import",[2982,4070,4071],{"class":2996}," com.example.audiobook.db.ConnectionManager;\n",[2982,4073,4074,4076],{"class":2984,"line":3049},[2982,4075,4068],{"class":3456},[2982,4077,4078],{"class":2996}," com.example.audiobook.db.DatabaseException;\n",[2982,4080,4081,4083],{"class":2984,"line":3056},[2982,4082,4068],{"class":3456},[2982,4084,4085],{"class":2996}," com.example.audiobook.domain.Author;\n",[2982,4087,4088,4090],{"class":2984,"line":3088},[2982,4089,4068],{"class":3456},[2982,4091,4092],{"class":2996}," com.example.audiobook.domain.Genre;\n",[2982,4094,4095,4097],{"class":2984,"line":3111},[2982,4096,4068],{"class":3456},[2982,4098,4099],{"class":2996}," com.example.audiobook.domain.Audiobook;\n",[2982,4101,4102,4104],{"class":2984,"line":3135},[2982,4103,4068],{"class":3456},[2982,4105,4106],{"class":2996}," com.example.audiobook.repository.AuthorRepository;\n",[2982,4108,4109,4111],{"class":2984,"line":3140},[2982,4110,4068],{"class":3456},[2982,4112,4113],{"class":2996}," com.example.audiobook.repository.AudiobookRepository;\n",[2982,4115,4116,4118],{"class":2984,"line":3147},[2982,4117,4068],{"class":3456},[2982,4119,4120],{"class":2996}," com.example.audiobook.repository.GenreRepository;\n",[2982,4122,4123],{"class":2984,"line":3165},[2982,4124,3053],{"emptyLinePlaceholder":3052},[2982,4126,4127,4129],{"class":2984,"line":3181},[2982,4128,4068],{"class":3456},[2982,4130,4131],{"class":2996}," java.sql.Connection;\n",[2982,4133,4134,4136],{"class":2984,"line":3368},[2982,4135,4068],{"class":3456},[2982,4137,4138],{"class":2996}," java.sql.SQLException;\n",[2982,4140,4141,4143],{"class":2984,"line":3374},[2982,4142,4068],{"class":3456},[2982,4144,4145],{"class":2996}," java.util.ArrayList;\n",[2982,4147,4148,4150],{"class":2984,"line":3537},[2982,4149,4068],{"class":3456},[2982,4151,4152],{"class":2996}," java.util.LinkedHashSet;\n",[2982,4154,4155,4157],{"class":2984,"line":3543},[2982,4156,4068],{"class":3456},[2982,4158,4159],{"class":2996}," java.util.List;\n",[2982,4161,4162,4164],{"class":2984,"line":3552},[2982,4163,4068],{"class":3456},[2982,4165,4166],{"class":2996}," java.util.SequencedSet;\n",[2982,4168,4169],{"class":2984,"line":3558},[2982,4170,3053],{"emptyLinePlaceholder":3052},[2982,4172,4173],{"class":2984,"line":3564},[2982,4174,3469],{"class":3143},[2982,4176,4177],{"class":2984,"line":3569},[2982,4178,4179],{"class":3143}," * JDBC-реалізація {@link UnitOfWork}.\n",[2982,4181,4182],{"class":2984,"line":3575},[2982,4183,3479],{"class":3143},[2982,4185,4186],{"class":2984,"line":3581},[2982,4187,4188],{"class":3143}," * Підтримує три внутрішніх списки об'єктів (new, dirty, deleted)\n",[2982,4190,4191,4194,4196,4198,4200],{"class":2984,"line":3587},[2982,4192,4193],{"class":3143}," * і виконує усі зміни в одній JDBC-транзакції при {",[2982,4195,3492],{"class":3456},[2982,4197,3495],{"class":3143},[2982,4199,3285],{"class":2992},[2982,4201,3500],{"class":3143},[2982,4203,4204],{"class":2984,"line":3593},[2982,4205,3479],{"class":3143},[2982,4207,4208],{"class":2984,"line":3599},[2982,4209,4210],{"class":3143}," * \u003Cb>Архітектурне рішення щодо порядку списків:\u003C/b>\n",[2982,4212,4213],{"class":2984,"line":3605},[2982,4214,4215],{"class":3143}," * Використовуємо {@link LinkedHashSet} замість звичайного {@code Set} або {@code List}:\n",[2982,4217,4218],{"class":2984,"line":3611},[2982,4219,4220],{"class":3143}," * \u003Cul>\n",[2982,4222,4223],{"class":2984,"line":3626},[2982,4224,4225],{"class":3143}," *   \u003Cli>Як {@code Set}: гарантує відсутність дублікатів (один об'єкт не може бути\n",[2982,4227,4228],{"class":2984,"line":3631},[2982,4229,4230],{"class":3143}," *       зареєстрований двічі у тому ж списку).\u003C/li>\n",[2982,4232,4233],{"class":2984,"line":3637},[2982,4234,4235],{"class":3143}," *   \u003Cli>Як {@code LinkedHash}: зберігає порядок вставки, що важливо для INSERT\n",[2982,4237,4238],{"class":2984,"line":3651},[2982,4239,4240],{"class":3143}," *       (батьківські сутності перед дочірніми).\u003C/li>\n",[2982,4242,4243],{"class":2984,"line":3657},[2982,4244,4245],{"class":3143}," * \u003C/ul>\n",[2982,4247,4248],{"class":2984,"line":3663},[2982,4249,3608],{"class":3143},[2982,4251,4252,4254,4257,4260,4263,4265],{"class":2984,"line":3678},[2982,4253,3614],{"class":3456},[2982,4255,4256],{"class":3456}," class",[2982,4258,4259],{"class":2988}," JdbcUnitOfWork",[2982,4261,4262],{"class":3456}," implements",[2982,4264,3620],{"class":2988},[2982,4266,3623],{"class":2996},[2982,4268,4269],{"class":2984,"line":3692},[2982,4270,3053],{"emptyLinePlaceholder":3052},[2982,4272,4273,4276,4279,4282,4285],{"class":2984,"line":3698},[2982,4274,4275],{"class":3456},"    private",[2982,4277,4278],{"class":3456}," final",[2982,4280,4281],{"class":2988}," ConnectionManager",[2982,4283,4284],{"class":2992}," connectionManager",[2982,4286,4287],{"class":2996},";\n",[2982,4289,4290],{"class":2984,"line":3716},[2982,4291,3053],{"emptyLinePlaceholder":3052},[2982,4293,4294],{"class":2984,"line":3721},[2982,4295,4296],{"class":3143},"    // Репозиторії для виконання SQL-операцій\n",[2982,4298,4299],{"class":2984,"line":3726},[2982,4300,4301],{"class":3143},"    // Передаються ззовні — UoW не знає, як саме виконується SQL\n",[2982,4303,4304,4306,4308,4311,4314],{"class":2984,"line":3732},[2982,4305,4275],{"class":3456},[2982,4307,4278],{"class":3456},[2982,4309,4310],{"class":2988}," AuthorRepository",[2982,4312,4313],{"class":2992},"    authorRepository",[2982,4315,4287],{"class":2996},[2982,4317,4318,4320,4322,4325,4328],{"class":2984,"line":3747},[2982,4319,4275],{"class":3456},[2982,4321,4278],{"class":3456},[2982,4323,4324],{"class":2988}," GenreRepository",[2982,4326,4327],{"class":2992},"     genreRepository",[2982,4329,4287],{"class":2996},[2982,4331,4332,4334,4336,4339,4342],{"class":2984,"line":3753},[2982,4333,4275],{"class":3456},[2982,4335,4278],{"class":3456},[2982,4337,4338],{"class":2988}," AudiobookRepository",[2982,4340,4341],{"class":2992}," audiobookRepository",[2982,4343,4287],{"class":2996},[2982,4345,4346],{"class":2984,"line":3758},[2982,4347,3053],{"emptyLinePlaceholder":3052},[2982,4349,4350],{"class":2984,"line":3770},[2982,4351,4352],{"class":3143},"    // Три списки відстеження змін\n",[2982,4354,4355],{"class":2984,"line":3775},[2982,4356,4357],{"class":3143},"    // LinkedHashSet: порядок вставки + без дублікатів\n",[2982,4359,4360,4362,4364,4367,4370,4372,4375,4378,4381,4383,4386],{"class":2984,"line":3791},[2982,4361,4275],{"class":3456},[2982,4363,4278],{"class":3456},[2982,4365,4366],{"class":2988}," SequencedSet",[2982,4368,4369],{"class":2996},"\u003C",[2982,4371,3709],{"class":2988},[2982,4373,4374],{"class":2996},"> ",[2982,4376,4377],{"class":2992},"newEntities",[2982,4379,4380],{"class":2996},"     = ",[2982,4382,3001],{"class":3000},[2982,4384,4385],{"class":2988}," LinkedHashSet",[2982,4387,4388],{"class":2996},"\u003C>();\n",[2982,4390,4391,4393,4395,4397,4399,4401,4403,4406,4408,4410,4412],{"class":2984,"line":3796},[2982,4392,4275],{"class":3456},[2982,4394,4278],{"class":3456},[2982,4396,4366],{"class":2988},[2982,4398,4369],{"class":2996},[2982,4400,3709],{"class":2988},[2982,4402,4374],{"class":2996},[2982,4404,4405],{"class":2992},"dirtyEntities",[2982,4407,3039],{"class":2996},[2982,4409,3001],{"class":3000},[2982,4411,4385],{"class":2988},[2982,4413,4388],{"class":2996},[2982,4415,4416,4418,4420,4422,4424,4426,4428,4431,4433,4435,4437],{"class":2984,"line":3801},[2982,4417,4275],{"class":3456},[2982,4419,4278],{"class":3456},[2982,4421,4366],{"class":2988},[2982,4423,4369],{"class":2996},[2982,4425,3709],{"class":2988},[2982,4427,4374],{"class":2996},[2982,4429,4430],{"class":2992},"deletedEntities",[2982,4432,2997],{"class":2996},[2982,4434,3001],{"class":3000},[2982,4436,4385],{"class":2988},[2982,4438,4388],{"class":2996},[2982,4440,4441],{"class":2984,"line":3815},[2982,4442,3053],{"emptyLinePlaceholder":3052},[2982,4444,4445,4448,4450],{"class":2984,"line":3829},[2982,4446,4447],{"class":3456},"    public",[2982,4449,4259],{"class":3004},[2982,4451,4452],{"class":2996},"(\n",[2982,4454,4455,4458,4460],{"class":2984,"line":3835},[2982,4456,4457],{"class":2988},"            ConnectionManager",[2982,4459,4284],{"class":2992},[2982,4461,4462],{"class":2996},",\n",[2982,4464,4465,4468,4471],{"class":2984,"line":3840},[2982,4466,4467],{"class":2988},"            AuthorRepository",[2982,4469,4470],{"class":2992}," authorRepository",[2982,4472,4462],{"class":2996},[2982,4474,4475,4478,4481],{"class":2984,"line":3852},[2982,4476,4477],{"class":2988},"            GenreRepository",[2982,4479,4480],{"class":2992}," genreRepository",[2982,4482,4462],{"class":2996},[2982,4484,4485,4488,4490],{"class":2984,"line":3857},[2982,4486,4487],{"class":2988},"            AudiobookRepository",[2982,4489,4341],{"class":2992},[2982,4491,4492],{"class":2996},") {\n",[2982,4494,4495,4498,4500,4503],{"class":2984,"line":3873},[2982,4496,4497],{"class":3456},"        this",[2982,4499,3153],{"class":2996},[2982,4501,4502],{"class":2992},"connectionManager",[2982,4504,4505],{"class":2996},"   = connectionManager;\n",[2982,4507,4508,4510,4512,4515],{"class":2984,"line":3878},[2982,4509,4497],{"class":3456},[2982,4511,3153],{"class":2996},[2982,4513,4514],{"class":2992},"authorRepository",[2982,4516,4517],{"class":2996},"    = authorRepository;\n",[2982,4519,4520,4522,4524,4527],{"class":2984,"line":3883},[2982,4521,4497],{"class":3456},[2982,4523,3153],{"class":2996},[2982,4525,4526],{"class":2992},"genreRepository",[2982,4528,4529],{"class":2996},"     = genreRepository;\n",[2982,4531,4532,4534,4536,4539],{"class":2984,"line":3889},[2982,4533,4497],{"class":3456},[2982,4535,3153],{"class":2996},[2982,4537,4538],{"class":2992},"audiobookRepository",[2982,4540,4541],{"class":2996}," = audiobookRepository;\n",[2982,4543,4544],{"class":2984,"line":3895},[2982,4545,4546],{"class":2996},"    }\n",[2982,4548,4549],{"class":2984,"line":3900},[2982,4550,3053],{"emptyLinePlaceholder":3052},[2982,4552,4553,4556],{"class":2984,"line":3912},[2982,4554,4555],{"class":2996},"    @",[2982,4557,4558],{"class":2988},"Override\n",[2982,4560,4561,4563,4566,4568,4570,4572,4574],{"class":2984,"line":3917},[2982,4562,4447],{"class":3456},[2982,4564,4565],{"class":2988}," void",[2982,4567,3704],{"class":3004},[2982,4569,3072],{"class":2996},[2982,4571,3709],{"class":2988},[2982,4573,3672],{"class":2992},[2982,4575,4492],{"class":2996},[2982,4577,4578],{"class":2984,"line":3933},[2982,4579,4580],{"class":3143},"        // Об'єкт не може бути одночасно «новим» і «видаленим»\n",[2982,4582,4583,4586,4589,4591,4593,4596],{"class":2984,"line":3938},[2982,4584,4585],{"class":3000},"        if",[2982,4587,4588],{"class":2996}," (",[2982,4590,4430],{"class":2992},[2982,4592,3153],{"class":2996},[2982,4594,4595],{"class":3004},"contains",[2982,4597,4598],{"class":2996},"(entity)) {\n",[2982,4600,4601,4604,4607,4609],{"class":2984,"line":3943},[2982,4602,4603],{"class":3000},"            throw",[2982,4605,4606],{"class":3000}," new",[2982,4608,3686],{"class":3004},[2982,4610,4452],{"class":2996},[2982,4612,4613],{"class":2984,"line":3949},[2982,4614,4615],{"class":3075},"                \"Неможливо зареєструвати як новий об'єкт, що вже позначений для видалення: \"\n",[2982,4617,4618],{"class":2984,"line":3955},[2982,4619,4620],{"class":2996},"                + entity);\n",[2982,4622,4623],{"class":2984,"line":3961},[2982,4624,4625],{"class":2996},"        }\n",[2982,4627,4628],{"class":2984,"line":3967},[2982,4629,4630],{"class":3143},"        // Якщо вже «брудний» — не додаємо, але й не кидаємо виключення\n",[2982,4632,4633,4635,4637,4639,4641,4643],{"class":2984,"line":3972},[2982,4634,4585],{"class":3000},[2982,4636,4588],{"class":2996},[2982,4638,4405],{"class":2992},[2982,4640,3153],{"class":2996},[2982,4642,4595],{"class":3004},[2982,4644,4598],{"class":2996},[2982,4646,4647,4650],{"class":2984,"line":3985},[2982,4648,4649],{"class":3000},"            return",[2982,4651,4287],{"class":2996},[2982,4653,4654],{"class":2984,"line":3990},[2982,4655,4625],{"class":2996},[2982,4657,4658,4661,4663,4666],{"class":2984,"line":4001},[2982,4659,4660],{"class":2992},"        newEntities",[2982,4662,3153],{"class":2996},[2982,4664,4665],{"class":3004},"add",[2982,4667,4668],{"class":2996},"(entity);\n",[2982,4670,4671],{"class":2984,"line":4006},[2982,4672,4546],{"class":2996},[2982,4674,4675],{"class":2984,"line":4011},[2982,4676,3053],{"emptyLinePlaceholder":3052},[2982,4678,4679,4681],{"class":2984,"line":4017},[2982,4680,4555],{"class":2996},[2982,4682,4558],{"class":2988},[2982,4684,4685,4687,4689,4691,4693,4695,4697],{"class":2984,"line":4023},[2982,4686,4447],{"class":3456},[2982,4688,4565],{"class":2988},[2982,4690,3780],{"class":3004},[2982,4692,3072],{"class":2996},[2982,4694,3709],{"class":2988},[2982,4696,3672],{"class":2992},[2982,4698,4492],{"class":2996},[2982,4700,4701],{"class":2984,"line":4028},[2982,4702,4703],{"class":3143},"        // Новий об'єкт може стати «брудним» тільки якщо він вже у БД\n",[2982,4705,4706,4708,4710,4712,4714,4716],{"class":2984,"line":4038},[2982,4707,4585],{"class":3000},[2982,4709,4588],{"class":2996},[2982,4711,4377],{"class":2992},[2982,4713,3153],{"class":2996},[2982,4715,4595],{"class":3004},[2982,4717,4598],{"class":2996},[2982,4719,4721],{"class":2984,"line":4720},80,[2982,4722,4723],{"class":3143},"            // Вже буде INSERT — окремий UPDATE не потрібен\n",[2982,4725,4727,4729],{"class":2984,"line":4726},81,[2982,4728,4649],{"class":3000},[2982,4730,4287],{"class":2996},[2982,4732,4734],{"class":2984,"line":4733},82,[2982,4735,4625],{"class":2996},[2982,4737,4739,4741,4743,4745,4747,4749],{"class":2984,"line":4738},83,[2982,4740,4585],{"class":3000},[2982,4742,4588],{"class":2996},[2982,4744,4430],{"class":2992},[2982,4746,3153],{"class":2996},[2982,4748,4595],{"class":3004},[2982,4750,4598],{"class":2996},[2982,4752,4754,4756,4758,4760],{"class":2984,"line":4753},84,[2982,4755,4603],{"class":3000},[2982,4757,4606],{"class":3000},[2982,4759,3686],{"class":3004},[2982,4761,4452],{"class":2996},[2982,4763,4765,4768],{"class":2984,"line":4764},85,[2982,4766,4767],{"class":3075},"                \"Неможливо оновити об'єкт, що вже позначений для видалення: \"",[2982,4769,4770],{"class":2996}," + entity);\n",[2982,4772,4774],{"class":2984,"line":4773},86,[2982,4775,4625],{"class":2996},[2982,4777,4779,4782,4784,4786],{"class":2984,"line":4778},87,[2982,4780,4781],{"class":2992},"        dirtyEntities",[2982,4783,3153],{"class":2996},[2982,4785,4665],{"class":3004},[2982,4787,4668],{"class":2996},[2982,4789,4791],{"class":2984,"line":4790},88,[2982,4792,4546],{"class":2996},[2982,4794,4796],{"class":2984,"line":4795},89,[2982,4797,3053],{"emptyLinePlaceholder":3052},[2982,4799,4801,4803],{"class":2984,"line":4800},90,[2982,4802,4555],{"class":2996},[2982,4804,4558],{"class":2988},[2982,4806,4808,4810,4812,4814,4816,4818,4820],{"class":2984,"line":4807},91,[2982,4809,4447],{"class":3456},[2982,4811,4565],{"class":2988},[2982,4813,3862],{"class":3004},[2982,4815,3072],{"class":2996},[2982,4817,3709],{"class":2988},[2982,4819,3672],{"class":2992},[2982,4821,4492],{"class":2996},[2982,4823,4825],{"class":2984,"line":4824},92,[2982,4826,4827],{"class":3143},"        // Якщо об'єкт був «новим» (ще не збережений у БД) — просто прибираємо\n",[2982,4829,4831,4833,4835,4837,4839,4842],{"class":2984,"line":4830},93,[2982,4832,4585],{"class":3000},[2982,4834,4588],{"class":2996},[2982,4836,4377],{"class":2992},[2982,4838,3153],{"class":2996},[2982,4840,4841],{"class":3004},"remove",[2982,4843,4598],{"class":2996},[2982,4845,4847,4849,4852],{"class":2984,"line":4846},94,[2982,4848,4649],{"class":3000},[2982,4850,4851],{"class":2996},"; ",[2982,4853,4854],{"class":3143},"// Жодного SQL не потрібно\n",[2982,4856,4858],{"class":2984,"line":4857},95,[2982,4859,4625],{"class":2996},[2982,4861,4863,4865,4867,4869,4872],{"class":2984,"line":4862},96,[2982,4864,4781],{"class":2992},[2982,4866,3153],{"class":2996},[2982,4868,4841],{"class":3004},[2982,4870,4871],{"class":2996},"(entity); ",[2982,4873,4874],{"class":3143},"// Прибрати з dirty — видалення замінює оновлення\n",[2982,4876,4878,4881,4883,4885],{"class":2984,"line":4877},97,[2982,4879,4880],{"class":2992},"        deletedEntities",[2982,4882,3153],{"class":2996},[2982,4884,4665],{"class":3004},[2982,4886,4668],{"class":2996},[2982,4888,4890],{"class":2984,"line":4889},98,[2982,4891,4546],{"class":2996},[2982,4893,4895],{"class":2984,"line":4894},99,[2982,4896,3053],{"emptyLinePlaceholder":3052},[2982,4898,4900,4902],{"class":2984,"line":4899},100,[2982,4901,4555],{"class":2996},[2982,4903,4558],{"class":2988},[2982,4905,4907,4909,4911,4913,4915,4917,4919],{"class":2984,"line":4906},101,[2982,4908,4447],{"class":3456},[2982,4910,4565],{"class":2988},[2982,4912,3922],{"class":3004},[2982,4914,3072],{"class":2996},[2982,4916,3709],{"class":2988},[2982,4918,3672],{"class":2992},[2982,4920,4492],{"class":2996},[2982,4922,4924],{"class":2984,"line":4923},102,[2982,4925,4926],{"class":3143},"        // Чисті об'єкти не потребують жодних SQL-операцій\n",[2982,4928,4930],{"class":2984,"line":4929},103,[2982,4931,4932],{"class":3143},"        // Цей метод може використовуватись Identity Map для обліку\n",[2982,4934,4936],{"class":2984,"line":4935},104,[2982,4937,4546],{"class":2996},[2982,4939,4941],{"class":2984,"line":4940},105,[2982,4942,3053],{"emptyLinePlaceholder":3052},[2982,4944,4946],{"class":2984,"line":4945},106,[2982,4947,3634],{"class":3143},[2982,4949,4951],{"class":2984,"line":4950},107,[2982,4952,3946],{"class":3143},[2982,4954,4956],{"class":2984,"line":4955},108,[2982,4957,3952],{"class":3143},[2982,4959,4961],{"class":2984,"line":4960},109,[2982,4962,4963],{"class":3143},"     * \u003Cb>Порядок виконання строго визначений:\u003C/b>\n",[2982,4965,4967],{"class":2984,"line":4966},110,[2982,4968,4969],{"class":3143},"     * \u003Col>\n",[2982,4971,4973],{"class":2984,"line":4972},111,[2982,4974,4975],{"class":3143},"     *   \u003Cli>INSERT нових сутностей (authors → genres → audiobooks)\u003C/li>\n",[2982,4977,4979],{"class":2984,"line":4978},112,[2982,4980,4981],{"class":3143},"     *   \u003Cli>UPDATE змінених сутностей\u003C/li>\n",[2982,4983,4985],{"class":2984,"line":4984},113,[2982,4986,4987],{"class":3143},"     *   \u003Cli>DELETE видалених сутностей (audiobooks → genres → authors)\u003C/li>\n",[2982,4989,4991],{"class":2984,"line":4990},114,[2982,4992,4993],{"class":3143},"     * \u003C/ol>\n",[2982,4995,4997],{"class":2984,"line":4996},115,[2982,4998,4999],{"class":3143},"     * Цей порядок забезпечує дотримання FK-обмежень.\n",[2982,5001,5003],{"class":2984,"line":5002},116,[2982,5004,3695],{"class":3143},[2982,5006,5008,5010],{"class":2984,"line":5007},117,[2982,5009,4555],{"class":2996},[2982,5011,4558],{"class":2988},[2982,5013,5015,5017,5019,5021],{"class":2984,"line":5014},118,[2982,5016,4447],{"class":3456},[2982,5018,4565],{"class":2988},[2982,5020,3995],{"class":3004},[2982,5022,5023],{"class":2996},"() {\n",[2982,5025,5027,5030,5033,5035,5038],{"class":2984,"line":5026},119,[2982,5028,5029],{"class":2988},"        Connection",[2982,5031,5032],{"class":2992}," conn",[2982,5034,2997],{"class":2996},[2982,5036,5037],{"class":3456},"null",[2982,5039,4287],{"class":2996},[2982,5041,5043,5046],{"class":2984,"line":5042},120,[2982,5044,5045],{"class":3000},"        try",[2982,5047,3623],{"class":2996},[2982,5049,5051,5054,5056,5058,5061],{"class":2984,"line":5050},121,[2982,5052,5053],{"class":2996},"            conn = ",[2982,5055,4502],{"class":2992},[2982,5057,3153],{"class":2996},[2982,5059,5060],{"class":3004},"getConnection",[2982,5062,3998],{"class":2996},[2982,5064,5066,5069,5071,5074,5076,5079,5082],{"class":2984,"line":5065},122,[2982,5067,5068],{"class":2992},"            conn",[2982,5070,3153],{"class":2996},[2982,5072,5073],{"class":3004},"setAutoCommit",[2982,5075,3072],{"class":2996},[2982,5077,5078],{"class":3456},"false",[2982,5080,5081],{"class":2996},"); ",[2982,5083,5084],{"class":3143},"// починаємо транзакцію явно\n",[2982,5086,5088],{"class":2984,"line":5087},123,[2982,5089,3053],{"emptyLinePlaceholder":3052},[2982,5091,5093],{"class":2984,"line":5092},124,[2982,5094,5095],{"class":3143},"            // Крок 1: INSERT нових об'єктів у правильному порядку\n",[2982,5097,5099,5102],{"class":2984,"line":5098},125,[2982,5100,5101],{"class":3004},"            insertAll",[2982,5103,5104],{"class":2996},"(conn);\n",[2982,5106,5108],{"class":2984,"line":5107},126,[2982,5109,3053],{"emptyLinePlaceholder":3052},[2982,5111,5113],{"class":2984,"line":5112},127,[2982,5114,5115],{"class":3143},"            // Крок 2: UPDATE змінених об'єктів\n",[2982,5117,5119,5122],{"class":2984,"line":5118},128,[2982,5120,5121],{"class":3004},"            updateAll",[2982,5123,5104],{"class":2996},[2982,5125,5127],{"class":2984,"line":5126},129,[2982,5128,3053],{"emptyLinePlaceholder":3052},[2982,5130,5132],{"class":2984,"line":5131},130,[2982,5133,5134],{"class":3143},"            // Крок 3: DELETE видалених об'єктів у зворотному порядку FK\n",[2982,5136,5138,5141],{"class":2984,"line":5137},131,[2982,5139,5140],{"class":3004},"            deleteAll",[2982,5142,5104],{"class":2996},[2982,5144,5146],{"class":2984,"line":5145},132,[2982,5147,3053],{"emptyLinePlaceholder":3052},[2982,5149,5151,5153,5155,5158,5161],{"class":2984,"line":5150},133,[2982,5152,5068],{"class":2992},[2982,5154,3153],{"class":2996},[2982,5156,5157],{"class":3004},"commit",[2982,5159,5160],{"class":2996},"(); ",[2982,5162,5163],{"class":3143},"// ← єдиний COMMIT для всіх операцій\n",[2982,5165,5167,5170,5173],{"class":2984,"line":5166},134,[2982,5168,5169],{"class":3004},"            clearAll",[2982,5171,5172],{"class":2996},"();    ",[2982,5174,5175],{"class":3143},"// очистити реєстри після успішної фіксації\n",[2982,5177,5179],{"class":2984,"line":5178},135,[2982,5180,3053],{"emptyLinePlaceholder":3052},[2982,5182,5184,5187,5190,5192,5195,5198],{"class":2984,"line":5183},136,[2982,5185,5186],{"class":2996},"        } ",[2982,5188,5189],{"class":3000},"catch",[2982,5191,4588],{"class":2996},[2982,5193,5194],{"class":2988},"SQLException",[2982,5196,5197],{"class":2992}," e",[2982,5199,4492],{"class":2996},[2982,5201,5203,5206],{"class":2984,"line":5202},137,[2982,5204,5205],{"class":3004},"            rollbackQuietly",[2982,5207,5104],{"class":2996},[2982,5209,5211,5213,5215,5218,5220,5223,5226,5229,5231,5234],{"class":2984,"line":5210},138,[2982,5212,4603],{"class":3000},[2982,5214,4606],{"class":3000},[2982,5216,5217],{"class":3004}," DatabaseException",[2982,5219,3072],{"class":2996},[2982,5221,5222],{"class":3075},"\"UnitOfWork.commit() failed: \"",[2982,5224,5225],{"class":2996}," + ",[2982,5227,5228],{"class":2992},"e",[2982,5230,3153],{"class":2996},[2982,5232,5233],{"class":3004},"getMessage",[2982,5235,5236],{"class":2996},"(), e);\n",[2982,5238,5240,5242,5244,5246,5249,5251],{"class":2984,"line":5239},139,[2982,5241,5186],{"class":2996},[2982,5243,5189],{"class":3000},[2982,5245,4588],{"class":2996},[2982,5247,5248],{"class":2988},"Exception",[2982,5250,5197],{"class":2992},[2982,5252,4492],{"class":2996},[2982,5254,5256,5258],{"class":2984,"line":5255},140,[2982,5257,5205],{"class":3004},[2982,5259,5104],{"class":2996},[2982,5261,5263,5265],{"class":2984,"line":5262},141,[2982,5264,4603],{"class":3000},[2982,5266,5267],{"class":2996}," e;\n",[2982,5269,5271,5273,5276],{"class":2984,"line":5270},142,[2982,5272,5186],{"class":2996},[2982,5274,5275],{"class":3000},"finally",[2982,5277,3623],{"class":2996},[2982,5279,5281,5284],{"class":2984,"line":5280},143,[2982,5282,5283],{"class":3004},"            closeQuietly",[2982,5285,5104],{"class":2996},[2982,5287,5289],{"class":2984,"line":5288},144,[2982,5290,4625],{"class":2996},[2982,5292,5294],{"class":2984,"line":5293},145,[2982,5295,4546],{"class":2996},[2982,5297,5299],{"class":2984,"line":5298},146,[2982,5300,3053],{"emptyLinePlaceholder":3052},[2982,5302,5304,5306],{"class":2984,"line":5303},147,[2982,5305,4555],{"class":2996},[2982,5307,4558],{"class":2988},[2982,5309,5311,5313,5315,5317],{"class":2984,"line":5310},148,[2982,5312,4447],{"class":3456},[2982,5314,4565],{"class":2988},[2982,5316,4033],{"class":3004},[2982,5318,5023],{"class":2996},[2982,5320,5322],{"class":2984,"line":5321},149,[2982,5323,5324],{"class":3143},"        // Відміна всіх ще не записаних змін — просто очистити реєстри\n",[2982,5326,5328],{"class":2984,"line":5327},150,[2982,5329,5330],{"class":3143},"        // JDBC-транзакція відкатується у commit() при виключенні\n",[2982,5332,5334,5337],{"class":2984,"line":5333},151,[2982,5335,5336],{"class":3004},"        clearAll",[2982,5338,3998],{"class":2996},[2982,5340,5342],{"class":2984,"line":5341},152,[2982,5343,4546],{"class":2996},[2982,5345,5347],{"class":2984,"line":5346},153,[2982,5348,3053],{"emptyLinePlaceholder":3052},[2982,5350,5352],{"class":2984,"line":5351},154,[2982,5353,5354],{"class":3143},"    // ─── Приватні методи виконання SQL ────────────────────────────────────────\n",[2982,5356,5358],{"class":2984,"line":5357},155,[2982,5359,3053],{"emptyLinePlaceholder":3052},[2982,5361,5363],{"class":2984,"line":5362},156,[2982,5364,3634],{"class":3143},[2982,5366,5368],{"class":2984,"line":5367},157,[2982,5369,5370],{"class":3143},"     * Виконує INSERT для всіх нових об'єктів у порядку залежностей:\n",[2982,5372,5374],{"class":2984,"line":5373},158,[2982,5375,5376],{"class":3143},"     * Author → Genre → Audiobook.\n",[2982,5378,5380],{"class":2984,"line":5379},159,[2982,5381,5382],{"class":3143},"     * FK: audiobooks.author_id → authors.id, audiobooks.genre_id → genres.id.\n",[2982,5384,5386],{"class":2984,"line":5385},160,[2982,5387,3695],{"class":3143},[2982,5389,5391,5393,5395,5398,5400,5403,5405],{"class":2984,"line":5390},161,[2982,5392,4275],{"class":3456},[2982,5394,4565],{"class":2988},[2982,5396,5397],{"class":3004}," insertAll",[2982,5399,3072],{"class":2996},[2982,5401,5402],{"class":2988},"Connection",[2982,5404,5032],{"class":2992},[2982,5406,4492],{"class":2996},[2982,5408,5410],{"class":2984,"line":5409},162,[2982,5411,5412],{"class":3143},"        // Спочатку батьківські таблиці\n",[2982,5414,5416,5419,5421,5423,5425,5428],{"class":2984,"line":5415},163,[2982,5417,5418],{"class":3000},"        for",[2982,5420,4588],{"class":2996},[2982,5422,3709],{"class":2988},[2982,5424,3672],{"class":2992},[2982,5426,5427],{"class":3000}," :",[2982,5429,5430],{"class":2996}," newEntities) {\n",[2982,5432,5434,5437,5440,5443,5445,5448,5450,5452,5454],{"class":2984,"line":5433},164,[2982,5435,5436],{"class":3000},"            if",[2982,5438,5439],{"class":2996}," (entity ",[2982,5441,5442],{"class":3456},"instanceof",[2982,5444,3069],{"class":2988},[2982,5446,5447],{"class":2996}," a)    ",[2982,5449,4514],{"class":2992},[2982,5451,3153],{"class":2996},[2982,5453,3156],{"class":3004},[2982,5455,5456],{"class":2996},"(a);\n",[2982,5458,5460],{"class":2984,"line":5459},165,[2982,5461,4625],{"class":2996},[2982,5463,5465,5467,5469,5471,5473,5475],{"class":2984,"line":5464},166,[2982,5466,5418],{"class":3000},[2982,5468,4588],{"class":2996},[2982,5470,3709],{"class":2988},[2982,5472,3672],{"class":2992},[2982,5474,5427],{"class":3000},[2982,5476,5430],{"class":2996},[2982,5478,5480,5482,5484,5486,5488,5491,5493,5495,5497],{"class":2984,"line":5479},167,[2982,5481,5436],{"class":3000},[2982,5483,5439],{"class":2996},[2982,5485,5442],{"class":3456},[2982,5487,3101],{"class":2988},[2982,5489,5490],{"class":2996}," g)     ",[2982,5492,4526],{"class":2992},[2982,5494,3153],{"class":2996},[2982,5496,3156],{"class":3004},[2982,5498,5499],{"class":2996},"(g);\n",[2982,5501,5503],{"class":2984,"line":5502},168,[2982,5504,4625],{"class":2996},[2982,5506,5508],{"class":2984,"line":5507},169,[2982,5509,5510],{"class":3143},"        // Потім дочірні таблиці\n",[2982,5512,5514,5516,5518,5520,5522,5524],{"class":2984,"line":5513},170,[2982,5515,5418],{"class":3000},[2982,5517,4588],{"class":2996},[2982,5519,3709],{"class":2988},[2982,5521,3672],{"class":2992},[2982,5523,5427],{"class":3000},[2982,5525,5430],{"class":2996},[2982,5527,5529,5531,5533,5535,5537,5540,5542,5544,5546],{"class":2984,"line":5528},171,[2982,5530,5436],{"class":3000},[2982,5532,5439],{"class":2996},[2982,5534,5442],{"class":3456},[2982,5536,3124],{"class":2988},[2982,5538,5539],{"class":2996}," b) ",[2982,5541,4538],{"class":2992},[2982,5543,3153],{"class":2996},[2982,5545,3156],{"class":3004},[2982,5547,5548],{"class":2996},"(b);\n",[2982,5550,5552],{"class":2984,"line":5551},172,[2982,5553,4625],{"class":2996},[2982,5555,5557],{"class":2984,"line":5556},173,[2982,5558,4546],{"class":2996},[2982,5560,5562],{"class":2984,"line":5561},174,[2982,5563,3053],{"emptyLinePlaceholder":3052},[2982,5565,5567],{"class":2984,"line":5566},175,[2982,5568,3634],{"class":3143},[2982,5570,5572],{"class":2984,"line":5571},176,[2982,5573,5574],{"class":3143},"     * Виконує UPDATE для всіх змінених об'єктів.\n",[2982,5576,5578],{"class":2984,"line":5577},177,[2982,5579,5580],{"class":3143},"     * Порядок між UPDATE-операціями некритичний для FK.\n",[2982,5582,5584],{"class":2984,"line":5583},178,[2982,5585,3695],{"class":3143},[2982,5587,5589,5591,5593,5596,5598,5600,5602],{"class":2984,"line":5588},179,[2982,5590,4275],{"class":3456},[2982,5592,4565],{"class":2988},[2982,5594,5595],{"class":3004}," updateAll",[2982,5597,3072],{"class":2996},[2982,5599,5402],{"class":2988},[2982,5601,5032],{"class":2992},[2982,5603,4492],{"class":2996},[2982,5605,5607,5609,5611,5613,5615,5617],{"class":2984,"line":5606},180,[2982,5608,5418],{"class":3000},[2982,5610,4588],{"class":2996},[2982,5612,3709],{"class":2988},[2982,5614,3672],{"class":2992},[2982,5616,5427],{"class":3000},[2982,5618,5619],{"class":2996}," dirtyEntities) {\n",[2982,5621,5623,5625,5627,5629,5631,5633,5635,5637,5640],{"class":2984,"line":5622},181,[2982,5624,5436],{"class":3000},[2982,5626,5439],{"class":2996},[2982,5628,5442],{"class":3456},[2982,5630,3069],{"class":2988},[2982,5632,5447],{"class":2996},[2982,5634,4514],{"class":2992},[2982,5636,3153],{"class":2996},[2982,5638,5639],{"class":3004},"update",[2982,5641,5456],{"class":2996},[2982,5643,5645,5648,5651,5653,5655,5657,5659,5661,5663,5665],{"class":2984,"line":5644},182,[2982,5646,5647],{"class":3000},"            else",[2982,5649,5650],{"class":3000}," if",[2982,5652,5439],{"class":2996},[2982,5654,5442],{"class":3456},[2982,5656,3101],{"class":2988},[2982,5658,5490],{"class":2996},[2982,5660,4526],{"class":2992},[2982,5662,3153],{"class":2996},[2982,5664,5639],{"class":3004},[2982,5666,5499],{"class":2996},[2982,5668,5670,5672,5674,5676,5678,5680,5682,5684,5686,5688],{"class":2984,"line":5669},183,[2982,5671,5647],{"class":3000},[2982,5673,5650],{"class":3000},[2982,5675,5439],{"class":2996},[2982,5677,5442],{"class":3456},[2982,5679,3124],{"class":2988},[2982,5681,5539],{"class":2996},[2982,5683,4538],{"class":2992},[2982,5685,3153],{"class":2996},[2982,5687,5639],{"class":3004},[2982,5689,5548],{"class":2996},[2982,5691,5693],{"class":2984,"line":5692},184,[2982,5694,4625],{"class":2996},[2982,5696,5698],{"class":2984,"line":5697},185,[2982,5699,4546],{"class":2996},[2982,5701,5703],{"class":2984,"line":5702},186,[2982,5704,3053],{"emptyLinePlaceholder":3052},[2982,5706,5708],{"class":2984,"line":5707},187,[2982,5709,3634],{"class":3143},[2982,5711,5713],{"class":2984,"line":5712},188,[2982,5714,5715],{"class":3143},"     * Виконує DELETE у зворотному порядку відносно INSERT:\n",[2982,5717,5719],{"class":2984,"line":5718},189,[2982,5720,5721],{"class":3143},"     * Audiobook → Genre → Author.\n",[2982,5723,5725],{"class":2984,"line":5724},190,[2982,5726,5727],{"class":3143},"     * Спочатку дочірні записи, що мають FK на батьківські.\n",[2982,5729,5731],{"class":2984,"line":5730},191,[2982,5732,3695],{"class":3143},[2982,5734,5736,5738,5740,5743,5745,5747,5749],{"class":2984,"line":5735},192,[2982,5737,4275],{"class":3456},[2982,5739,4565],{"class":2988},[2982,5741,5742],{"class":3004}," deleteAll",[2982,5744,3072],{"class":2996},[2982,5746,5402],{"class":2988},[2982,5748,5032],{"class":2992},[2982,5750,4492],{"class":2996},[2982,5752,5754],{"class":2984,"line":5753},193,[2982,5755,5756],{"class":3143},"        // Спочатку дочірні\n",[2982,5758,5760,5762,5764,5766,5768,5770],{"class":2984,"line":5759},194,[2982,5761,5418],{"class":3000},[2982,5763,4588],{"class":2996},[2982,5765,3709],{"class":2988},[2982,5767,3672],{"class":2992},[2982,5769,5427],{"class":3000},[2982,5771,5772],{"class":2996}," deletedEntities) {\n",[2982,5774,5776,5778,5780,5782,5784,5786,5788,5790,5793,5795,5798,5800,5803],{"class":2984,"line":5775},195,[2982,5777,5436],{"class":3000},[2982,5779,5439],{"class":2996},[2982,5781,5442],{"class":3456},[2982,5783,3124],{"class":2988},[2982,5785,5539],{"class":2996},[2982,5787,4538],{"class":2992},[2982,5789,3153],{"class":2996},[2982,5791,5792],{"class":3004},"deleteById",[2982,5794,3072],{"class":2996},[2982,5796,5797],{"class":2992},"b",[2982,5799,3153],{"class":2996},[2982,5801,5802],{"class":3004},"getId",[2982,5804,5805],{"class":2996},"());\n",[2982,5807,5809],{"class":2984,"line":5808},196,[2982,5810,4625],{"class":2996},[2982,5812,5814],{"class":2984,"line":5813},197,[2982,5815,5816],{"class":3143},"        // Потім батьківські\n",[2982,5818,5820,5822,5824,5826,5828,5830],{"class":2984,"line":5819},198,[2982,5821,5418],{"class":3000},[2982,5823,4588],{"class":2996},[2982,5825,3709],{"class":2988},[2982,5827,3672],{"class":2992},[2982,5829,5427],{"class":3000},[2982,5831,5772],{"class":2996},[2982,5833,5835,5837,5839,5841,5843,5845,5847,5849,5851,5853,5856,5858,5860],{"class":2984,"line":5834},199,[2982,5836,5436],{"class":3000},[2982,5838,5439],{"class":2996},[2982,5840,5442],{"class":3456},[2982,5842,3101],{"class":2988},[2982,5844,5490],{"class":2996},[2982,5846,4526],{"class":2992},[2982,5848,3153],{"class":2996},[2982,5850,5792],{"class":3004},[2982,5852,3072],{"class":2996},[2982,5854,5855],{"class":2992},"g",[2982,5857,3153],{"class":2996},[2982,5859,5802],{"class":3004},[2982,5861,5805],{"class":2996},[2982,5863,5865],{"class":2984,"line":5864},200,[2982,5866,4625],{"class":2996},[2982,5868,5870,5872,5874,5876,5878,5880],{"class":2984,"line":5869},201,[2982,5871,5418],{"class":3000},[2982,5873,4588],{"class":2996},[2982,5875,3709],{"class":2988},[2982,5877,3672],{"class":2992},[2982,5879,5427],{"class":3000},[2982,5881,5772],{"class":2996},[2982,5883,5885,5887,5889,5891,5893,5895,5897,5899,5901,5903,5906,5908,5910],{"class":2984,"line":5884},202,[2982,5886,5436],{"class":3000},[2982,5888,5439],{"class":2996},[2982,5890,5442],{"class":3456},[2982,5892,3069],{"class":2988},[2982,5894,5447],{"class":2996},[2982,5896,4514],{"class":2992},[2982,5898,3153],{"class":2996},[2982,5900,5792],{"class":3004},[2982,5902,3072],{"class":2996},[2982,5904,5905],{"class":2992},"a",[2982,5907,3153],{"class":2996},[2982,5909,5802],{"class":3004},[2982,5911,5805],{"class":2996},[2982,5913,5915],{"class":2984,"line":5914},203,[2982,5916,4625],{"class":2996},[2982,5918,5920],{"class":2984,"line":5919},204,[2982,5921,4546],{"class":2996},[2982,5923,5925],{"class":2984,"line":5924},205,[2982,5926,3053],{"emptyLinePlaceholder":3052},[2982,5928,5930],{"class":2984,"line":5929},206,[2982,5931,5932],{"class":3143},"    /** Очищає всі три реєстри після commit або rollback. */\n",[2982,5934,5936,5938,5940,5943],{"class":2984,"line":5935},207,[2982,5937,4275],{"class":3456},[2982,5939,4565],{"class":2988},[2982,5941,5942],{"class":3004}," clearAll",[2982,5944,5023],{"class":2996},[2982,5946,5948,5950,5952,5955],{"class":2984,"line":5947},208,[2982,5949,4660],{"class":2992},[2982,5951,3153],{"class":2996},[2982,5953,5954],{"class":3004},"clear",[2982,5956,3998],{"class":2996},[2982,5958,5960,5962,5964,5966],{"class":2984,"line":5959},209,[2982,5961,4781],{"class":2992},[2982,5963,3153],{"class":2996},[2982,5965,5954],{"class":3004},[2982,5967,3998],{"class":2996},[2982,5969,5971,5973,5975,5977],{"class":2984,"line":5970},210,[2982,5972,4880],{"class":2992},[2982,5974,3153],{"class":2996},[2982,5976,5954],{"class":3004},[2982,5978,3998],{"class":2996},[2982,5980,5982],{"class":2984,"line":5981},211,[2982,5983,4546],{"class":2996},[2982,5985,5987],{"class":2984,"line":5986},212,[2982,5988,3053],{"emptyLinePlaceholder":3052},[2982,5990,5992],{"class":2984,"line":5991},213,[2982,5993,5994],{"class":3143},"    /** Тихо виконує ROLLBACK, ігноруючи виключення (для блоків catch/finally). */\n",[2982,5996,5998,6000,6002,6005,6007,6009,6011],{"class":2984,"line":5997},214,[2982,5999,4275],{"class":3456},[2982,6001,4565],{"class":2988},[2982,6003,6004],{"class":3004}," rollbackQuietly",[2982,6006,3072],{"class":2996},[2982,6008,5402],{"class":2988},[2982,6010,5032],{"class":2992},[2982,6012,4492],{"class":2996},[2982,6014,6016,6018,6021,6023],{"class":2984,"line":6015},215,[2982,6017,4585],{"class":3000},[2982,6019,6020],{"class":2996}," (conn != ",[2982,6022,5037],{"class":3456},[2982,6024,4492],{"class":2996},[2982,6026,6028,6031],{"class":2984,"line":6027},216,[2982,6029,6030],{"class":3000},"            try",[2982,6032,3623],{"class":2996},[2982,6034,6036,6039,6041,6044],{"class":2984,"line":6035},217,[2982,6037,6038],{"class":2992},"                conn",[2982,6040,3153],{"class":2996},[2982,6042,6043],{"class":3004},"rollback",[2982,6045,3998],{"class":2996},[2982,6047,6049,6052,6054,6056,6058,6061],{"class":2984,"line":6048},218,[2982,6050,6051],{"class":2996},"            } ",[2982,6053,5189],{"class":3000},[2982,6055,4588],{"class":2996},[2982,6057,5194],{"class":2988},[2982,6059,6060],{"class":2992}," ignored",[2982,6062,4492],{"class":2996},[2982,6064,6066],{"class":2984,"line":6065},219,[2982,6067,6068],{"class":3143},"                // Логування, але не перекидати — маскує оригінальне виключення\n",[2982,6070,6072],{"class":2984,"line":6071},220,[2982,6073,6074],{"class":2996},"            }\n",[2982,6076,6078],{"class":2984,"line":6077},221,[2982,6079,4625],{"class":2996},[2982,6081,6083],{"class":2984,"line":6082},222,[2982,6084,4546],{"class":2996},[2982,6086,6088],{"class":2984,"line":6087},223,[2982,6089,3053],{"emptyLinePlaceholder":3052},[2982,6091,6093],{"class":2984,"line":6092},224,[2982,6094,6095],{"class":3143},"    /** Тихо закриває з'єднання у блоці finally. */\n",[2982,6097,6099,6101,6103,6106,6108,6110,6112],{"class":2984,"line":6098},225,[2982,6100,4275],{"class":3456},[2982,6102,4565],{"class":2988},[2982,6104,6105],{"class":3004}," closeQuietly",[2982,6107,3072],{"class":2996},[2982,6109,5402],{"class":2988},[2982,6111,5032],{"class":2992},[2982,6113,4492],{"class":2996},[2982,6115,6117,6119,6121,6123],{"class":2984,"line":6116},226,[2982,6118,4585],{"class":3000},[2982,6120,6020],{"class":2996},[2982,6122,5037],{"class":3456},[2982,6124,4492],{"class":2996},[2982,6126,6128,6130],{"class":2984,"line":6127},227,[2982,6129,6030],{"class":3000},[2982,6131,3623],{"class":2996},[2982,6133,6135,6137,6139,6141,6143,6146,6148],{"class":2984,"line":6134},228,[2982,6136,6038],{"class":2992},[2982,6138,3153],{"class":2996},[2982,6140,5073],{"class":3004},[2982,6142,3072],{"class":2996},[2982,6144,6145],{"class":3456},"true",[2982,6147,5081],{"class":2996},[2982,6149,6150],{"class":3143},"// відновити режим auto-commit\n",[2982,6152,6154,6156,6158,6161],{"class":2984,"line":6153},229,[2982,6155,6038],{"class":2992},[2982,6157,3153],{"class":2996},[2982,6159,6160],{"class":3004},"close",[2982,6162,3998],{"class":2996},[2982,6164,6166,6168,6170,6172,6174,6176],{"class":2984,"line":6165},230,[2982,6167,6051],{"class":2996},[2982,6169,5189],{"class":3000},[2982,6171,4588],{"class":2996},[2982,6173,5194],{"class":2988},[2982,6175,6060],{"class":2992},[2982,6177,6178],{"class":2996},") {}\n",[2982,6180,6182],{"class":2984,"line":6181},231,[2982,6183,4625],{"class":2996},[2982,6185,6187],{"class":2984,"line":6186},232,[2982,6188,4546],{"class":2996},[2982,6190,6192],{"class":2984,"line":6191},233,[2982,6193,3053],{"emptyLinePlaceholder":3052},[2982,6195,6197],{"class":2984,"line":6196},234,[2982,6198,6199],{"class":3143},"    // ─── Доступ до стану для тестів та діагностики ───────────────────────────\n",[2982,6201,6203],{"class":2984,"line":6202},235,[2982,6204,3053],{"emptyLinePlaceholder":3052},[2982,6206,6208,6210,6213,6216,6219,6222,6225,6227,6230],{"class":2984,"line":6207},236,[2982,6209,4447],{"class":3456},[2982,6211,6212],{"class":2988}," int",[2982,6214,6215],{"class":3004}," newCount",[2982,6217,6218],{"class":2996},"()     { ",[2982,6220,6221],{"class":3000},"return",[2982,6223,6224],{"class":2992}," newEntities",[2982,6226,3153],{"class":2996},[2982,6228,6229],{"class":3004},"size",[2982,6231,6232],{"class":2996},"(); }\n",[2982,6234,6236,6238,6240,6243,6246,6248,6251,6253,6255],{"class":2984,"line":6235},237,[2982,6237,4447],{"class":3456},[2982,6239,6212],{"class":2988},[2982,6241,6242],{"class":3004}," dirtyCount",[2982,6244,6245],{"class":2996},"()   { ",[2982,6247,6221],{"class":3000},[2982,6249,6250],{"class":2992}," dirtyEntities",[2982,6252,3153],{"class":2996},[2982,6254,6229],{"class":3004},[2982,6256,6232],{"class":2996},[2982,6258,6260,6262,6264,6267,6270,6272,6275,6277,6279],{"class":2984,"line":6259},238,[2982,6261,4447],{"class":3456},[2982,6263,6212],{"class":2988},[2982,6265,6266],{"class":3004}," deletedCount",[2982,6268,6269],{"class":2996},"() { ",[2982,6271,6221],{"class":3000},[2982,6273,6274],{"class":2992}," deletedEntities",[2982,6276,3153],{"class":2996},[2982,6278,6229],{"class":3004},[2982,6280,6232],{"class":2996},[2982,6282,6284],{"class":2984,"line":6283},239,[2982,6285,4041],{"class":2996},[3246,6287],{},[2959,6289,6291],{"id":6290},"анатомія-ключових-методів","Анатомія ключових методів",[3292,6293,6295,6298,6299,6302],{"id":6294},"registernew-та-registerdeleted-взаємозвязок-станів",[2964,6296,6297],{},"registerNew()"," та ",[2964,6300,6301],{},"registerDeleted()",": Взаємозв'язок станів",[2969,6304,6305,6306,6309],{},"Методи реєстрації реалізують чіткий ",[3217,6307,6308],{},"автомат станів",", що унеможливлює логічно суперечливі комбінації. Розглянемо, які комбінації допустимі:",[6311,6312,6313,6332],"table",{},[6314,6315,6316],"thead",{},[6317,6318,6319,6323,6326,6329],"tr",{},[6320,6321,6322],"th",{},"Поточний стан",[6320,6324,6325],{},"registerNew",[6320,6327,6328],{},"registerDirty",[6320,6330,6331],{},"registerDeleted",[6333,6334,6335,6350,6368,6385],"tbody",{},[6317,6336,6337,6341,6344,6347],{},[6338,6339,6340],"td",{},"Не зареєстрований",[6338,6342,6343],{},"✅ New",[6338,6345,6346],{},"✅ Dirty",[6338,6348,6349],{},"✅ Deleted",[6317,6351,6352,6355,6360,6365],{},[6338,6353,6354],{},"New",[6338,6356,6357],{},[3259,6358,6359],{},"(ігнор.)",[6338,6361,6362],{},[3259,6363,6364],{},"(ігнор. — INSERT покриє)",[6338,6366,6367],{},"✅ видаляє з New (без SQL!)",[6317,6369,6370,6373,6378,6382],{},[6338,6371,6372],{},"Dirty",[6338,6374,6375],{},[3259,6376,6377],{},"(виключення)",[6338,6379,6380],{},[3259,6381,6359],{},[6338,6383,6384],{},"✅ переміщує до Deleted",[6317,6386,6387,6390,6393,6395],{},[6338,6388,6389],{},"Deleted",[6338,6391,6392],{},"❌ виключення",[6338,6394,6392],{},[6338,6396,6397],{},[3259,6398,6359],{},[2969,6400,6401,6402,6405,6406,6408],{},"Найцікавіший рядок — «New → registerDeleted»: якщо ми створили об'єкт у пам'яті, зареєстрували як новий, і одразу ж вирішили його видалити ",[3217,6403,6404],{},"ще до commit"," — жодного SQL не потрібно. Об'єкт просто прибирається з реєстру ",[2964,6407,4377],{},". База даних про нього ніколи не дізнається.",[2973,6410,6412],{"className":2975,"code":6411,"language":2977,"meta":2978,"style":2978},"// Приклад: створити і одразу відмовитися\nAuthor tempAuthor = new Author(\"Тимчасовий\", \"Автор\");\nuow.registerNew(tempAuthor);\n\n// Передумали\nuow.registerDeleted(tempAuthor);\n// tempAuthor видалений з newEntities — жодного INSERT не буде\n",[2964,6413,6414,6419,6444,6456,6460,6465,6475],{"__ignoreMap":2978},[2982,6415,6416],{"class":2984,"line":2985},[2982,6417,6418],{"class":3143},"// Приклад: створити і одразу відмовитися\n",[2982,6420,6421,6423,6426,6428,6430,6432,6434,6437,6439,6442],{"class":2984,"line":3011},[2982,6422,3059],{"class":2988},[2982,6424,6425],{"class":2992}," tempAuthor",[2982,6427,2997],{"class":2996},[2982,6429,3001],{"class":3000},[2982,6431,3069],{"class":3004},[2982,6433,3072],{"class":2996},[2982,6435,6436],{"class":3075},"\"Тимчасовий\"",[2982,6438,3079],{"class":2996},[2982,6440,6441],{"class":3075},"\"Автор\"",[2982,6443,3085],{"class":2996},[2982,6445,6446,6449,6451,6453],{"class":2984,"line":3030},[2982,6447,6448],{"class":2992},"uow",[2982,6450,3153],{"class":2996},[2982,6452,6325],{"class":3004},[2982,6454,6455],{"class":2996},"(tempAuthor);\n",[2982,6457,6458],{"class":2984,"line":3049},[2982,6459,3053],{"emptyLinePlaceholder":3052},[2982,6461,6462],{"class":2984,"line":3056},[2982,6463,6464],{"class":3143},"// Передумали\n",[2982,6466,6467,6469,6471,6473],{"class":2984,"line":3088},[2982,6468,6448],{"class":2992},[2982,6470,3153],{"class":2996},[2982,6472,6331],{"class":3004},[2982,6474,6455],{"class":2996},[2982,6476,6477],{"class":2984,"line":3111},[2982,6478,6479],{"class":3143},"// tempAuthor видалений з newEntities — жодного INSERT не буде\n",[3292,6481,6483,6485],{"id":6482},"commit-транзакційний-контекст",[2964,6484,3285],{},": Транзакційний контекст",[2969,6487,6488,6489,6491,6492,6494,6495,6498],{},"Серцем ",[2964,6490,4047],{}," є метод ",[2964,6493,3285],{}," (рядки 120–145). Він реалізує ",[3217,6496,6497],{},"Transaction Script"," для всієї бізнес-операції:",[2973,6500,6503],{"className":6501,"code":6502,"language":3210},[3208],"conn.setAutoCommit(false) → BEGIN TRANSACTION\n  INSERT all new entities     (у порядку FK: батьки до дітей)\n  UPDATE all dirty entities   (порядок некритичний)\n  DELETE all deleted entities (у зворотному порядку FK: діти до батьків)\nconn.commit()                → COMMIT\nclearAll()                   → очистити реєстри\n",[2964,6504,6502],{"__ignoreMap":2978},[2969,6506,6507,6508,6511,6512,6514,6515,6517,6518,6521,6522,6525],{},"Якщо будь-яке виключення виникає між ",[2964,6509,6510],{},"setAutoCommit(false)"," і ",[2964,6513,3285],{}," — блок ",[2964,6516,5189],{}," викликає ",[2964,6519,6520],{},"conn.rollback()",". Це гарантує ",[3217,6523,6524],{},"атомарність"," всієї бізнес-операції: або всі зміни збережені, або жодна.",[6527,6528,6529,6542,6543,6545,6546,6548,6549,6551,6552,6555,6556,6558,6559,6561],"note",{},[3217,6530,6531,6532,6535,6536,6538,6539,6541],{},"Чому ",[2964,6533,6534],{},"clearAll()"," викликається після ",[2964,6537,3285],{},", а не у ",[2964,6540,5275],{},"?"," Якщо ",[2964,6544,3285],{}," завершився успішно, але ",[2964,6547,6534],{}," ще не відпрацював і виникло виключення — реєстри залишаться у стані, що не відповідає БД. Тому ",[2964,6550,6534],{}," викликається виключно після підтвердження успішного ",[2964,6553,6554],{},"conn.commit()",". У блоці ",[2964,6557,3289],{}," ",[2964,6560,6534],{}," також є правильним — операції не виконані, реєстри можна безпечно очистити.",[3292,6563,6565],{"id":6564},"порядок-insert-чому-важлива-послідовність","Порядок INSERT: Чому важлива послідовність",[2969,6567,6568,6569,6572,6573,6575],{},"Розглянемо ",[2964,6570,6571],{},"insertAll()"," детальніше. Він виконує три ітерації по ",[2964,6574,4377],{},":",[2973,6577,6579],{"className":2975,"code":6578,"language":2977,"meta":2978,"style":2978},"// Ітерація 1: тільки Author (батьківська таблиця)\nfor (Object entity : newEntities) {\n    if (entity instanceof Author a) authorRepository.save(a);\n}\n// Ітерація 2: тільки Genre (батьківська таблиця)\nfor (Object entity : newEntities) {\n    if (entity instanceof Genre g) genreRepository.save(g);\n}\n// Ітерація 3: тільки Audiobook (дочірня таблиця, має FK на author та genre)\nfor (Object entity : newEntities) {\n    if (entity instanceof Audiobook b) audiobookRepository.save(b);\n}\n",[2964,6580,6581,6586,6601,6623,6627,6632,6646,6667,6671,6676,6690,6710],{"__ignoreMap":2978},[2982,6582,6583],{"class":2984,"line":2985},[2982,6584,6585],{"class":3143},"// Ітерація 1: тільки Author (батьківська таблиця)\n",[2982,6587,6588,6591,6593,6595,6597,6599],{"class":2984,"line":3011},[2982,6589,6590],{"class":3000},"for",[2982,6592,4588],{"class":2996},[2982,6594,3709],{"class":2988},[2982,6596,3672],{"class":2992},[2982,6598,5427],{"class":3000},[2982,6600,5430],{"class":2996},[2982,6602,6603,6606,6608,6610,6612,6615,6617,6619,6621],{"class":2984,"line":3030},[2982,6604,6605],{"class":3000},"    if",[2982,6607,5439],{"class":2996},[2982,6609,5442],{"class":3456},[2982,6611,3069],{"class":2988},[2982,6613,6614],{"class":2996}," a) ",[2982,6616,4514],{"class":2992},[2982,6618,3153],{"class":2996},[2982,6620,3156],{"class":3004},[2982,6622,5456],{"class":2996},[2982,6624,6625],{"class":2984,"line":3049},[2982,6626,4041],{"class":2996},[2982,6628,6629],{"class":2984,"line":3056},[2982,6630,6631],{"class":3143},"// Ітерація 2: тільки Genre (батьківська таблиця)\n",[2982,6633,6634,6636,6638,6640,6642,6644],{"class":2984,"line":3088},[2982,6635,6590],{"class":3000},[2982,6637,4588],{"class":2996},[2982,6639,3709],{"class":2988},[2982,6641,3672],{"class":2992},[2982,6643,5427],{"class":3000},[2982,6645,5430],{"class":2996},[2982,6647,6648,6650,6652,6654,6656,6659,6661,6663,6665],{"class":2984,"line":3111},[2982,6649,6605],{"class":3000},[2982,6651,5439],{"class":2996},[2982,6653,5442],{"class":3456},[2982,6655,3101],{"class":2988},[2982,6657,6658],{"class":2996}," g) ",[2982,6660,4526],{"class":2992},[2982,6662,3153],{"class":2996},[2982,6664,3156],{"class":3004},[2982,6666,5499],{"class":2996},[2982,6668,6669],{"class":2984,"line":3135},[2982,6670,4041],{"class":2996},[2982,6672,6673],{"class":2984,"line":3140},[2982,6674,6675],{"class":3143},"// Ітерація 3: тільки Audiobook (дочірня таблиця, має FK на author та genre)\n",[2982,6677,6678,6680,6682,6684,6686,6688],{"class":2984,"line":3147},[2982,6679,6590],{"class":3000},[2982,6681,4588],{"class":2996},[2982,6683,3709],{"class":2988},[2982,6685,3672],{"class":2992},[2982,6687,5427],{"class":3000},[2982,6689,5430],{"class":2996},[2982,6691,6692,6694,6696,6698,6700,6702,6704,6706,6708],{"class":2984,"line":3165},[2982,6693,6605],{"class":3000},[2982,6695,5439],{"class":2996},[2982,6697,5442],{"class":3456},[2982,6699,3124],{"class":2988},[2982,6701,5539],{"class":2996},[2982,6703,4538],{"class":2992},[2982,6705,3153],{"class":2996},[2982,6707,3156],{"class":3004},[2982,6709,5548],{"class":2996},[2982,6711,6712],{"class":2984,"line":3181},[2982,6713,4041],{"class":2996},[2969,6715,6716,6717,6720,6721,6724,6725,6727,6728,6730],{},"Якби ми виконали просто ",[2964,6718,6719],{},"for (Object entity : newEntities)"," без розділення за типами — порядок об'єктів у ",[2964,6722,6723],{},"LinkedHashSet"," визначав би порядок SQL. Якщо ",[2964,6726,3114],{}," потрапив у реєстр раніше за ",[2964,6729,3059],{}," — виникло б FK-порушення.",[2969,6732,6733,6734,6737],{},"Явна ітерація за типами ",[3217,6735,6736],{},"незалежно від порядку реєстрації"," гарантує правильний порядок SQL. Це важливо, коли клієнтський код реєструє об'єкти у довільному порядку.",[3246,6739],{},[2959,6741,6743],{"id":6742},"snapshot-based-change-tracking","Snapshot-Based Change Tracking",[2969,6745,6746,6747,6750,6751,6754],{},"Наша поточна реалізація вимагає від клієнтського коду ",[3217,6748,6749],{},"явно"," викликати ",[2964,6752,6753],{},"uow.registerDirty(entity)"," після кожної зміни. Це необхідно пам'ятати, і це джерело помилок:",[2973,6756,6758],{"className":2975,"code":6757,"language":2977,"meta":2978,"style":2978},"Author author = loadedFromDb.get(0);\nauthor.setFirstName(\"Новий\");  // Змінили\n// Якщо забути registerDirty — UPDATE не виконається!\nuow.commit(); // → UPDATE для цього автора не буде\n",[2964,6759,6760,6784,6805,6810],{"__ignoreMap":2978},[2982,6761,6762,6764,6766,6768,6771,6773,6776,6778,6782],{"class":2984,"line":2985},[2982,6763,3059],{"class":2988},[2982,6765,3062],{"class":2992},[2982,6767,2997],{"class":2996},[2982,6769,6770],{"class":2992},"loadedFromDb",[2982,6772,3153],{"class":2996},[2982,6774,6775],{"class":3004},"get",[2982,6777,3072],{"class":2996},[2982,6779,6781],{"class":6780},"sJj4R","0",[2982,6783,3085],{"class":2996},[2982,6785,6786,6789,6791,6794,6796,6799,6802],{"class":2984,"line":3011},[2982,6787,6788],{"class":2992},"author",[2982,6790,3153],{"class":2996},[2982,6792,6793],{"class":3004},"setFirstName",[2982,6795,3072],{"class":2996},[2982,6797,6798],{"class":3075},"\"Новий\"",[2982,6800,6801],{"class":2996},");  ",[2982,6803,6804],{"class":3143},"// Змінили\n",[2982,6806,6807],{"class":2984,"line":3030},[2982,6808,6809],{"class":3143},"// Якщо забути registerDirty — UPDATE не виконається!\n",[2982,6811,6812,6814,6816,6818,6820],{"class":2984,"line":3049},[2982,6813,6448],{"class":2992},[2982,6815,3153],{"class":2996},[2982,6817,5157],{"class":3004},[2982,6819,5160],{"class":2996},[2982,6821,6822],{"class":3143},"// → UPDATE для цього автора не буде\n",[2969,6824,6825,6826,6828,6829,6831],{},"Більш досконалий підхід — ",[3217,6827,6743],{},": Unit of Work зберігає «знімок» (snapshot) кожного об'єкта на момент завантаження і автоматично виявляє зміни при ",[2964,6830,3285],{},", порівнюючи поточний стан зі знімком.",[2973,6833,6835],{"className":2975,"code":6834,"language":2977,"meta":3449,"style":2978},"package com.example.audiobook.persistence;\n\nimport com.example.audiobook.domain.Author;\n\nimport java.util.HashMap;\nimport java.util.Map;\nimport java.util.UUID;\n\n/**\n * Snapshot-Based Change Tracker для сутності Author.\n * \u003Cp>\n * При завантаженні зберігає «знімок» полів об'єкта.\n * При {@link #findDirty()} порівнює поточний стан з знімком\n * і автоматично виявляє змінені об'єкти — без явного registerDirty().\n * \u003Cp>\n * У реальних ORM (Hibernate) цю роль виконує {@code EntityEntry}\n * із збереженим {@code Object[] loadedState}.\n */\npublic class AuthorChangeTracker {\n\n    /**\n     * Незмінний знімок стану автора на момент завантаження.\n     * Зберігаємо лише поля, що змінюються (не id).\n     */\n    private record AuthorSnapshot(\n        String firstName,\n        String lastName,\n        String bio,\n        String imagePath\n    ) {\n        /** Створити знімок з поточного стану автора. */\n        static AuthorSnapshot of(Author author) {\n            return new AuthorSnapshot(\n                author.getFirstName(),\n                author.getLastName(),\n                author.getBio(),\n                author.getImagePath()\n            );\n        }\n\n        /** Порівняти знімок з поточним станом автора. */\n        boolean isDirty(Author author) {\n            return !java.util.Objects.equals(firstName, author.getFirstName())\n                || !java.util.Objects.equals(lastName, author.getLastName())\n                || !java.util.Objects.equals(bio, author.getBio())\n                || !java.util.Objects.equals(imagePath, author.getImagePath());\n        }\n    }\n\n    /** Зберігаємо знімки: id → snapshot. */\n    private final Map\u003CUUID, AuthorSnapshot> snapshots = new HashMap\u003C>();\n\n    /** Зберігаємо відстежувані об'єкти: id → entity. */\n    private final Map\u003CUUID, Author> trackedEntities = new HashMap\u003C>();\n\n    /**\n     * Починає відстежування об'єкта.\n     * Викликається після {@code findById()} або {@code findAll()}.\n     *\n     * @param author завантажений об'єкт\n     */\n    public void track(Author author) {\n        snapshots.put(author.getId(), AuthorSnapshot.of(author));\n        trackedEntities.put(author.getId(), author);\n    }\n\n    /**\n     * Автоматично знаходить об'єкти, що змінилися відносно знімка.\n     * Не потребує явного registerDirty() від клієнтського коду.\n     *\n     * @return список авторів, чий стан відрізняється від знімка\n     */\n    public java.util.List\u003CAuthor> findDirty() {\n        return trackedEntities.values().stream()\n            .filter(author -> {\n                AuthorSnapshot snapshot = snapshots.get(author.getId());\n                return snapshot != null && snapshot.isDirty(author);\n            })\n            .toList();\n    }\n\n    /**\n     * Оновлює знімок після успішного UPDATE.\n     * Після цього об'єкт вважається «чистим» до наступної зміни.\n     *\n     * @param author автор, що щойно був збережений\n     */\n    public void updateSnapshot(Author author) {\n        snapshots.put(author.getId(), AuthorSnapshot.of(author));\n    }\n\n    /** Припиняє відстежування об'єкта (після DELETE або в кінці сесії). */\n    public void untrack(UUID authorId) {\n        snapshots.remove(authorId);\n        trackedEntities.remove(authorId);\n    }\n\n    /** Очищує всі знімки (в кінці UoW-сесії). */\n    public void clear() {\n        snapshots.clear();\n        trackedEntities.clear();\n    }\n}\n",[2964,6836,6837,6843,6847,6853,6857,6864,6871,6878,6882,6886,6891,6895,6900,6915,6920,6924,6929,6934,6938,6949,6953,6957,6962,6967,6971,6983,6991,6998,7005,7012,7017,7022,7040,7050,7063,7074,7085,7097,7102,7106,7110,7115,7131,7167,7197,7226,7255,7259,7263,7267,7272,7305,7309,7314,7343,7347,7351,7356,7361,7365,7375,7379,7396,7427,7447,7451,7455,7459,7464,7469,7473,7483,7487,7514,7535,7551,7577,7601,7606,7615,7619,7623,7627,7632,7637,7641,7652,7656,7673,7699,7703,7707,7712,7730,7741,7751,7755,7759,7764,7775,7785,7795,7799],{"__ignoreMap":2978},[2982,6838,6839,6841],{"class":2984,"line":2985},[2982,6840,3457],{"class":3456},[2982,6842,3460],{"class":2996},[2982,6844,6845],{"class":2984,"line":3011},[2982,6846,3053],{"emptyLinePlaceholder":3052},[2982,6848,6849,6851],{"class":2984,"line":3030},[2982,6850,4068],{"class":3456},[2982,6852,4085],{"class":2996},[2982,6854,6855],{"class":2984,"line":3049},[2982,6856,3053],{"emptyLinePlaceholder":3052},[2982,6858,6859,6861],{"class":2984,"line":3056},[2982,6860,4068],{"class":3456},[2982,6862,6863],{"class":2996}," java.util.HashMap;\n",[2982,6865,6866,6868],{"class":2984,"line":3088},[2982,6867,4068],{"class":3456},[2982,6869,6870],{"class":2996}," java.util.Map;\n",[2982,6872,6873,6875],{"class":2984,"line":3111},[2982,6874,4068],{"class":3456},[2982,6876,6877],{"class":2996}," java.util.UUID;\n",[2982,6879,6880],{"class":2984,"line":3135},[2982,6881,3053],{"emptyLinePlaceholder":3052},[2982,6883,6884],{"class":2984,"line":3140},[2982,6885,3469],{"class":3143},[2982,6887,6888],{"class":2984,"line":3147},[2982,6889,6890],{"class":3143}," * Snapshot-Based Change Tracker для сутності Author.\n",[2982,6892,6893],{"class":2984,"line":3165},[2982,6894,3479],{"class":3143},[2982,6896,6897],{"class":2984,"line":3181},[2982,6898,6899],{"class":3143}," * При завантаженні зберігає «знімок» полів об'єкта.\n",[2982,6901,6902,6905,6907,6909,6912],{"class":2984,"line":3368},[2982,6903,6904],{"class":3143}," * При {",[2982,6906,3492],{"class":3456},[2982,6908,3495],{"class":3143},[2982,6910,6911],{"class":2992},"findDirty()",[2982,6913,6914],{"class":3143},"} порівнює поточний стан з знімком\n",[2982,6916,6917],{"class":2984,"line":3374},[2982,6918,6919],{"class":3143}," * і автоматично виявляє змінені об'єкти — без явного registerDirty().\n",[2982,6921,6922],{"class":2984,"line":3537},[2982,6923,3479],{"class":3143},[2982,6925,6926],{"class":2984,"line":3543},[2982,6927,6928],{"class":3143}," * У реальних ORM (Hibernate) цю роль виконує {@code EntityEntry}\n",[2982,6930,6931],{"class":2984,"line":3552},[2982,6932,6933],{"class":3143}," * із збереженим {@code Object[] loadedState}.\n",[2982,6935,6936],{"class":2984,"line":3558},[2982,6937,3608],{"class":3143},[2982,6939,6940,6942,6944,6947],{"class":2984,"line":3564},[2982,6941,3614],{"class":3456},[2982,6943,4256],{"class":3456},[2982,6945,6946],{"class":2988}," AuthorChangeTracker",[2982,6948,3623],{"class":2996},[2982,6950,6951],{"class":2984,"line":3569},[2982,6952,3053],{"emptyLinePlaceholder":3052},[2982,6954,6955],{"class":2984,"line":3575},[2982,6956,3634],{"class":3143},[2982,6958,6959],{"class":2984,"line":3581},[2982,6960,6961],{"class":3143},"     * Незмінний знімок стану автора на момент завантаження.\n",[2982,6963,6964],{"class":2984,"line":3587},[2982,6965,6966],{"class":3143},"     * Зберігаємо лише поля, що змінюються (не id).\n",[2982,6968,6969],{"class":2984,"line":3593},[2982,6970,3695],{"class":3143},[2982,6972,6973,6975,6978,6981],{"class":2984,"line":3599},[2982,6974,4275],{"class":3456},[2982,6976,6977],{"class":3456}," record",[2982,6979,6980],{"class":2988}," AuthorSnapshot",[2982,6982,4452],{"class":2996},[2982,6984,6985,6988],{"class":2984,"line":3605},[2982,6986,6987],{"class":2988},"        String",[2982,6989,6990],{"class":2996}," firstName,\n",[2982,6992,6993,6995],{"class":2984,"line":3611},[2982,6994,6987],{"class":2988},[2982,6996,6997],{"class":2996}," lastName,\n",[2982,6999,7000,7002],{"class":2984,"line":3626},[2982,7001,6987],{"class":2988},[2982,7003,7004],{"class":2996}," bio,\n",[2982,7006,7007,7009],{"class":2984,"line":3631},[2982,7008,6987],{"class":2988},[2982,7010,7011],{"class":2996}," imagePath\n",[2982,7013,7014],{"class":2984,"line":3637},[2982,7015,7016],{"class":2996},"    ) {\n",[2982,7018,7019],{"class":2984,"line":3651},[2982,7020,7021],{"class":3143},"        /** Створити знімок з поточного стану автора. */\n",[2982,7023,7024,7027,7029,7032,7034,7036,7038],{"class":2984,"line":3657},[2982,7025,7026],{"class":3456},"        static",[2982,7028,6980],{"class":2988},[2982,7030,7031],{"class":3004}," of",[2982,7033,3072],{"class":2996},[2982,7035,3059],{"class":2988},[2982,7037,3062],{"class":2992},[2982,7039,4492],{"class":2996},[2982,7041,7042,7044,7046,7048],{"class":2984,"line":3663},[2982,7043,4649],{"class":3000},[2982,7045,4606],{"class":3000},[2982,7047,6980],{"class":3004},[2982,7049,4452],{"class":2996},[2982,7051,7052,7055,7057,7060],{"class":2984,"line":3678},[2982,7053,7054],{"class":2992},"                author",[2982,7056,3153],{"class":2996},[2982,7058,7059],{"class":3004},"getFirstName",[2982,7061,7062],{"class":2996},"(),\n",[2982,7064,7065,7067,7069,7072],{"class":2984,"line":3692},[2982,7066,7054],{"class":2992},[2982,7068,3153],{"class":2996},[2982,7070,7071],{"class":3004},"getLastName",[2982,7073,7062],{"class":2996},[2982,7075,7076,7078,7080,7083],{"class":2984,"line":3698},[2982,7077,7054],{"class":2992},[2982,7079,3153],{"class":2996},[2982,7081,7082],{"class":3004},"getBio",[2982,7084,7062],{"class":2996},[2982,7086,7087,7089,7091,7094],{"class":2984,"line":3716},[2982,7088,7054],{"class":2992},[2982,7090,3153],{"class":2996},[2982,7092,7093],{"class":3004},"getImagePath",[2982,7095,7096],{"class":2996},"()\n",[2982,7098,7099],{"class":2984,"line":3721},[2982,7100,7101],{"class":2996},"            );\n",[2982,7103,7104],{"class":2984,"line":3726},[2982,7105,4625],{"class":2996},[2982,7107,7108],{"class":2984,"line":3732},[2982,7109,3053],{"emptyLinePlaceholder":3052},[2982,7111,7112],{"class":2984,"line":3747},[2982,7113,7114],{"class":3143},"        /** Порівняти знімок з поточним станом автора. */\n",[2982,7116,7117,7120,7123,7125,7127,7129],{"class":2984,"line":3753},[2982,7118,7119],{"class":2988},"        boolean",[2982,7121,7122],{"class":3004}," isDirty",[2982,7124,3072],{"class":2996},[2982,7126,3059],{"class":2988},[2982,7128,3062],{"class":2992},[2982,7130,4492],{"class":2996},[2982,7132,7133,7135,7138,7140,7142,7145,7147,7150,7152,7155,7158,7160,7162,7164],{"class":2984,"line":3758},[2982,7134,4649],{"class":3000},[2982,7136,7137],{"class":2996}," !",[2982,7139,2977],{"class":2992},[2982,7141,3153],{"class":2996},[2982,7143,7144],{"class":2992},"util",[2982,7146,3153],{"class":2996},[2982,7148,7149],{"class":2992},"Objects",[2982,7151,3153],{"class":2996},[2982,7153,7154],{"class":3004},"equals",[2982,7156,7157],{"class":2996},"(firstName, ",[2982,7159,6788],{"class":2992},[2982,7161,3153],{"class":2996},[2982,7163,7059],{"class":3004},[2982,7165,7166],{"class":2996},"())\n",[2982,7168,7169,7172,7174,7176,7178,7180,7182,7184,7186,7189,7191,7193,7195],{"class":2984,"line":3770},[2982,7170,7171],{"class":2996},"                || !",[2982,7173,2977],{"class":2992},[2982,7175,3153],{"class":2996},[2982,7177,7144],{"class":2992},[2982,7179,3153],{"class":2996},[2982,7181,7149],{"class":2992},[2982,7183,3153],{"class":2996},[2982,7185,7154],{"class":3004},[2982,7187,7188],{"class":2996},"(lastName, ",[2982,7190,6788],{"class":2992},[2982,7192,3153],{"class":2996},[2982,7194,7071],{"class":3004},[2982,7196,7166],{"class":2996},[2982,7198,7199,7201,7203,7205,7207,7209,7211,7213,7215,7218,7220,7222,7224],{"class":2984,"line":3775},[2982,7200,7171],{"class":2996},[2982,7202,2977],{"class":2992},[2982,7204,3153],{"class":2996},[2982,7206,7144],{"class":2992},[2982,7208,3153],{"class":2996},[2982,7210,7149],{"class":2992},[2982,7212,3153],{"class":2996},[2982,7214,7154],{"class":3004},[2982,7216,7217],{"class":2996},"(bio, ",[2982,7219,6788],{"class":2992},[2982,7221,3153],{"class":2996},[2982,7223,7082],{"class":3004},[2982,7225,7166],{"class":2996},[2982,7227,7228,7230,7232,7234,7236,7238,7240,7242,7244,7247,7249,7251,7253],{"class":2984,"line":3791},[2982,7229,7171],{"class":2996},[2982,7231,2977],{"class":2992},[2982,7233,3153],{"class":2996},[2982,7235,7144],{"class":2992},[2982,7237,3153],{"class":2996},[2982,7239,7149],{"class":2992},[2982,7241,3153],{"class":2996},[2982,7243,7154],{"class":3004},[2982,7245,7246],{"class":2996},"(imagePath, ",[2982,7248,6788],{"class":2992},[2982,7250,3153],{"class":2996},[2982,7252,7093],{"class":3004},[2982,7254,5805],{"class":2996},[2982,7256,7257],{"class":2984,"line":3796},[2982,7258,4625],{"class":2996},[2982,7260,7261],{"class":2984,"line":3801},[2982,7262,4546],{"class":2996},[2982,7264,7265],{"class":2984,"line":3815},[2982,7266,3053],{"emptyLinePlaceholder":3052},[2982,7268,7269],{"class":2984,"line":3829},[2982,7270,7271],{"class":3143},"    /** Зберігаємо знімки: id → snapshot. */\n",[2982,7273,7274,7276,7278,7281,7283,7286,7288,7291,7293,7296,7298,7300,7303],{"class":2984,"line":3835},[2982,7275,4275],{"class":3456},[2982,7277,4278],{"class":3456},[2982,7279,7280],{"class":2988}," Map",[2982,7282,4369],{"class":2996},[2982,7284,7285],{"class":2988},"UUID",[2982,7287,3079],{"class":2996},[2982,7289,7290],{"class":2988},"AuthorSnapshot",[2982,7292,4374],{"class":2996},[2982,7294,7295],{"class":2992},"snapshots",[2982,7297,2997],{"class":2996},[2982,7299,3001],{"class":3000},[2982,7301,7302],{"class":2988}," HashMap",[2982,7304,4388],{"class":2996},[2982,7306,7307],{"class":2984,"line":3840},[2982,7308,3053],{"emptyLinePlaceholder":3052},[2982,7310,7311],{"class":2984,"line":3852},[2982,7312,7313],{"class":3143},"    /** Зберігаємо відстежувані об'єкти: id → entity. */\n",[2982,7315,7316,7318,7320,7322,7324,7326,7328,7330,7332,7335,7337,7339,7341],{"class":2984,"line":3857},[2982,7317,4275],{"class":3456},[2982,7319,4278],{"class":3456},[2982,7321,7280],{"class":2988},[2982,7323,4369],{"class":2996},[2982,7325,7285],{"class":2988},[2982,7327,3079],{"class":2996},[2982,7329,3059],{"class":2988},[2982,7331,4374],{"class":2996},[2982,7333,7334],{"class":2992},"trackedEntities",[2982,7336,2997],{"class":2996},[2982,7338,3001],{"class":3000},[2982,7340,7302],{"class":2988},[2982,7342,4388],{"class":2996},[2982,7344,7345],{"class":2984,"line":3873},[2982,7346,3053],{"emptyLinePlaceholder":3052},[2982,7348,7349],{"class":2984,"line":3878},[2982,7350,3634],{"class":3143},[2982,7352,7353],{"class":2984,"line":3883},[2982,7354,7355],{"class":3143},"     * Починає відстежування об'єкта.\n",[2982,7357,7358],{"class":2984,"line":3889},[2982,7359,7360],{"class":3143},"     * Викликається після {@code findById()} або {@code findAll()}.\n",[2982,7362,7363],{"class":2984,"line":3895},[2982,7364,3660],{"class":3143},[2982,7366,7367,7369,7371,7373],{"class":2984,"line":3900},[2982,7368,3666],{"class":3143},[2982,7370,3669],{"class":3456},[2982,7372,3062],{"class":2992},[2982,7374,3909],{"class":3143},[2982,7376,7377],{"class":2984,"line":3912},[2982,7378,3695],{"class":3143},[2982,7380,7381,7383,7385,7388,7390,7392,7394],{"class":2984,"line":3917},[2982,7382,4447],{"class":3456},[2982,7384,4565],{"class":2988},[2982,7386,7387],{"class":3004}," track",[2982,7389,3072],{"class":2996},[2982,7391,3059],{"class":2988},[2982,7393,3062],{"class":2992},[2982,7395,4492],{"class":2996},[2982,7397,7398,7401,7403,7406,7408,7410,7412,7414,7417,7419,7421,7424],{"class":2984,"line":3933},[2982,7399,7400],{"class":2992},"        snapshots",[2982,7402,3153],{"class":2996},[2982,7404,7405],{"class":3004},"put",[2982,7407,3072],{"class":2996},[2982,7409,6788],{"class":2992},[2982,7411,3153],{"class":2996},[2982,7413,5802],{"class":3004},[2982,7415,7416],{"class":2996},"(), ",[2982,7418,7290],{"class":2992},[2982,7420,3153],{"class":2996},[2982,7422,7423],{"class":3004},"of",[2982,7425,7426],{"class":2996},"(author));\n",[2982,7428,7429,7432,7434,7436,7438,7440,7442,7444],{"class":2984,"line":3938},[2982,7430,7431],{"class":2992},"        trackedEntities",[2982,7433,3153],{"class":2996},[2982,7435,7405],{"class":3004},[2982,7437,3072],{"class":2996},[2982,7439,6788],{"class":2992},[2982,7441,3153],{"class":2996},[2982,7443,5802],{"class":3004},[2982,7445,7446],{"class":2996},"(), author);\n",[2982,7448,7449],{"class":2984,"line":3943},[2982,7450,4546],{"class":2996},[2982,7452,7453],{"class":2984,"line":3949},[2982,7454,3053],{"emptyLinePlaceholder":3052},[2982,7456,7457],{"class":2984,"line":3955},[2982,7458,3634],{"class":3143},[2982,7460,7461],{"class":2984,"line":3961},[2982,7462,7463],{"class":3143},"     * Автоматично знаходить об'єкти, що змінилися відносно знімка.\n",[2982,7465,7466],{"class":2984,"line":3967},[2982,7467,7468],{"class":3143},"     * Не потребує явного registerDirty() від клієнтського коду.\n",[2982,7470,7471],{"class":2984,"line":3972},[2982,7472,3660],{"class":3143},[2982,7474,7475,7477,7480],{"class":2984,"line":3985},[2982,7476,3666],{"class":3143},[2982,7478,7479],{"class":3456},"@return",[2982,7481,7482],{"class":3143}," список авторів, чий стан відрізняється від знімка\n",[2982,7484,7485],{"class":2984,"line":3990},[2982,7486,3695],{"class":3143},[2982,7488,7489,7491,7494,7496,7498,7500,7503,7505,7507,7509,7512],{"class":2984,"line":4001},[2982,7490,4447],{"class":3456},[2982,7492,7493],{"class":2988}," java",[2982,7495,3153],{"class":2996},[2982,7497,7144],{"class":2988},[2982,7499,3153],{"class":2996},[2982,7501,7502],{"class":2988},"List",[2982,7504,4369],{"class":2996},[2982,7506,3059],{"class":2988},[2982,7508,4374],{"class":2996},[2982,7510,7511],{"class":3004},"findDirty",[2982,7513,5023],{"class":2996},[2982,7515,7516,7519,7522,7524,7527,7530,7533],{"class":2984,"line":4006},[2982,7517,7518],{"class":3000},"        return",[2982,7520,7521],{"class":2992}," trackedEntities",[2982,7523,3153],{"class":2996},[2982,7525,7526],{"class":3004},"values",[2982,7528,7529],{"class":2996},"().",[2982,7531,7532],{"class":3004},"stream",[2982,7534,7096],{"class":2996},[2982,7536,7537,7540,7543,7546,7549],{"class":2984,"line":4011},[2982,7538,7539],{"class":2996},"            .",[2982,7541,7542],{"class":3004},"filter",[2982,7544,7545],{"class":2996},"(author ",[2982,7547,7548],{"class":3456},"->",[2982,7550,3623],{"class":2996},[2982,7552,7553,7556,7559,7561,7563,7565,7567,7569,7571,7573,7575],{"class":2984,"line":4017},[2982,7554,7555],{"class":2988},"                AuthorSnapshot",[2982,7557,7558],{"class":2992}," snapshot",[2982,7560,2997],{"class":2996},[2982,7562,7295],{"class":2992},[2982,7564,3153],{"class":2996},[2982,7566,6775],{"class":3004},[2982,7568,3072],{"class":2996},[2982,7570,6788],{"class":2992},[2982,7572,3153],{"class":2996},[2982,7574,5802],{"class":3004},[2982,7576,5805],{"class":2996},[2982,7578,7579,7582,7585,7587,7590,7593,7595,7598],{"class":2984,"line":4023},[2982,7580,7581],{"class":3000},"                return",[2982,7583,7584],{"class":2996}," snapshot != ",[2982,7586,5037],{"class":3456},[2982,7588,7589],{"class":2996}," && ",[2982,7591,7592],{"class":2992},"snapshot",[2982,7594,3153],{"class":2996},[2982,7596,7597],{"class":3004},"isDirty",[2982,7599,7600],{"class":2996},"(author);\n",[2982,7602,7603],{"class":2984,"line":4028},[2982,7604,7605],{"class":2996},"            })\n",[2982,7607,7608,7610,7613],{"class":2984,"line":4038},[2982,7609,7539],{"class":2996},[2982,7611,7612],{"class":3004},"toList",[2982,7614,3998],{"class":2996},[2982,7616,7617],{"class":2984,"line":4720},[2982,7618,4546],{"class":2996},[2982,7620,7621],{"class":2984,"line":4726},[2982,7622,3053],{"emptyLinePlaceholder":3052},[2982,7624,7625],{"class":2984,"line":4733},[2982,7626,3634],{"class":3143},[2982,7628,7629],{"class":2984,"line":4738},[2982,7630,7631],{"class":3143},"     * Оновлює знімок після успішного UPDATE.\n",[2982,7633,7634],{"class":2984,"line":4753},[2982,7635,7636],{"class":3143},"     * Після цього об'єкт вважається «чистим» до наступної зміни.\n",[2982,7638,7639],{"class":2984,"line":4764},[2982,7640,3660],{"class":3143},[2982,7642,7643,7645,7647,7649],{"class":2984,"line":4773},[2982,7644,3666],{"class":3143},[2982,7646,3669],{"class":3456},[2982,7648,3062],{"class":2992},[2982,7650,7651],{"class":3143}," автор, що щойно був збережений\n",[2982,7653,7654],{"class":2984,"line":4778},[2982,7655,3695],{"class":3143},[2982,7657,7658,7660,7662,7665,7667,7669,7671],{"class":2984,"line":4790},[2982,7659,4447],{"class":3456},[2982,7661,4565],{"class":2988},[2982,7663,7664],{"class":3004}," updateSnapshot",[2982,7666,3072],{"class":2996},[2982,7668,3059],{"class":2988},[2982,7670,3062],{"class":2992},[2982,7672,4492],{"class":2996},[2982,7674,7675,7677,7679,7681,7683,7685,7687,7689,7691,7693,7695,7697],{"class":2984,"line":4795},[2982,7676,7400],{"class":2992},[2982,7678,3153],{"class":2996},[2982,7680,7405],{"class":3004},[2982,7682,3072],{"class":2996},[2982,7684,6788],{"class":2992},[2982,7686,3153],{"class":2996},[2982,7688,5802],{"class":3004},[2982,7690,7416],{"class":2996},[2982,7692,7290],{"class":2992},[2982,7694,3153],{"class":2996},[2982,7696,7423],{"class":3004},[2982,7698,7426],{"class":2996},[2982,7700,7701],{"class":2984,"line":4800},[2982,7702,4546],{"class":2996},[2982,7704,7705],{"class":2984,"line":4807},[2982,7706,3053],{"emptyLinePlaceholder":3052},[2982,7708,7709],{"class":2984,"line":4824},[2982,7710,7711],{"class":3143},"    /** Припиняє відстежування об'єкта (після DELETE або в кінці сесії). */\n",[2982,7713,7714,7716,7718,7721,7723,7725,7728],{"class":2984,"line":4830},[2982,7715,4447],{"class":3456},[2982,7717,4565],{"class":2988},[2982,7719,7720],{"class":3004}," untrack",[2982,7722,3072],{"class":2996},[2982,7724,7285],{"class":2988},[2982,7726,7727],{"class":2992}," authorId",[2982,7729,4492],{"class":2996},[2982,7731,7732,7734,7736,7738],{"class":2984,"line":4846},[2982,7733,7400],{"class":2992},[2982,7735,3153],{"class":2996},[2982,7737,4841],{"class":3004},[2982,7739,7740],{"class":2996},"(authorId);\n",[2982,7742,7743,7745,7747,7749],{"class":2984,"line":4857},[2982,7744,7431],{"class":2992},[2982,7746,3153],{"class":2996},[2982,7748,4841],{"class":3004},[2982,7750,7740],{"class":2996},[2982,7752,7753],{"class":2984,"line":4862},[2982,7754,4546],{"class":2996},[2982,7756,7757],{"class":2984,"line":4877},[2982,7758,3053],{"emptyLinePlaceholder":3052},[2982,7760,7761],{"class":2984,"line":4889},[2982,7762,7763],{"class":3143},"    /** Очищує всі знімки (в кінці UoW-сесії). */\n",[2982,7765,7766,7768,7770,7773],{"class":2984,"line":4894},[2982,7767,4447],{"class":3456},[2982,7769,4565],{"class":2988},[2982,7771,7772],{"class":3004}," clear",[2982,7774,5023],{"class":2996},[2982,7776,7777,7779,7781,7783],{"class":2984,"line":4899},[2982,7778,7400],{"class":2992},[2982,7780,3153],{"class":2996},[2982,7782,5954],{"class":3004},[2982,7784,3998],{"class":2996},[2982,7786,7787,7789,7791,7793],{"class":2984,"line":4906},[2982,7788,7431],{"class":2992},[2982,7790,3153],{"class":2996},[2982,7792,5954],{"class":3004},[2982,7794,3998],{"class":2996},[2982,7796,7797],{"class":2984,"line":4923},[2982,7798,4546],{"class":2996},[2982,7800,7801],{"class":2984,"line":4929},[2982,7802,4041],{"class":2996},[2969,7804,7805],{},[3217,7806,7807],{},"Як це інтегрується з Unit of Work:",[2973,7809,7811],{"className":2975,"code":7810,"language":2977,"meta":2978,"style":2978},"// Розширений UnitOfWork зі snapshot-tracking (спрощено)\npublic class SnapshotUnitOfWork {\n\n    private final AuthorChangeTracker tracker = new AuthorChangeTracker();\n    private final AuthorRepository repo;\n\n    // При завантаженні — автоматично починаємо відстежування\n    public Author loadAuthor(UUID id) {\n        Author author = repo.findById(id).orElseThrow();\n        tracker.track(author); // запам'ятовуємо знімок\n        return author;\n    }\n\n    public void commit() {\n        // Автоматично знаходимо \"брудні\" об'єкти — БЕЗ registerDirty()!\n        List\u003CAuthor> dirty = tracker.findDirty();\n        // Виконуємо UPDATE для кожного\n        for (Author author : dirty) {\n            repo.update(author);\n            tracker.updateSnapshot(author); // оновлюємо знімок\n        }\n        // ... і решта операцій (insert, delete)\n    }\n}\n",[2964,7812,7813,7818,7829,7833,7852,7865,7869,7874,7892,7917,7933,7940,7944,7948,7958,7963,7988,7993,8008,8019,8034,8038,8043,8047],{"__ignoreMap":2978},[2982,7814,7815],{"class":2984,"line":2985},[2982,7816,7817],{"class":3143},"// Розширений UnitOfWork зі snapshot-tracking (спрощено)\n",[2982,7819,7820,7822,7824,7827],{"class":2984,"line":3011},[2982,7821,3614],{"class":3456},[2982,7823,4256],{"class":3456},[2982,7825,7826],{"class":2988}," SnapshotUnitOfWork",[2982,7828,3623],{"class":2996},[2982,7830,7831],{"class":2984,"line":3030},[2982,7832,3053],{"emptyLinePlaceholder":3052},[2982,7834,7835,7837,7839,7841,7844,7846,7848,7850],{"class":2984,"line":3049},[2982,7836,4275],{"class":3456},[2982,7838,4278],{"class":3456},[2982,7840,6946],{"class":2988},[2982,7842,7843],{"class":2992}," tracker",[2982,7845,2997],{"class":2996},[2982,7847,3001],{"class":3000},[2982,7849,6946],{"class":3004},[2982,7851,3998],{"class":2996},[2982,7853,7854,7856,7858,7860,7863],{"class":2984,"line":3056},[2982,7855,4275],{"class":3456},[2982,7857,4278],{"class":3456},[2982,7859,4310],{"class":2988},[2982,7861,7862],{"class":2992}," repo",[2982,7864,4287],{"class":2996},[2982,7866,7867],{"class":2984,"line":3088},[2982,7868,3053],{"emptyLinePlaceholder":3052},[2982,7870,7871],{"class":2984,"line":3111},[2982,7872,7873],{"class":3143},"    // При завантаженні — автоматично починаємо відстежування\n",[2982,7875,7876,7878,7880,7883,7885,7887,7890],{"class":2984,"line":3135},[2982,7877,4447],{"class":3456},[2982,7879,3069],{"class":2988},[2982,7881,7882],{"class":3004}," loadAuthor",[2982,7884,3072],{"class":2996},[2982,7886,7285],{"class":2988},[2982,7888,7889],{"class":2992}," id",[2982,7891,4492],{"class":2996},[2982,7893,7894,7897,7899,7901,7904,7906,7909,7912,7915],{"class":2984,"line":3140},[2982,7895,7896],{"class":2988},"        Author",[2982,7898,3062],{"class":2992},[2982,7900,2997],{"class":2996},[2982,7902,7903],{"class":2992},"repo",[2982,7905,3153],{"class":2996},[2982,7907,7908],{"class":3004},"findById",[2982,7910,7911],{"class":2996},"(id).",[2982,7913,7914],{"class":3004},"orElseThrow",[2982,7916,3998],{"class":2996},[2982,7918,7919,7922,7924,7927,7930],{"class":2984,"line":3147},[2982,7920,7921],{"class":2992},"        tracker",[2982,7923,3153],{"class":2996},[2982,7925,7926],{"class":3004},"track",[2982,7928,7929],{"class":2996},"(author); ",[2982,7931,7932],{"class":3143},"// запам'ятовуємо знімок\n",[2982,7934,7935,7937],{"class":2984,"line":3165},[2982,7936,7518],{"class":3000},[2982,7938,7939],{"class":2996}," author;\n",[2982,7941,7942],{"class":2984,"line":3181},[2982,7943,4546],{"class":2996},[2982,7945,7946],{"class":2984,"line":3368},[2982,7947,3053],{"emptyLinePlaceholder":3052},[2982,7949,7950,7952,7954,7956],{"class":2984,"line":3374},[2982,7951,4447],{"class":3456},[2982,7953,4565],{"class":2988},[2982,7955,3995],{"class":3004},[2982,7957,5023],{"class":2996},[2982,7959,7960],{"class":2984,"line":3537},[2982,7961,7962],{"class":3143},"        // Автоматично знаходимо \"брудні\" об'єкти — БЕЗ registerDirty()!\n",[2982,7964,7965,7968,7970,7972,7974,7977,7979,7982,7984,7986],{"class":2984,"line":3543},[2982,7966,7967],{"class":2988},"        List",[2982,7969,4369],{"class":2996},[2982,7971,3059],{"class":2988},[2982,7973,4374],{"class":2996},[2982,7975,7976],{"class":2992},"dirty",[2982,7978,2997],{"class":2996},[2982,7980,7981],{"class":2992},"tracker",[2982,7983,3153],{"class":2996},[2982,7985,7511],{"class":3004},[2982,7987,3998],{"class":2996},[2982,7989,7990],{"class":2984,"line":3552},[2982,7991,7992],{"class":3143},"        // Виконуємо UPDATE для кожного\n",[2982,7994,7995,7997,7999,8001,8003,8005],{"class":2984,"line":3558},[2982,7996,5418],{"class":3000},[2982,7998,4588],{"class":2996},[2982,8000,3059],{"class":2988},[2982,8002,3062],{"class":2992},[2982,8004,5427],{"class":3000},[2982,8006,8007],{"class":2996}," dirty) {\n",[2982,8009,8010,8013,8015,8017],{"class":2984,"line":3564},[2982,8011,8012],{"class":2992},"            repo",[2982,8014,3153],{"class":2996},[2982,8016,5639],{"class":3004},[2982,8018,7600],{"class":2996},[2982,8020,8021,8024,8026,8029,8031],{"class":2984,"line":3569},[2982,8022,8023],{"class":2992},"            tracker",[2982,8025,3153],{"class":2996},[2982,8027,8028],{"class":3004},"updateSnapshot",[2982,8030,7929],{"class":2996},[2982,8032,8033],{"class":3143},"// оновлюємо знімок\n",[2982,8035,8036],{"class":2984,"line":3575},[2982,8037,4625],{"class":2996},[2982,8039,8040],{"class":2984,"line":3581},[2982,8041,8042],{"class":3143},"        // ... і решта операцій (insert, delete)\n",[2982,8044,8045],{"class":2984,"line":3587},[2982,8046,4546],{"class":2996},[2982,8048,8049],{"class":2984,"line":3593},[2982,8050,4041],{"class":2996},[2969,8052,8053],{},[3217,8054,8055],{},"Клієнтський код стає значно простішим:",[2973,8057,8059],{"className":2975,"code":8058,"language":2977,"meta":2978,"style":2978},"// З snapshot tracking — НЕ ПОТРІБЕН registerDirty()\nAuthor author = uow.loadAuthor(id);\nauthor.setFirstName(\"Нове ім'я\");    // просто міняємо поле\nauthor.setBio(\"Нова біографія\");     // ще одна зміна\n\nuow.commit(); // UoW сам знайде, що author змінився → UPDATE\n",[2964,8060,8061,8066,8084,8103,8123,8127],{"__ignoreMap":2978},[2982,8062,8063],{"class":2984,"line":2985},[2982,8064,8065],{"class":3143},"// З snapshot tracking — НЕ ПОТРІБЕН registerDirty()\n",[2982,8067,8068,8070,8072,8074,8076,8078,8081],{"class":2984,"line":3011},[2982,8069,3059],{"class":2988},[2982,8071,3062],{"class":2992},[2982,8073,2997],{"class":2996},[2982,8075,6448],{"class":2992},[2982,8077,3153],{"class":2996},[2982,8079,8080],{"class":3004},"loadAuthor",[2982,8082,8083],{"class":2996},"(id);\n",[2982,8085,8086,8088,8090,8092,8094,8097,8100],{"class":2984,"line":3030},[2982,8087,6788],{"class":2992},[2982,8089,3153],{"class":2996},[2982,8091,6793],{"class":3004},[2982,8093,3072],{"class":2996},[2982,8095,8096],{"class":3075},"\"Нове ім'я\"",[2982,8098,8099],{"class":2996},");    ",[2982,8101,8102],{"class":3143},"// просто міняємо поле\n",[2982,8104,8105,8107,8109,8112,8114,8117,8120],{"class":2984,"line":3049},[2982,8106,6788],{"class":2992},[2982,8108,3153],{"class":2996},[2982,8110,8111],{"class":3004},"setBio",[2982,8113,3072],{"class":2996},[2982,8115,8116],{"class":3075},"\"Нова біографія\"",[2982,8118,8119],{"class":2996},");     ",[2982,8121,8122],{"class":3143},"// ще одна зміна\n",[2982,8124,8125],{"class":2984,"line":3056},[2982,8126,3053],{"emptyLinePlaceholder":3052},[2982,8128,8129,8131,8133,8135,8137],{"class":2984,"line":3088},[2982,8130,6448],{"class":2992},[2982,8132,3153],{"class":2996},[2982,8134,5157],{"class":3004},[2982,8136,5160],{"class":2996},[2982,8138,8139],{"class":3143},"// UoW сам знайде, що author змінився → UPDATE\n",[8141,8142,8143,8144,3240,8147,8150,8151,8154,8155,8158,8159,8161,8162,8165,8166,8169],"tip",{},"Саме цей механізм реалізує Hibernate: при ",[2964,8145,8146],{},"session.load()",[2964,8148,8149],{},"session.get()"," Hibernate зберігає ",[2964,8152,8153],{},"Object[] loadedState"," — масив значень всіх полів на момент завантаження. При ",[2964,8156,8157],{},"session.flush()"," (аналог ",[2964,8160,3285],{},") Hibernate порівнює поточний стан з ",[2964,8163,8164],{},"loadedState"," і виконує UPDATE лише для змінених об'єктів. Технічно це називається ",[3217,8167,8168],{},"Dirty Checking"," (перевірка брудності).",[3246,8171],{},[2959,8173,8175],{"id":8174},"координація-з-identity-map","Координація з Identity Map",[2969,8177,8178,8179,6575],{},"Unit of Work і Identity Map є природними партнерами — разом вони формують ",[3217,8180,8181],{},"Session Layer",[3379,8183,8184,8190],{},[3382,8185,8186,8189],{},[3217,8187,8188],{},"Identity Map"," гарантує: один ID → один екземпляр об'єкта в пам'яті",[3382,8191,8192,8194],{},[3217,8193,3256],{}," гарантує: всі зміни фіксуються атомарно",[2973,8196,8198],{"className":2975,"code":8197,"language":2977,"meta":3449,"style":2978},"package com.example.audiobook.persistence;\n\nimport com.example.audiobook.db.ConnectionManager;\nimport com.example.audiobook.domain.Author;\nimport com.example.audiobook.domain.Genre;\nimport com.example.audiobook.domain.Audiobook;\nimport com.example.audiobook.repository.*;\n\nimport java.util.Optional;\nimport java.util.UUID;\n\n/**\n * Session — координатор Identity Map і Unit of Work.\n * \u003Cp>\n * Об'єднує кешування (Identity Map) і відстеження змін (Unit of Work)\n * в єдину «сесію роботи з БД».\n * \u003Cp>\n * Цей клас є спрощеною аналогією {@code EntityManager} у JPA\n * або {@code Session} у Hibernate.\n */\npublic class Session {\n\n    private final JdbcUnitOfWork  unitOfWork;\n    private final IdentityMap\u003CUUID, Author>    authorMap    = new IdentityMap\u003C>();\n    private final IdentityMap\u003CUUID, Genre>     genreMap     = new IdentityMap\u003C>();\n    private final IdentityMap\u003CUUID, Audiobook> audiobookMap = new IdentityMap\u003C>();\n\n    private final AuthorRepository    authorRepo;\n    private final GenreRepository     genreRepo;\n    private final AudiobookRepository audiobookRepo;\n\n    public Session(ConnectionManager cm,\n                   AuthorRepository authorRepo,\n                   GenreRepository genreRepo,\n                   AudiobookRepository audiobookRepo) {\n        this.authorRepo    = authorRepo;\n        this.genreRepo     = genreRepo;\n        this.audiobookRepo = audiobookRepo;\n        this.unitOfWork = new JdbcUnitOfWork(cm, authorRepo, genreRepo, audiobookRepo);\n    }\n\n    // ─── Author ──────────────────────────────────────────────────────────────\n\n    /**\n     * Завантажує автора з БД або повертає з Identity Map.\n     * Завантажений об'єкт реєструється як «чистий» у Unit of Work.\n     */\n    public Optional\u003CAuthor> findAuthor(UUID id) {\n        Optional\u003CAuthor> cached = authorMap.get(id);\n        if (cached.isPresent()) {\n            return cached;           // Identity Map: cache hit\n        }\n        Optional\u003CAuthor> fromDb = authorRepo.findById(id);\n        fromDb.ifPresent(author -> {\n            authorMap.put(id, author);     // Identity Map: реєструємо\n            unitOfWork.registerClean(author); // UoW: позначаємо як чистий\n        });\n        return fromDb;\n    }\n\n    /**\n     * Реєструє нового автора для збереження.\n     * Автор додається до Identity Map (щоб findAuthor вже знаходив його)\n     * і до Unit of Work (щоб при commit виконався INSERT).\n     */\n    public void persistAuthor(Author author) {\n        authorMap.put(author.getId(), author);  // Identity Map\n        unitOfWork.registerNew(author);          // Unit of Work\n    }\n\n    /**\n     * Позначає автора як змінений.\n     * Клієнт зобов'язаний викликати після кожної зміни полів\n     * (або використовуйте snapshot tracking для автоматичного виявлення).\n     */\n    public void updateAuthor(Author author) {\n        // Identity Map вже містить посилання на той самий об'єкт\n        // (завдяки тому, що findAuthor повертає кешований екземпляр)\n        unitOfWork.registerDirty(author);\n    }\n\n    /**\n     * Позначає автора для видалення.\n     */\n    public void removeAuthor(Author author) {\n        authorMap.remove(author.getId());    // видаляємо з Identity Map\n        unitOfWork.registerDeleted(author);  // Unit of Work виконає DELETE при commit\n    }\n\n    // ─── Аналогічні методи для Genre та Audiobook (скорочено) ────────────────\n\n    public Optional\u003CGenre> findGenre(UUID id) {\n        return genreMap.get(id).or(() -> genreRepo.findById(id).map(g -> {\n            genreMap.put(id, g);\n            unitOfWork.registerClean(g);\n            return g;\n        }));\n    }\n\n    public void persistGenre(Genre genre) {\n        genreMap.put(genre.getId(), genre);\n        unitOfWork.registerNew(genre);\n    }\n\n    // ─── Транзакційні операції ────────────────────────────────────────────────\n\n    /**\n     * Фіксує всі зміни в одній JDBC-транзакції.\n     * Після успіху очищає UoW-реєстри (але НЕ Identity Map — кеш залишається).\n     */\n    public void commit() {\n        unitOfWork.commit();\n        // Identity Map залишається — після commit об'єкти ті самі,\n        // і findAuthor/findGenre і далі повертатимуть кешовані об'єкти\n    }\n\n    /**\n     * Відміняє всі незафіксовані зміни.\n     * Очищає UoW-реєстри, але НЕ Identity Map (кеш залишається валідним).\n     */\n    public void rollback() {\n        unitOfWork.rollback();\n        // Увага: після rollback об'єкти у Identity Map можуть мати\n        // зміни, що не потрапили у БД. Для повної коректності —\n        // очистити і Identity Map теж, або перевантажити змінені об'єкти.\n    }\n\n    /**\n     * Повністю закриває сесію: очищає UoW і Identity Map.\n     */\n    public void close() {\n        unitOfWork.rollback();\n        authorMap.clear();\n        genreMap.clear();\n        audiobookMap.clear();\n    }\n}\n",[2964,8199,8200,8206,8210,8216,8222,8228,8234,8241,8245,8252,8258,8262,8266,8271,8275,8280,8285,8289,8294,8299,8303,8314,8318,8331,8363,8393,8422,8426,8438,8450,8463,8467,8483,8493,8503,8512,8523,8534,8546,8564,8568,8572,8577,8581,8585,8590,8595,8599,8623,8647,8663,8673,8677,8700,8716,8731,8746,8751,8758,8762,8766,8770,8775,8780,8785,8789,8806,8829,8844,8848,8852,8856,8861,8866,8871,8875,8892,8897,8902,8912,8916,8920,8924,8929,8933,8950,8972,8985,8989,8993,8998,9002,9025,9064,9076,9086,9093,9098,9102,9106,9124,9145,9156,9160,9164,9169,9173,9177,9181,9186,9190,9200,9210,9215,9220,9224,9228,9232,9237,9242,9246,9256,9266,9271,9276,9281,9285,9289,9293,9298,9302,9313,9323,9333,9343,9354,9358],{"__ignoreMap":2978},[2982,8201,8202,8204],{"class":2984,"line":2985},[2982,8203,3457],{"class":3456},[2982,8205,3460],{"class":2996},[2982,8207,8208],{"class":2984,"line":3011},[2982,8209,3053],{"emptyLinePlaceholder":3052},[2982,8211,8212,8214],{"class":2984,"line":3030},[2982,8213,4068],{"class":3456},[2982,8215,4071],{"class":2996},[2982,8217,8218,8220],{"class":2984,"line":3049},[2982,8219,4068],{"class":3456},[2982,8221,4085],{"class":2996},[2982,8223,8224,8226],{"class":2984,"line":3056},[2982,8225,4068],{"class":3456},[2982,8227,4092],{"class":2996},[2982,8229,8230,8232],{"class":2984,"line":3088},[2982,8231,4068],{"class":3456},[2982,8233,4099],{"class":2996},[2982,8235,8236,8238],{"class":2984,"line":3111},[2982,8237,4068],{"class":3456},[2982,8239,8240],{"class":2996}," com.example.audiobook.repository.*;\n",[2982,8242,8243],{"class":2984,"line":3135},[2982,8244,3053],{"emptyLinePlaceholder":3052},[2982,8246,8247,8249],{"class":2984,"line":3140},[2982,8248,4068],{"class":3456},[2982,8250,8251],{"class":2996}," java.util.Optional;\n",[2982,8253,8254,8256],{"class":2984,"line":3147},[2982,8255,4068],{"class":3456},[2982,8257,6877],{"class":2996},[2982,8259,8260],{"class":2984,"line":3165},[2982,8261,3053],{"emptyLinePlaceholder":3052},[2982,8263,8264],{"class":2984,"line":3181},[2982,8265,3469],{"class":3143},[2982,8267,8268],{"class":2984,"line":3368},[2982,8269,8270],{"class":3143}," * Session — координатор Identity Map і Unit of Work.\n",[2982,8272,8273],{"class":2984,"line":3374},[2982,8274,3479],{"class":3143},[2982,8276,8277],{"class":2984,"line":3537},[2982,8278,8279],{"class":3143}," * Об'єднує кешування (Identity Map) і відстеження змін (Unit of Work)\n",[2982,8281,8282],{"class":2984,"line":3543},[2982,8283,8284],{"class":3143}," * в єдину «сесію роботи з БД».\n",[2982,8286,8287],{"class":2984,"line":3552},[2982,8288,3479],{"class":3143},[2982,8290,8291],{"class":2984,"line":3558},[2982,8292,8293],{"class":3143}," * Цей клас є спрощеною аналогією {@code EntityManager} у JPA\n",[2982,8295,8296],{"class":2984,"line":3564},[2982,8297,8298],{"class":3143}," * або {@code Session} у Hibernate.\n",[2982,8300,8301],{"class":2984,"line":3569},[2982,8302,3608],{"class":3143},[2982,8304,8305,8307,8309,8312],{"class":2984,"line":3575},[2982,8306,3614],{"class":3456},[2982,8308,4256],{"class":3456},[2982,8310,8311],{"class":2988}," Session",[2982,8313,3623],{"class":2996},[2982,8315,8316],{"class":2984,"line":3581},[2982,8317,3053],{"emptyLinePlaceholder":3052},[2982,8319,8320,8322,8324,8326,8329],{"class":2984,"line":3587},[2982,8321,4275],{"class":3456},[2982,8323,4278],{"class":3456},[2982,8325,4259],{"class":2988},[2982,8327,8328],{"class":2992},"  unitOfWork",[2982,8330,4287],{"class":2996},[2982,8332,8333,8335,8337,8340,8342,8344,8346,8348,8351,8354,8357,8359,8361],{"class":2984,"line":3593},[2982,8334,4275],{"class":3456},[2982,8336,4278],{"class":3456},[2982,8338,8339],{"class":2988}," IdentityMap",[2982,8341,4369],{"class":2996},[2982,8343,7285],{"class":2988},[2982,8345,3079],{"class":2996},[2982,8347,3059],{"class":2988},[2982,8349,8350],{"class":2996},">    ",[2982,8352,8353],{"class":2992},"authorMap",[2982,8355,8356],{"class":2996},"    = ",[2982,8358,3001],{"class":3000},[2982,8360,8339],{"class":2988},[2982,8362,4388],{"class":2996},[2982,8364,8365,8367,8369,8371,8373,8375,8377,8379,8382,8385,8387,8389,8391],{"class":2984,"line":3599},[2982,8366,4275],{"class":3456},[2982,8368,4278],{"class":3456},[2982,8370,8339],{"class":2988},[2982,8372,4369],{"class":2996},[2982,8374,7285],{"class":2988},[2982,8376,3079],{"class":2996},[2982,8378,3091],{"class":2988},[2982,8380,8381],{"class":2996},">     ",[2982,8383,8384],{"class":2992},"genreMap",[2982,8386,4380],{"class":2996},[2982,8388,3001],{"class":3000},[2982,8390,8339],{"class":2988},[2982,8392,4388],{"class":2996},[2982,8394,8395,8397,8399,8401,8403,8405,8407,8409,8411,8414,8416,8418,8420],{"class":2984,"line":3605},[2982,8396,4275],{"class":3456},[2982,8398,4278],{"class":3456},[2982,8400,8339],{"class":2988},[2982,8402,4369],{"class":2996},[2982,8404,7285],{"class":2988},[2982,8406,3079],{"class":2996},[2982,8408,3114],{"class":2988},[2982,8410,4374],{"class":2996},[2982,8412,8413],{"class":2992},"audiobookMap",[2982,8415,2997],{"class":2996},[2982,8417,3001],{"class":3000},[2982,8419,8339],{"class":2988},[2982,8421,4388],{"class":2996},[2982,8423,8424],{"class":2984,"line":3611},[2982,8425,3053],{"emptyLinePlaceholder":3052},[2982,8427,8428,8430,8432,8434,8436],{"class":2984,"line":3626},[2982,8429,4275],{"class":3456},[2982,8431,4278],{"class":3456},[2982,8433,4310],{"class":2988},[2982,8435,2993],{"class":2992},[2982,8437,4287],{"class":2996},[2982,8439,8440,8442,8444,8446,8448],{"class":2984,"line":3631},[2982,8441,4275],{"class":3456},[2982,8443,4278],{"class":3456},[2982,8445,4324],{"class":2988},[2982,8447,3017],{"class":2992},[2982,8449,4287],{"class":2996},[2982,8451,8452,8454,8456,8458,8461],{"class":2984,"line":3637},[2982,8453,4275],{"class":3456},[2982,8455,4278],{"class":3456},[2982,8457,4338],{"class":2988},[2982,8459,8460],{"class":2992}," audiobookRepo",[2982,8462,4287],{"class":2996},[2982,8464,8465],{"class":2984,"line":3651},[2982,8466,3053],{"emptyLinePlaceholder":3052},[2982,8468,8469,8471,8473,8475,8478,8481],{"class":2984,"line":3657},[2982,8470,4447],{"class":3456},[2982,8472,8311],{"class":3004},[2982,8474,3072],{"class":2996},[2982,8476,8477],{"class":2988},"ConnectionManager",[2982,8479,8480],{"class":2992}," cm",[2982,8482,4462],{"class":2996},[2982,8484,8485,8488,8491],{"class":2984,"line":3663},[2982,8486,8487],{"class":2988},"                   AuthorRepository",[2982,8489,8490],{"class":2992}," authorRepo",[2982,8492,4462],{"class":2996},[2982,8494,8495,8498,8501],{"class":2984,"line":3678},[2982,8496,8497],{"class":2988},"                   GenreRepository",[2982,8499,8500],{"class":2992}," genreRepo",[2982,8502,4462],{"class":2996},[2982,8504,8505,8508,8510],{"class":2984,"line":3692},[2982,8506,8507],{"class":2988},"                   AudiobookRepository",[2982,8509,8460],{"class":2992},[2982,8511,4492],{"class":2996},[2982,8513,8514,8516,8518,8520],{"class":2984,"line":3698},[2982,8515,4497],{"class":3456},[2982,8517,3153],{"class":2996},[2982,8519,3150],{"class":2992},[2982,8521,8522],{"class":2996},"    = authorRepo;\n",[2982,8524,8525,8527,8529,8531],{"class":2984,"line":3716},[2982,8526,4497],{"class":3456},[2982,8528,3153],{"class":2996},[2982,8530,3168],{"class":2992},[2982,8532,8533],{"class":2996},"     = genreRepo;\n",[2982,8535,8536,8538,8540,8543],{"class":2984,"line":3721},[2982,8537,4497],{"class":3456},[2982,8539,3153],{"class":2996},[2982,8541,8542],{"class":2992},"audiobookRepo",[2982,8544,8545],{"class":2996}," = audiobookRepo;\n",[2982,8547,8548,8550,8552,8555,8557,8559,8561],{"class":2984,"line":3726},[2982,8549,4497],{"class":3456},[2982,8551,3153],{"class":2996},[2982,8553,8554],{"class":2992},"unitOfWork",[2982,8556,2997],{"class":2996},[2982,8558,3001],{"class":3000},[2982,8560,4259],{"class":3004},[2982,8562,8563],{"class":2996},"(cm, authorRepo, genreRepo, audiobookRepo);\n",[2982,8565,8566],{"class":2984,"line":3732},[2982,8567,4546],{"class":2996},[2982,8569,8570],{"class":2984,"line":3747},[2982,8571,3053],{"emptyLinePlaceholder":3052},[2982,8573,8574],{"class":2984,"line":3753},[2982,8575,8576],{"class":3143},"    // ─── Author ──────────────────────────────────────────────────────────────\n",[2982,8578,8579],{"class":2984,"line":3758},[2982,8580,3053],{"emptyLinePlaceholder":3052},[2982,8582,8583],{"class":2984,"line":3770},[2982,8584,3634],{"class":3143},[2982,8586,8587],{"class":2984,"line":3775},[2982,8588,8589],{"class":3143},"     * Завантажує автора з БД або повертає з Identity Map.\n",[2982,8591,8592],{"class":2984,"line":3791},[2982,8593,8594],{"class":3143},"     * Завантажений об'єкт реєструється як «чистий» у Unit of Work.\n",[2982,8596,8597],{"class":2984,"line":3796},[2982,8598,3695],{"class":3143},[2982,8600,8601,8603,8606,8608,8610,8612,8615,8617,8619,8621],{"class":2984,"line":3801},[2982,8602,4447],{"class":3456},[2982,8604,8605],{"class":2988}," Optional",[2982,8607,4369],{"class":2996},[2982,8609,3059],{"class":2988},[2982,8611,4374],{"class":2996},[2982,8613,8614],{"class":3004},"findAuthor",[2982,8616,3072],{"class":2996},[2982,8618,7285],{"class":2988},[2982,8620,7889],{"class":2992},[2982,8622,4492],{"class":2996},[2982,8624,8625,8628,8630,8632,8634,8637,8639,8641,8643,8645],{"class":2984,"line":3815},[2982,8626,8627],{"class":2988},"        Optional",[2982,8629,4369],{"class":2996},[2982,8631,3059],{"class":2988},[2982,8633,4374],{"class":2996},[2982,8635,8636],{"class":2992},"cached",[2982,8638,2997],{"class":2996},[2982,8640,8353],{"class":2992},[2982,8642,3153],{"class":2996},[2982,8644,6775],{"class":3004},[2982,8646,8083],{"class":2996},[2982,8648,8649,8651,8653,8655,8657,8660],{"class":2984,"line":3829},[2982,8650,4585],{"class":3000},[2982,8652,4588],{"class":2996},[2982,8654,8636],{"class":2992},[2982,8656,3153],{"class":2996},[2982,8658,8659],{"class":3004},"isPresent",[2982,8661,8662],{"class":2996},"()) {\n",[2982,8664,8665,8667,8670],{"class":2984,"line":3835},[2982,8666,4649],{"class":3000},[2982,8668,8669],{"class":2996}," cached;           ",[2982,8671,8672],{"class":3143},"// Identity Map: cache hit\n",[2982,8674,8675],{"class":2984,"line":3840},[2982,8676,4625],{"class":2996},[2982,8678,8679,8681,8683,8685,8687,8690,8692,8694,8696,8698],{"class":2984,"line":3852},[2982,8680,8627],{"class":2988},[2982,8682,4369],{"class":2996},[2982,8684,3059],{"class":2988},[2982,8686,4374],{"class":2996},[2982,8688,8689],{"class":2992},"fromDb",[2982,8691,2997],{"class":2996},[2982,8693,3150],{"class":2992},[2982,8695,3153],{"class":2996},[2982,8697,7908],{"class":3004},[2982,8699,8083],{"class":2996},[2982,8701,8702,8705,8707,8710,8712,8714],{"class":2984,"line":3857},[2982,8703,8704],{"class":2992},"        fromDb",[2982,8706,3153],{"class":2996},[2982,8708,8709],{"class":3004},"ifPresent",[2982,8711,7545],{"class":2996},[2982,8713,7548],{"class":3456},[2982,8715,3623],{"class":2996},[2982,8717,8718,8721,8723,8725,8728],{"class":2984,"line":3873},[2982,8719,8720],{"class":2992},"            authorMap",[2982,8722,3153],{"class":2996},[2982,8724,7405],{"class":3004},[2982,8726,8727],{"class":2996},"(id, author);     ",[2982,8729,8730],{"class":3143},"// Identity Map: реєструємо\n",[2982,8732,8733,8736,8738,8741,8743],{"class":2984,"line":3878},[2982,8734,8735],{"class":2992},"            unitOfWork",[2982,8737,3153],{"class":2996},[2982,8739,8740],{"class":3004},"registerClean",[2982,8742,7929],{"class":2996},[2982,8744,8745],{"class":3143},"// UoW: позначаємо як чистий\n",[2982,8747,8748],{"class":2984,"line":3883},[2982,8749,8750],{"class":2996},"        });\n",[2982,8752,8753,8755],{"class":2984,"line":3889},[2982,8754,7518],{"class":3000},[2982,8756,8757],{"class":2996}," fromDb;\n",[2982,8759,8760],{"class":2984,"line":3895},[2982,8761,4546],{"class":2996},[2982,8763,8764],{"class":2984,"line":3900},[2982,8765,3053],{"emptyLinePlaceholder":3052},[2982,8767,8768],{"class":2984,"line":3912},[2982,8769,3634],{"class":3143},[2982,8771,8772],{"class":2984,"line":3917},[2982,8773,8774],{"class":3143},"     * Реєструє нового автора для збереження.\n",[2982,8776,8777],{"class":2984,"line":3933},[2982,8778,8779],{"class":3143},"     * Автор додається до Identity Map (щоб findAuthor вже знаходив його)\n",[2982,8781,8782],{"class":2984,"line":3938},[2982,8783,8784],{"class":3143},"     * і до Unit of Work (щоб при commit виконався INSERT).\n",[2982,8786,8787],{"class":2984,"line":3943},[2982,8788,3695],{"class":3143},[2982,8790,8791,8793,8795,8798,8800,8802,8804],{"class":2984,"line":3949},[2982,8792,4447],{"class":3456},[2982,8794,4565],{"class":2988},[2982,8796,8797],{"class":3004}," persistAuthor",[2982,8799,3072],{"class":2996},[2982,8801,3059],{"class":2988},[2982,8803,3062],{"class":2992},[2982,8805,4492],{"class":2996},[2982,8807,8808,8811,8813,8815,8817,8819,8821,8823,8826],{"class":2984,"line":3955},[2982,8809,8810],{"class":2992},"        authorMap",[2982,8812,3153],{"class":2996},[2982,8814,7405],{"class":3004},[2982,8816,3072],{"class":2996},[2982,8818,6788],{"class":2992},[2982,8820,3153],{"class":2996},[2982,8822,5802],{"class":3004},[2982,8824,8825],{"class":2996},"(), author);  ",[2982,8827,8828],{"class":3143},"// Identity Map\n",[2982,8830,8831,8834,8836,8838,8841],{"class":2984,"line":3961},[2982,8832,8833],{"class":2992},"        unitOfWork",[2982,8835,3153],{"class":2996},[2982,8837,6325],{"class":3004},[2982,8839,8840],{"class":2996},"(author);          ",[2982,8842,8843],{"class":3143},"// Unit of Work\n",[2982,8845,8846],{"class":2984,"line":3967},[2982,8847,4546],{"class":2996},[2982,8849,8850],{"class":2984,"line":3972},[2982,8851,3053],{"emptyLinePlaceholder":3052},[2982,8853,8854],{"class":2984,"line":3985},[2982,8855,3634],{"class":3143},[2982,8857,8858],{"class":2984,"line":3990},[2982,8859,8860],{"class":3143},"     * Позначає автора як змінений.\n",[2982,8862,8863],{"class":2984,"line":4001},[2982,8864,8865],{"class":3143},"     * Клієнт зобов'язаний викликати після кожної зміни полів\n",[2982,8867,8868],{"class":2984,"line":4006},[2982,8869,8870],{"class":3143},"     * (або використовуйте snapshot tracking для автоматичного виявлення).\n",[2982,8872,8873],{"class":2984,"line":4011},[2982,8874,3695],{"class":3143},[2982,8876,8877,8879,8881,8884,8886,8888,8890],{"class":2984,"line":4017},[2982,8878,4447],{"class":3456},[2982,8880,4565],{"class":2988},[2982,8882,8883],{"class":3004}," updateAuthor",[2982,8885,3072],{"class":2996},[2982,8887,3059],{"class":2988},[2982,8889,3062],{"class":2992},[2982,8891,4492],{"class":2996},[2982,8893,8894],{"class":2984,"line":4023},[2982,8895,8896],{"class":3143},"        // Identity Map вже містить посилання на той самий об'єкт\n",[2982,8898,8899],{"class":2984,"line":4028},[2982,8900,8901],{"class":3143},"        // (завдяки тому, що findAuthor повертає кешований екземпляр)\n",[2982,8903,8904,8906,8908,8910],{"class":2984,"line":4038},[2982,8905,8833],{"class":2992},[2982,8907,3153],{"class":2996},[2982,8909,6328],{"class":3004},[2982,8911,7600],{"class":2996},[2982,8913,8914],{"class":2984,"line":4720},[2982,8915,4546],{"class":2996},[2982,8917,8918],{"class":2984,"line":4726},[2982,8919,3053],{"emptyLinePlaceholder":3052},[2982,8921,8922],{"class":2984,"line":4733},[2982,8923,3634],{"class":3143},[2982,8925,8926],{"class":2984,"line":4738},[2982,8927,8928],{"class":3143},"     * Позначає автора для видалення.\n",[2982,8930,8931],{"class":2984,"line":4753},[2982,8932,3695],{"class":3143},[2982,8934,8935,8937,8939,8942,8944,8946,8948],{"class":2984,"line":4764},[2982,8936,4447],{"class":3456},[2982,8938,4565],{"class":2988},[2982,8940,8941],{"class":3004}," removeAuthor",[2982,8943,3072],{"class":2996},[2982,8945,3059],{"class":2988},[2982,8947,3062],{"class":2992},[2982,8949,4492],{"class":2996},[2982,8951,8952,8954,8956,8958,8960,8962,8964,8966,8969],{"class":2984,"line":4773},[2982,8953,8810],{"class":2992},[2982,8955,3153],{"class":2996},[2982,8957,4841],{"class":3004},[2982,8959,3072],{"class":2996},[2982,8961,6788],{"class":2992},[2982,8963,3153],{"class":2996},[2982,8965,5802],{"class":3004},[2982,8967,8968],{"class":2996},"());    ",[2982,8970,8971],{"class":3143},"// видаляємо з Identity Map\n",[2982,8973,8974,8976,8978,8980,8982],{"class":2984,"line":4778},[2982,8975,8833],{"class":2992},[2982,8977,3153],{"class":2996},[2982,8979,6331],{"class":3004},[2982,8981,3159],{"class":2996},[2982,8983,8984],{"class":3143},"// Unit of Work виконає DELETE при commit\n",[2982,8986,8987],{"class":2984,"line":4790},[2982,8988,4546],{"class":2996},[2982,8990,8991],{"class":2984,"line":4795},[2982,8992,3053],{"emptyLinePlaceholder":3052},[2982,8994,8995],{"class":2984,"line":4800},[2982,8996,8997],{"class":3143},"    // ─── Аналогічні методи для Genre та Audiobook (скорочено) ────────────────\n",[2982,8999,9000],{"class":2984,"line":4807},[2982,9001,3053],{"emptyLinePlaceholder":3052},[2982,9003,9004,9006,9008,9010,9012,9014,9017,9019,9021,9023],{"class":2984,"line":4824},[2982,9005,4447],{"class":3456},[2982,9007,8605],{"class":2988},[2982,9009,4369],{"class":2996},[2982,9011,3091],{"class":2988},[2982,9013,4374],{"class":2996},[2982,9015,9016],{"class":3004},"findGenre",[2982,9018,3072],{"class":2996},[2982,9020,7285],{"class":2988},[2982,9022,7889],{"class":2992},[2982,9024,4492],{"class":2996},[2982,9026,9027,9029,9032,9034,9036,9038,9041,9044,9046,9048,9050,9052,9054,9057,9060,9062],{"class":2984,"line":4830},[2982,9028,7518],{"class":3000},[2982,9030,9031],{"class":2992}," genreMap",[2982,9033,3153],{"class":2996},[2982,9035,6775],{"class":3004},[2982,9037,7911],{"class":2996},[2982,9039,9040],{"class":3004},"or",[2982,9042,9043],{"class":2996},"(() ",[2982,9045,7548],{"class":3456},[2982,9047,8500],{"class":2992},[2982,9049,3153],{"class":2996},[2982,9051,7908],{"class":3004},[2982,9053,7911],{"class":2996},[2982,9055,9056],{"class":3004},"map",[2982,9058,9059],{"class":2996},"(g ",[2982,9061,7548],{"class":3456},[2982,9063,3623],{"class":2996},[2982,9065,9066,9069,9071,9073],{"class":2984,"line":4846},[2982,9067,9068],{"class":2992},"            genreMap",[2982,9070,3153],{"class":2996},[2982,9072,7405],{"class":3004},[2982,9074,9075],{"class":2996},"(id, g);\n",[2982,9077,9078,9080,9082,9084],{"class":2984,"line":4857},[2982,9079,8735],{"class":2992},[2982,9081,3153],{"class":2996},[2982,9083,8740],{"class":3004},[2982,9085,5499],{"class":2996},[2982,9087,9088,9090],{"class":2984,"line":4862},[2982,9089,4649],{"class":3000},[2982,9091,9092],{"class":2996}," g;\n",[2982,9094,9095],{"class":2984,"line":4877},[2982,9096,9097],{"class":2996},"        }));\n",[2982,9099,9100],{"class":2984,"line":4889},[2982,9101,4546],{"class":2996},[2982,9103,9104],{"class":2984,"line":4894},[2982,9105,3053],{"emptyLinePlaceholder":3052},[2982,9107,9108,9110,9112,9115,9117,9119,9122],{"class":2984,"line":4899},[2982,9109,4447],{"class":3456},[2982,9111,4565],{"class":2988},[2982,9113,9114],{"class":3004}," persistGenre",[2982,9116,3072],{"class":2996},[2982,9118,3091],{"class":2988},[2982,9120,9121],{"class":2992}," genre",[2982,9123,4492],{"class":2996},[2982,9125,9126,9129,9131,9133,9135,9138,9140,9142],{"class":2984,"line":4906},[2982,9127,9128],{"class":2992},"        genreMap",[2982,9130,3153],{"class":2996},[2982,9132,7405],{"class":3004},[2982,9134,3072],{"class":2996},[2982,9136,9137],{"class":2992},"genre",[2982,9139,3153],{"class":2996},[2982,9141,5802],{"class":3004},[2982,9143,9144],{"class":2996},"(), genre);\n",[2982,9146,9147,9149,9151,9153],{"class":2984,"line":4923},[2982,9148,8833],{"class":2992},[2982,9150,3153],{"class":2996},[2982,9152,6325],{"class":3004},[2982,9154,9155],{"class":2996},"(genre);\n",[2982,9157,9158],{"class":2984,"line":4929},[2982,9159,4546],{"class":2996},[2982,9161,9162],{"class":2984,"line":4935},[2982,9163,3053],{"emptyLinePlaceholder":3052},[2982,9165,9166],{"class":2984,"line":4940},[2982,9167,9168],{"class":3143},"    // ─── Транзакційні операції ────────────────────────────────────────────────\n",[2982,9170,9171],{"class":2984,"line":4945},[2982,9172,3053],{"emptyLinePlaceholder":3052},[2982,9174,9175],{"class":2984,"line":4950},[2982,9176,3634],{"class":3143},[2982,9178,9179],{"class":2984,"line":4955},[2982,9180,3946],{"class":3143},[2982,9182,9183],{"class":2984,"line":4960},[2982,9184,9185],{"class":3143},"     * Після успіху очищає UoW-реєстри (але НЕ Identity Map — кеш залишається).\n",[2982,9187,9188],{"class":2984,"line":4966},[2982,9189,3695],{"class":3143},[2982,9191,9192,9194,9196,9198],{"class":2984,"line":4972},[2982,9193,4447],{"class":3456},[2982,9195,4565],{"class":2988},[2982,9197,3995],{"class":3004},[2982,9199,5023],{"class":2996},[2982,9201,9202,9204,9206,9208],{"class":2984,"line":4978},[2982,9203,8833],{"class":2992},[2982,9205,3153],{"class":2996},[2982,9207,5157],{"class":3004},[2982,9209,3998],{"class":2996},[2982,9211,9212],{"class":2984,"line":4984},[2982,9213,9214],{"class":3143},"        // Identity Map залишається — після commit об'єкти ті самі,\n",[2982,9216,9217],{"class":2984,"line":4990},[2982,9218,9219],{"class":3143},"        // і findAuthor/findGenre і далі повертатимуть кешовані об'єкти\n",[2982,9221,9222],{"class":2984,"line":4996},[2982,9223,4546],{"class":2996},[2982,9225,9226],{"class":2984,"line":5002},[2982,9227,3053],{"emptyLinePlaceholder":3052},[2982,9229,9230],{"class":2984,"line":5007},[2982,9231,3634],{"class":3143},[2982,9233,9234],{"class":2984,"line":5014},[2982,9235,9236],{"class":3143},"     * Відміняє всі незафіксовані зміни.\n",[2982,9238,9239],{"class":2984,"line":5026},[2982,9240,9241],{"class":3143},"     * Очищає UoW-реєстри, але НЕ Identity Map (кеш залишається валідним).\n",[2982,9243,9244],{"class":2984,"line":5042},[2982,9245,3695],{"class":3143},[2982,9247,9248,9250,9252,9254],{"class":2984,"line":5050},[2982,9249,4447],{"class":3456},[2982,9251,4565],{"class":2988},[2982,9253,4033],{"class":3004},[2982,9255,5023],{"class":2996},[2982,9257,9258,9260,9262,9264],{"class":2984,"line":5065},[2982,9259,8833],{"class":2992},[2982,9261,3153],{"class":2996},[2982,9263,6043],{"class":3004},[2982,9265,3998],{"class":2996},[2982,9267,9268],{"class":2984,"line":5087},[2982,9269,9270],{"class":3143},"        // Увага: після rollback об'єкти у Identity Map можуть мати\n",[2982,9272,9273],{"class":2984,"line":5092},[2982,9274,9275],{"class":3143},"        // зміни, що не потрапили у БД. Для повної коректності —\n",[2982,9277,9278],{"class":2984,"line":5098},[2982,9279,9280],{"class":3143},"        // очистити і Identity Map теж, або перевантажити змінені об'єкти.\n",[2982,9282,9283],{"class":2984,"line":5107},[2982,9284,4546],{"class":2996},[2982,9286,9287],{"class":2984,"line":5112},[2982,9288,3053],{"emptyLinePlaceholder":3052},[2982,9290,9291],{"class":2984,"line":5118},[2982,9292,3634],{"class":3143},[2982,9294,9295],{"class":2984,"line":5126},[2982,9296,9297],{"class":3143},"     * Повністю закриває сесію: очищає UoW і Identity Map.\n",[2982,9299,9300],{"class":2984,"line":5131},[2982,9301,3695],{"class":3143},[2982,9303,9304,9306,9308,9311],{"class":2984,"line":5137},[2982,9305,4447],{"class":3456},[2982,9307,4565],{"class":2988},[2982,9309,9310],{"class":3004}," close",[2982,9312,5023],{"class":2996},[2982,9314,9315,9317,9319,9321],{"class":2984,"line":5145},[2982,9316,8833],{"class":2992},[2982,9318,3153],{"class":2996},[2982,9320,6043],{"class":3004},[2982,9322,3998],{"class":2996},[2982,9324,9325,9327,9329,9331],{"class":2984,"line":5150},[2982,9326,8810],{"class":2992},[2982,9328,3153],{"class":2996},[2982,9330,5954],{"class":3004},[2982,9332,3998],{"class":2996},[2982,9334,9335,9337,9339,9341],{"class":2984,"line":5166},[2982,9336,9128],{"class":2992},[2982,9338,3153],{"class":2996},[2982,9340,5954],{"class":3004},[2982,9342,3998],{"class":2996},[2982,9344,9345,9348,9350,9352],{"class":2984,"line":5178},[2982,9346,9347],{"class":2992},"        audiobookMap",[2982,9349,3153],{"class":2996},[2982,9351,5954],{"class":3004},[2982,9353,3998],{"class":2996},[2982,9355,9356],{"class":2984,"line":5183},[2982,9357,4546],{"class":2996},[2982,9359,9360],{"class":2984,"line":5202},[2982,9361,4041],{"class":2996},[2969,9363,9364,9365,9368,9369,9372],{},"Клас ",[2964,9366,9367],{},"Session"," є спрощеним аналогом ",[2964,9370,9371],{},"EntityManager"," у JPA. Він координує Identity Map і Unit of Work так, щоб клієнтський код взаємодіяв лише з одним об'єктом:",[2973,9374,9376],{"className":2975,"code":9375,"language":2977,"meta":2978,"style":2978},"// Клієнтський код використовує тільки Session\nSession session = new Session(cm, authorRepo, genreRepo, audiobookRepo);\ntry {\n    Author author = session.findAuthor(id).orElseThrow();\n    author.setFirstName(\"Оновлене ім'я\");\n    session.updateAuthor(author);\n\n    Genre newGenre = new Genre(\"Нова поезія\");\n    session.persistGenre(newGenre);\n\n    session.commit(); // один COMMIT для обох операцій\n} catch (Exception e) {\n    session.rollback();\n} finally {\n    session.close();\n}\n",[2964,9377,9378,9383,9398,9405,9427,9443,9455,9459,9480,9492,9496,9509,9524,9534,9542,9552],{"__ignoreMap":2978},[2982,9379,9380],{"class":2984,"line":2985},[2982,9381,9382],{"class":3143},"// Клієнтський код використовує тільки Session\n",[2982,9384,9385,9387,9390,9392,9394,9396],{"class":2984,"line":3011},[2982,9386,9367],{"class":2988},[2982,9388,9389],{"class":2992}," session",[2982,9391,2997],{"class":2996},[2982,9393,3001],{"class":3000},[2982,9395,8311],{"class":3004},[2982,9397,8563],{"class":2996},[2982,9399,9400,9403],{"class":2984,"line":3030},[2982,9401,9402],{"class":3000},"try",[2982,9404,3623],{"class":2996},[2982,9406,9407,9410,9412,9414,9417,9419,9421,9423,9425],{"class":2984,"line":3049},[2982,9408,9409],{"class":2988},"    Author",[2982,9411,3062],{"class":2992},[2982,9413,2997],{"class":2996},[2982,9415,9416],{"class":2992},"session",[2982,9418,3153],{"class":2996},[2982,9420,8614],{"class":3004},[2982,9422,7911],{"class":2996},[2982,9424,7914],{"class":3004},[2982,9426,3998],{"class":2996},[2982,9428,9429,9432,9434,9436,9438,9441],{"class":2984,"line":3056},[2982,9430,9431],{"class":2992},"    author",[2982,9433,3153],{"class":2996},[2982,9435,6793],{"class":3004},[2982,9437,3072],{"class":2996},[2982,9439,9440],{"class":3075},"\"Оновлене ім'я\"",[2982,9442,3085],{"class":2996},[2982,9444,9445,9448,9450,9453],{"class":2984,"line":3088},[2982,9446,9447],{"class":2992},"    session",[2982,9449,3153],{"class":2996},[2982,9451,9452],{"class":3004},"updateAuthor",[2982,9454,7600],{"class":2996},[2982,9456,9457],{"class":2984,"line":3111},[2982,9458,3053],{"emptyLinePlaceholder":3052},[2982,9460,9461,9464,9467,9469,9471,9473,9475,9478],{"class":2984,"line":3135},[2982,9462,9463],{"class":2988},"    Genre",[2982,9465,9466],{"class":2992}," newGenre",[2982,9468,2997],{"class":2996},[2982,9470,3001],{"class":3000},[2982,9472,3101],{"class":3004},[2982,9474,3072],{"class":2996},[2982,9476,9477],{"class":3075},"\"Нова поезія\"",[2982,9479,3085],{"class":2996},[2982,9481,9482,9484,9486,9489],{"class":2984,"line":3140},[2982,9483,9447],{"class":2992},[2982,9485,3153],{"class":2996},[2982,9487,9488],{"class":3004},"persistGenre",[2982,9490,9491],{"class":2996},"(newGenre);\n",[2982,9493,9494],{"class":2984,"line":3147},[2982,9495,3053],{"emptyLinePlaceholder":3052},[2982,9497,9498,9500,9502,9504,9506],{"class":2984,"line":3165},[2982,9499,9447],{"class":2992},[2982,9501,3153],{"class":2996},[2982,9503,5157],{"class":3004},[2982,9505,5160],{"class":2996},[2982,9507,9508],{"class":3143},"// один COMMIT для обох операцій\n",[2982,9510,9511,9514,9516,9518,9520,9522],{"class":2984,"line":3181},[2982,9512,9513],{"class":2996},"} ",[2982,9515,5189],{"class":3000},[2982,9517,4588],{"class":2996},[2982,9519,5248],{"class":2988},[2982,9521,5197],{"class":2992},[2982,9523,4492],{"class":2996},[2982,9525,9526,9528,9530,9532],{"class":2984,"line":3368},[2982,9527,9447],{"class":2992},[2982,9529,3153],{"class":2996},[2982,9531,6043],{"class":3004},[2982,9533,3998],{"class":2996},[2982,9535,9536,9538,9540],{"class":2984,"line":3374},[2982,9537,9513],{"class":2996},[2982,9539,5275],{"class":3000},[2982,9541,3623],{"class":2996},[2982,9543,9544,9546,9548,9550],{"class":2984,"line":3537},[2982,9545,9447],{"class":2992},[2982,9547,3153],{"class":2996},[2982,9549,6160],{"class":3004},[2982,9551,3998],{"class":2996},[2982,9553,9554],{"class":2984,"line":3543},[2982,9555,4041],{"class":2996},[2959,9557,9559],{"id":9558},"демонстрація-атомарна-бізнес-операція","Демонстрація: Атомарна бізнес-операція",[2969,9561,9562],{},"Тепер продемонструємо саме той сценарій, що провалювався на початку статті: реєстрація нової аудіокниги з новим автором і жанром — але тепер атомарно.",[2973,9564,9566],{"className":2975,"code":9565,"language":2977,"meta":3449,"style":2978},"package com.example.audiobook;\n\nimport com.example.audiobook.db.ConnectionManager;\nimport com.example.audiobook.db.DatabaseException;\nimport com.example.audiobook.domain.Author;\nimport com.example.audiobook.domain.Audiobook;\nimport com.example.audiobook.domain.Genre;\nimport com.example.audiobook.persistence.JdbcUnitOfWork;\nimport com.example.audiobook.repository.jdbc.*;\n\nimport java.math.BigDecimal;\n\npublic class Main {\n\n    public static void main(String[] args) {\n        ConnectionManager cm = ConnectionManager.forH2(\"./data/audiobook_db\");\n\n        JdbcAuthorRepository    authorRepo = new JdbcAuthorRepository(cm);\n        JdbcGenreRepository     genreRepo  = new JdbcGenreRepository(cm);\n        JdbcAudiobookRepository bookRepo   = new JdbcAudiobookRepository(cm);\n\n        JdbcUnitOfWork uow = new JdbcUnitOfWork(cm, authorRepo, genreRepo, bookRepo);\n\n        // ── Сценарій 1: Успішна атомарна реєстрація ─────────────────────────\n        System.out.println(\"=== Сценарій 1: Успішна транзакція ===\");\n\n        Author  franko = new Author(\"Іван\", \"Франко\");\n        Genre   proza  = new Genre(\"Проза\");\n        Audiobook zakhar = new Audiobook(\"Захар Беркут\", franko, proza);\n        zakhar.setPrice(new BigDecimal(\"109.50\"));\n        zakhar.setYear(1883);\n\n        // Реєструємо всі три об'єкти — нічого не записується у БД\n        uow.registerNew(franko);\n        uow.registerNew(proza);\n        uow.registerNew(zakhar);\n\n        System.out.println(\"Зареєстровано: new=\" + uow.newCount()\n            + \", dirty=\" + uow.dirtyCount()\n            + \", deleted=\" + uow.deletedCount());\n        // Зареєстровано: new=3, dirty=0, deleted=0\n\n        try {\n            uow.commit(); // ← один BEGIN/COMMIT для трьох INSERT\n            System.out.println(\"✓ Всі три сутності збережено атомарно\");\n        } catch (DatabaseException e) {\n            uow.rollback();\n            System.err.println(\"❌ Помилка: \" + e.getMessage());\n        }\n\n        // ── Сценарій 2: Часткові зміни — UPDATE + DELETE ─────────────────────\n        System.out.println(\"\\n=== Сценарій 2: UPDATE + DELETE у одній транзакції ===\");\n\n        // Завантажуємо існуючі об'єкти\n        Author loadedFranko   = authorRepo.findById(franko.getId()).orElseThrow();\n        Audiobook loadedZakhar = bookRepo.findById(zakhar.getId()).orElseThrow();\n\n        // Оновлюємо автора\n        loadedFranko.setBio(\"Видатний письменник, поет і мислитель (1856–1916).\");\n        uow.registerDirty(loadedFranko);\n\n        // Видаляємо книгу (для прикладу)\n        uow.registerDeleted(loadedZakhar);\n\n        System.out.println(\"Зареєстровано: new=\" + uow.newCount()\n            + \", dirty=\" + uow.dirtyCount()\n            + \", deleted=\" + uow.deletedCount());\n        // Зареєстровано: new=0, dirty=1, deleted=1\n\n        try {\n            uow.commit(); // UPDATE authors + DELETE audiobooks — один COMMIT\n            System.out.println(\"✓ UPDATE і DELETE виконані атомарно\");\n        } catch (DatabaseException e) {\n            uow.rollback();\n            System.err.println(\"❌ Помилка: \" + e.getMessage());\n        }\n\n        // ── Сценарій 3: Демонстрація rollback ───────────────────────────────\n        System.out.println(\"\\n=== Сценарій 3: Rollback при помилці ===\");\n\n        Author  lesia    = new Author(\"Леся\", \"Українка\");\n        Genre   drama    = new Genre(\"Драма\");\n        // Навмисно зіпсований об'єкт — NULL-поле, що порушує NOT NULL у схемі\n        Audiobook broken = new Audiobook(null, lesia, drama); // title=null → помилка\n\n        uow.registerNew(lesia);\n        uow.registerNew(drama);\n        uow.registerNew(broken);\n\n        try {\n            uow.commit();\n        } catch (DatabaseException e) {\n            System.out.println(\"✓ Перехоплено виключення — автоматичний rollback\");\n            System.out.println(\"  Причина: \" + e.getMessage());\n            // Ні Леся, ні Драма, ні книга не потрапили у БД — повний rollback!\n        }\n\n        // Перевірка: Леся не збережена (FK на неіснуючий батьківський запис відкочено)\n        boolean lesiaExists = authorRepo.existsById(lesia.getId());\n        System.out.println(\"  Леся у БД: \" + lesiaExists); // false\n\n        // ── Сценарій 4: New → Deleted без SQL ────────────────────────────────\n        System.out.println(\"\\n=== Сценарій 4: Відмова від нового об'єкта без SQL ===\");\n\n        Author tempAuthor = new Author(\"Тимчасовий\", \"Автор\");\n        uow.registerNew(tempAuthor);\n        System.out.println(\"Зареєстровано як new: \" + uow.newCount()); // 1\n\n        uow.registerDeleted(tempAuthor); // видаляємо ще до commit\n        System.out.println(\"Після registerDeleted, new: \" + uow.newCount()); // 0\n\n        uow.commit(); // порожній commit — нічого не робить\n        System.out.println(\"✓ Commit без SQL-запитів (об'єкт скасований до збереження)\");\n\n        cm.close();\n    }\n}\n",[2964,9567,9568,9575,9579,9585,9591,9597,9603,9609,9616,9623,9627,9634,9638,9649,9653,9678,9701,9705,9720,9735,9750,9754,9771,9775,9780,9802,9806,9829,9849,9870,9895,9911,9915,9920,9932,9943,9954,9958,9986,10005,10023,10028,10032,10038,10052,10072,10087,10097,10125,10129,10133,10138,10164,10168,10173,10204,10234,10238,10243,10259,10270,10274,10279,10290,10294,10320,10336,10352,10357,10361,10367,10380,10399,10413,10423,10449,10453,10457,10462,10485,10489,10514,10534,10539,10562,10566,10577,10588,10599,10603,10609,10619,10633,10652,10679,10684,10688,10692,10697,10724,10747,10751,10756,10779,10783,10805,10815,10846,10850,10864,10894,10898,10911,10930,10934,10945,10949],{"__ignoreMap":2978},[2982,9569,9570,9572],{"class":2984,"line":2985},[2982,9571,3457],{"class":3456},[2982,9573,9574],{"class":2996}," com.example.audiobook;\n",[2982,9576,9577],{"class":2984,"line":3011},[2982,9578,3053],{"emptyLinePlaceholder":3052},[2982,9580,9581,9583],{"class":2984,"line":3030},[2982,9582,4068],{"class":3456},[2982,9584,4071],{"class":2996},[2982,9586,9587,9589],{"class":2984,"line":3049},[2982,9588,4068],{"class":3456},[2982,9590,4078],{"class":2996},[2982,9592,9593,9595],{"class":2984,"line":3056},[2982,9594,4068],{"class":3456},[2982,9596,4085],{"class":2996},[2982,9598,9599,9601],{"class":2984,"line":3088},[2982,9600,4068],{"class":3456},[2982,9602,4099],{"class":2996},[2982,9604,9605,9607],{"class":2984,"line":3111},[2982,9606,4068],{"class":3456},[2982,9608,4092],{"class":2996},[2982,9610,9611,9613],{"class":2984,"line":3135},[2982,9612,4068],{"class":3456},[2982,9614,9615],{"class":2996}," com.example.audiobook.persistence.JdbcUnitOfWork;\n",[2982,9617,9618,9620],{"class":2984,"line":3140},[2982,9619,4068],{"class":3456},[2982,9621,9622],{"class":2996}," com.example.audiobook.repository.jdbc.*;\n",[2982,9624,9625],{"class":2984,"line":3147},[2982,9626,3053],{"emptyLinePlaceholder":3052},[2982,9628,9629,9631],{"class":2984,"line":3165},[2982,9630,4068],{"class":3456},[2982,9632,9633],{"class":2996}," java.math.BigDecimal;\n",[2982,9635,9636],{"class":2984,"line":3181},[2982,9637,3053],{"emptyLinePlaceholder":3052},[2982,9639,9640,9642,9644,9647],{"class":2984,"line":3368},[2982,9641,3614],{"class":3456},[2982,9643,4256],{"class":3456},[2982,9645,9646],{"class":2988}," Main",[2982,9648,3623],{"class":2996},[2982,9650,9651],{"class":2984,"line":3374},[2982,9652,3053],{"emptyLinePlaceholder":3052},[2982,9654,9655,9657,9660,9662,9665,9667,9670,9673,9676],{"class":2984,"line":3537},[2982,9656,4447],{"class":3456},[2982,9658,9659],{"class":3456}," static",[2982,9661,4565],{"class":2988},[2982,9663,9664],{"class":3004}," main",[2982,9666,3072],{"class":2996},[2982,9668,9669],{"class":2988},"String",[2982,9671,9672],{"class":2996},"[] ",[2982,9674,9675],{"class":2992},"args",[2982,9677,4492],{"class":2996},[2982,9679,9680,9683,9685,9687,9689,9691,9694,9696,9699],{"class":2984,"line":3543},[2982,9681,9682],{"class":2988},"        ConnectionManager",[2982,9684,8480],{"class":2992},[2982,9686,2997],{"class":2996},[2982,9688,8477],{"class":2992},[2982,9690,3153],{"class":2996},[2982,9692,9693],{"class":3004},"forH2",[2982,9695,3072],{"class":2996},[2982,9697,9698],{"class":3075},"\"./data/audiobook_db\"",[2982,9700,3085],{"class":2996},[2982,9702,9703],{"class":2984,"line":3552},[2982,9704,3053],{"emptyLinePlaceholder":3052},[2982,9706,9707,9710,9712,9714,9716,9718],{"class":2984,"line":3558},[2982,9708,9709],{"class":2988},"        JdbcAuthorRepository",[2982,9711,2993],{"class":2992},[2982,9713,2997],{"class":2996},[2982,9715,3001],{"class":3000},[2982,9717,3005],{"class":3004},[2982,9719,3008],{"class":2996},[2982,9721,9722,9725,9727,9729,9731,9733],{"class":2984,"line":3564},[2982,9723,9724],{"class":2988},"        JdbcGenreRepository",[2982,9726,3017],{"class":2992},[2982,9728,3020],{"class":2996},[2982,9730,3001],{"class":3000},[2982,9732,3025],{"class":3004},[2982,9734,3008],{"class":2996},[2982,9736,9737,9740,9742,9744,9746,9748],{"class":2984,"line":3569},[2982,9738,9739],{"class":2988},"        JdbcAudiobookRepository",[2982,9741,3036],{"class":2992},[2982,9743,3039],{"class":2996},[2982,9745,3001],{"class":3000},[2982,9747,3044],{"class":3004},[2982,9749,3008],{"class":2996},[2982,9751,9752],{"class":2984,"line":3575},[2982,9753,3053],{"emptyLinePlaceholder":3052},[2982,9755,9756,9759,9762,9764,9766,9768],{"class":2984,"line":3581},[2982,9757,9758],{"class":2988},"        JdbcUnitOfWork",[2982,9760,9761],{"class":2992}," uow",[2982,9763,2997],{"class":2996},[2982,9765,3001],{"class":3000},[2982,9767,4259],{"class":3004},[2982,9769,9770],{"class":2996},"(cm, authorRepo, genreRepo, bookRepo);\n",[2982,9772,9773],{"class":2984,"line":3587},[2982,9774,3053],{"emptyLinePlaceholder":3052},[2982,9776,9777],{"class":2984,"line":3593},[2982,9778,9779],{"class":3143},"        // ── Сценарій 1: Успішна атомарна реєстрація ─────────────────────────\n",[2982,9781,9782,9785,9787,9790,9792,9795,9797,9800],{"class":2984,"line":3599},[2982,9783,9784],{"class":2992},"        System",[2982,9786,3153],{"class":2996},[2982,9788,9789],{"class":2992},"out",[2982,9791,3153],{"class":2996},[2982,9793,9794],{"class":3004},"println",[2982,9796,3072],{"class":2996},[2982,9798,9799],{"class":3075},"\"=== Сценарій 1: Успішна транзакція ===\"",[2982,9801,3085],{"class":2996},[2982,9803,9804],{"class":2984,"line":3605},[2982,9805,3053],{"emptyLinePlaceholder":3052},[2982,9807,9808,9810,9813,9815,9817,9819,9821,9823,9825,9827],{"class":2984,"line":3611},[2982,9809,7896],{"class":2988},[2982,9811,9812],{"class":2992},"  franko",[2982,9814,2997],{"class":2996},[2982,9816,3001],{"class":3000},[2982,9818,3069],{"class":3004},[2982,9820,3072],{"class":2996},[2982,9822,3076],{"class":3075},[2982,9824,3079],{"class":2996},[2982,9826,3082],{"class":3075},[2982,9828,3085],{"class":2996},[2982,9830,9831,9834,9837,9839,9841,9843,9845,9847],{"class":2984,"line":3626},[2982,9832,9833],{"class":2988},"        Genre",[2982,9835,9836],{"class":2992},"   proza",[2982,9838,3020],{"class":2996},[2982,9840,3001],{"class":3000},[2982,9842,3101],{"class":3004},[2982,9844,3072],{"class":2996},[2982,9846,3106],{"class":3075},[2982,9848,3085],{"class":2996},[2982,9850,9851,9854,9857,9859,9861,9863,9865,9867],{"class":2984,"line":3631},[2982,9852,9853],{"class":2988},"        Audiobook",[2982,9855,9856],{"class":2992}," zakhar",[2982,9858,2997],{"class":2996},[2982,9860,3001],{"class":3000},[2982,9862,3124],{"class":3004},[2982,9864,3072],{"class":2996},[2982,9866,3129],{"class":3075},[2982,9868,9869],{"class":2996},", franko, proza);\n",[2982,9871,9872,9875,9877,9880,9882,9884,9887,9889,9892],{"class":2984,"line":3637},[2982,9873,9874],{"class":2992},"        zakhar",[2982,9876,3153],{"class":2996},[2982,9878,9879],{"class":3004},"setPrice",[2982,9881,3072],{"class":2996},[2982,9883,3001],{"class":3000},[2982,9885,9886],{"class":3004}," BigDecimal",[2982,9888,3072],{"class":2996},[2982,9890,9891],{"class":3075},"\"109.50\"",[2982,9893,9894],{"class":2996},"));\n",[2982,9896,9897,9899,9901,9904,9906,9909],{"class":2984,"line":3651},[2982,9898,9874],{"class":2992},[2982,9900,3153],{"class":2996},[2982,9902,9903],{"class":3004},"setYear",[2982,9905,3072],{"class":2996},[2982,9907,9908],{"class":6780},"1883",[2982,9910,3085],{"class":2996},[2982,9912,9913],{"class":2984,"line":3657},[2982,9914,3053],{"emptyLinePlaceholder":3052},[2982,9916,9917],{"class":2984,"line":3663},[2982,9918,9919],{"class":3143},"        // Реєструємо всі три об'єкти — нічого не записується у БД\n",[2982,9921,9922,9925,9927,9929],{"class":2984,"line":3678},[2982,9923,9924],{"class":2992},"        uow",[2982,9926,3153],{"class":2996},[2982,9928,6325],{"class":3004},[2982,9930,9931],{"class":2996},"(franko);\n",[2982,9933,9934,9936,9938,9940],{"class":2984,"line":3692},[2982,9935,9924],{"class":2992},[2982,9937,3153],{"class":2996},[2982,9939,6325],{"class":3004},[2982,9941,9942],{"class":2996},"(proza);\n",[2982,9944,9945,9947,9949,9951],{"class":2984,"line":3698},[2982,9946,9924],{"class":2992},[2982,9948,3153],{"class":2996},[2982,9950,6325],{"class":3004},[2982,9952,9953],{"class":2996},"(zakhar);\n",[2982,9955,9956],{"class":2984,"line":3716},[2982,9957,3053],{"emptyLinePlaceholder":3052},[2982,9959,9960,9962,9964,9966,9968,9970,9972,9975,9977,9979,9981,9984],{"class":2984,"line":3721},[2982,9961,9784],{"class":2992},[2982,9963,3153],{"class":2996},[2982,9965,9789],{"class":2992},[2982,9967,3153],{"class":2996},[2982,9969,9794],{"class":3004},[2982,9971,3072],{"class":2996},[2982,9973,9974],{"class":3075},"\"Зареєстровано: new=\"",[2982,9976,5225],{"class":2996},[2982,9978,6448],{"class":2992},[2982,9980,3153],{"class":2996},[2982,9982,9983],{"class":3004},"newCount",[2982,9985,7096],{"class":2996},[2982,9987,9988,9991,9994,9996,9998,10000,10003],{"class":2984,"line":3726},[2982,9989,9990],{"class":2996},"            + ",[2982,9992,9993],{"class":3075},"\", dirty=\"",[2982,9995,5225],{"class":2996},[2982,9997,6448],{"class":2992},[2982,9999,3153],{"class":2996},[2982,10001,10002],{"class":3004},"dirtyCount",[2982,10004,7096],{"class":2996},[2982,10006,10007,10009,10012,10014,10016,10018,10021],{"class":2984,"line":3732},[2982,10008,9990],{"class":2996},[2982,10010,10011],{"class":3075},"\", deleted=\"",[2982,10013,5225],{"class":2996},[2982,10015,6448],{"class":2992},[2982,10017,3153],{"class":2996},[2982,10019,10020],{"class":3004},"deletedCount",[2982,10022,5805],{"class":2996},[2982,10024,10025],{"class":2984,"line":3747},[2982,10026,10027],{"class":3143},"        // Зареєстровано: new=3, dirty=0, deleted=0\n",[2982,10029,10030],{"class":2984,"line":3753},[2982,10031,3053],{"emptyLinePlaceholder":3052},[2982,10033,10034,10036],{"class":2984,"line":3758},[2982,10035,5045],{"class":3000},[2982,10037,3623],{"class":2996},[2982,10039,10040,10043,10045,10047,10049],{"class":2984,"line":3770},[2982,10041,10042],{"class":2992},"            uow",[2982,10044,3153],{"class":2996},[2982,10046,5157],{"class":3004},[2982,10048,5160],{"class":2996},[2982,10050,10051],{"class":3143},"// ← один BEGIN/COMMIT для трьох INSERT\n",[2982,10053,10054,10057,10059,10061,10063,10065,10067,10070],{"class":2984,"line":3775},[2982,10055,10056],{"class":2992},"            System",[2982,10058,3153],{"class":2996},[2982,10060,9789],{"class":2992},[2982,10062,3153],{"class":2996},[2982,10064,9794],{"class":3004},[2982,10066,3072],{"class":2996},[2982,10068,10069],{"class":3075},"\"✓ Всі три сутності збережено атомарно\"",[2982,10071,3085],{"class":2996},[2982,10073,10074,10076,10078,10080,10083,10085],{"class":2984,"line":3791},[2982,10075,5186],{"class":2996},[2982,10077,5189],{"class":3000},[2982,10079,4588],{"class":2996},[2982,10081,10082],{"class":2988},"DatabaseException",[2982,10084,5197],{"class":2992},[2982,10086,4492],{"class":2996},[2982,10088,10089,10091,10093,10095],{"class":2984,"line":3796},[2982,10090,10042],{"class":2992},[2982,10092,3153],{"class":2996},[2982,10094,6043],{"class":3004},[2982,10096,3998],{"class":2996},[2982,10098,10099,10101,10103,10106,10108,10110,10112,10115,10117,10119,10121,10123],{"class":2984,"line":3801},[2982,10100,10056],{"class":2992},[2982,10102,3153],{"class":2996},[2982,10104,10105],{"class":2992},"err",[2982,10107,3153],{"class":2996},[2982,10109,9794],{"class":3004},[2982,10111,3072],{"class":2996},[2982,10113,10114],{"class":3075},"\"❌ Помилка: \"",[2982,10116,5225],{"class":2996},[2982,10118,5228],{"class":2992},[2982,10120,3153],{"class":2996},[2982,10122,5233],{"class":3004},[2982,10124,5805],{"class":2996},[2982,10126,10127],{"class":2984,"line":3815},[2982,10128,4625],{"class":2996},[2982,10130,10131],{"class":2984,"line":3829},[2982,10132,3053],{"emptyLinePlaceholder":3052},[2982,10134,10135],{"class":2984,"line":3835},[2982,10136,10137],{"class":3143},"        // ── Сценарій 2: Часткові зміни — UPDATE + DELETE ─────────────────────\n",[2982,10139,10140,10142,10144,10146,10148,10150,10152,10155,10159,10162],{"class":2984,"line":3840},[2982,10141,9784],{"class":2992},[2982,10143,3153],{"class":2996},[2982,10145,9789],{"class":2992},[2982,10147,3153],{"class":2996},[2982,10149,9794],{"class":3004},[2982,10151,3072],{"class":2996},[2982,10153,10154],{"class":3075},"\"",[2982,10156,10158],{"class":10157},"sjcCO","\\n",[2982,10160,10161],{"class":3075},"=== Сценарій 2: UPDATE + DELETE у одній транзакції ===\"",[2982,10163,3085],{"class":2996},[2982,10165,10166],{"class":2984,"line":3852},[2982,10167,3053],{"emptyLinePlaceholder":3052},[2982,10169,10170],{"class":2984,"line":3857},[2982,10171,10172],{"class":3143},"        // Завантажуємо існуючі об'єкти\n",[2982,10174,10175,10177,10180,10182,10184,10186,10188,10190,10193,10195,10197,10200,10202],{"class":2984,"line":3873},[2982,10176,7896],{"class":2988},[2982,10178,10179],{"class":2992}," loadedFranko",[2982,10181,3039],{"class":2996},[2982,10183,3150],{"class":2992},[2982,10185,3153],{"class":2996},[2982,10187,7908],{"class":3004},[2982,10189,3072],{"class":2996},[2982,10191,10192],{"class":2992},"franko",[2982,10194,3153],{"class":2996},[2982,10196,5802],{"class":3004},[2982,10198,10199],{"class":2996},"()).",[2982,10201,7914],{"class":3004},[2982,10203,3998],{"class":2996},[2982,10205,10206,10208,10211,10213,10215,10217,10219,10221,10224,10226,10228,10230,10232],{"class":2984,"line":3878},[2982,10207,9853],{"class":2988},[2982,10209,10210],{"class":2992}," loadedZakhar",[2982,10212,2997],{"class":2996},[2982,10214,3184],{"class":2992},[2982,10216,3153],{"class":2996},[2982,10218,7908],{"class":3004},[2982,10220,3072],{"class":2996},[2982,10222,10223],{"class":2992},"zakhar",[2982,10225,3153],{"class":2996},[2982,10227,5802],{"class":3004},[2982,10229,10199],{"class":2996},[2982,10231,7914],{"class":3004},[2982,10233,3998],{"class":2996},[2982,10235,10236],{"class":2984,"line":3883},[2982,10237,3053],{"emptyLinePlaceholder":3052},[2982,10239,10240],{"class":2984,"line":3889},[2982,10241,10242],{"class":3143},"        // Оновлюємо автора\n",[2982,10244,10245,10248,10250,10252,10254,10257],{"class":2984,"line":3895},[2982,10246,10247],{"class":2992},"        loadedFranko",[2982,10249,3153],{"class":2996},[2982,10251,8111],{"class":3004},[2982,10253,3072],{"class":2996},[2982,10255,10256],{"class":3075},"\"Видатний письменник, поет і мислитель (1856–1916).\"",[2982,10258,3085],{"class":2996},[2982,10260,10261,10263,10265,10267],{"class":2984,"line":3900},[2982,10262,9924],{"class":2992},[2982,10264,3153],{"class":2996},[2982,10266,6328],{"class":3004},[2982,10268,10269],{"class":2996},"(loadedFranko);\n",[2982,10271,10272],{"class":2984,"line":3912},[2982,10273,3053],{"emptyLinePlaceholder":3052},[2982,10275,10276],{"class":2984,"line":3917},[2982,10277,10278],{"class":3143},"        // Видаляємо книгу (для прикладу)\n",[2982,10280,10281,10283,10285,10287],{"class":2984,"line":3933},[2982,10282,9924],{"class":2992},[2982,10284,3153],{"class":2996},[2982,10286,6331],{"class":3004},[2982,10288,10289],{"class":2996},"(loadedZakhar);\n",[2982,10291,10292],{"class":2984,"line":3938},[2982,10293,3053],{"emptyLinePlaceholder":3052},[2982,10295,10296,10298,10300,10302,10304,10306,10308,10310,10312,10314,10316,10318],{"class":2984,"line":3943},[2982,10297,9784],{"class":2992},[2982,10299,3153],{"class":2996},[2982,10301,9789],{"class":2992},[2982,10303,3153],{"class":2996},[2982,10305,9794],{"class":3004},[2982,10307,3072],{"class":2996},[2982,10309,9974],{"class":3075},[2982,10311,5225],{"class":2996},[2982,10313,6448],{"class":2992},[2982,10315,3153],{"class":2996},[2982,10317,9983],{"class":3004},[2982,10319,7096],{"class":2996},[2982,10321,10322,10324,10326,10328,10330,10332,10334],{"class":2984,"line":3949},[2982,10323,9990],{"class":2996},[2982,10325,9993],{"class":3075},[2982,10327,5225],{"class":2996},[2982,10329,6448],{"class":2992},[2982,10331,3153],{"class":2996},[2982,10333,10002],{"class":3004},[2982,10335,7096],{"class":2996},[2982,10337,10338,10340,10342,10344,10346,10348,10350],{"class":2984,"line":3955},[2982,10339,9990],{"class":2996},[2982,10341,10011],{"class":3075},[2982,10343,5225],{"class":2996},[2982,10345,6448],{"class":2992},[2982,10347,3153],{"class":2996},[2982,10349,10020],{"class":3004},[2982,10351,5805],{"class":2996},[2982,10353,10354],{"class":2984,"line":3961},[2982,10355,10356],{"class":3143},"        // Зареєстровано: new=0, dirty=1, deleted=1\n",[2982,10358,10359],{"class":2984,"line":3967},[2982,10360,3053],{"emptyLinePlaceholder":3052},[2982,10362,10363,10365],{"class":2984,"line":3972},[2982,10364,5045],{"class":3000},[2982,10366,3623],{"class":2996},[2982,10368,10369,10371,10373,10375,10377],{"class":2984,"line":3985},[2982,10370,10042],{"class":2992},[2982,10372,3153],{"class":2996},[2982,10374,5157],{"class":3004},[2982,10376,5160],{"class":2996},[2982,10378,10379],{"class":3143},"// UPDATE authors + DELETE audiobooks — один COMMIT\n",[2982,10381,10382,10384,10386,10388,10390,10392,10394,10397],{"class":2984,"line":3990},[2982,10383,10056],{"class":2992},[2982,10385,3153],{"class":2996},[2982,10387,9789],{"class":2992},[2982,10389,3153],{"class":2996},[2982,10391,9794],{"class":3004},[2982,10393,3072],{"class":2996},[2982,10395,10396],{"class":3075},"\"✓ UPDATE і DELETE виконані атомарно\"",[2982,10398,3085],{"class":2996},[2982,10400,10401,10403,10405,10407,10409,10411],{"class":2984,"line":4001},[2982,10402,5186],{"class":2996},[2982,10404,5189],{"class":3000},[2982,10406,4588],{"class":2996},[2982,10408,10082],{"class":2988},[2982,10410,5197],{"class":2992},[2982,10412,4492],{"class":2996},[2982,10414,10415,10417,10419,10421],{"class":2984,"line":4006},[2982,10416,10042],{"class":2992},[2982,10418,3153],{"class":2996},[2982,10420,6043],{"class":3004},[2982,10422,3998],{"class":2996},[2982,10424,10425,10427,10429,10431,10433,10435,10437,10439,10441,10443,10445,10447],{"class":2984,"line":4011},[2982,10426,10056],{"class":2992},[2982,10428,3153],{"class":2996},[2982,10430,10105],{"class":2992},[2982,10432,3153],{"class":2996},[2982,10434,9794],{"class":3004},[2982,10436,3072],{"class":2996},[2982,10438,10114],{"class":3075},[2982,10440,5225],{"class":2996},[2982,10442,5228],{"class":2992},[2982,10444,3153],{"class":2996},[2982,10446,5233],{"class":3004},[2982,10448,5805],{"class":2996},[2982,10450,10451],{"class":2984,"line":4017},[2982,10452,4625],{"class":2996},[2982,10454,10455],{"class":2984,"line":4023},[2982,10456,3053],{"emptyLinePlaceholder":3052},[2982,10458,10459],{"class":2984,"line":4028},[2982,10460,10461],{"class":3143},"        // ── Сценарій 3: Демонстрація rollback ───────────────────────────────\n",[2982,10463,10464,10466,10468,10470,10472,10474,10476,10478,10480,10483],{"class":2984,"line":4038},[2982,10465,9784],{"class":2992},[2982,10467,3153],{"class":2996},[2982,10469,9789],{"class":2992},[2982,10471,3153],{"class":2996},[2982,10473,9794],{"class":3004},[2982,10475,3072],{"class":2996},[2982,10477,10154],{"class":3075},[2982,10479,10158],{"class":10157},[2982,10481,10482],{"class":3075},"=== Сценарій 3: Rollback при помилці ===\"",[2982,10484,3085],{"class":2996},[2982,10486,10487],{"class":2984,"line":4720},[2982,10488,3053],{"emptyLinePlaceholder":3052},[2982,10490,10491,10493,10496,10498,10500,10502,10504,10507,10509,10512],{"class":2984,"line":4726},[2982,10492,7896],{"class":2988},[2982,10494,10495],{"class":2992},"  lesia",[2982,10497,8356],{"class":2996},[2982,10499,3001],{"class":3000},[2982,10501,3069],{"class":3004},[2982,10503,3072],{"class":2996},[2982,10505,10506],{"class":3075},"\"Леся\"",[2982,10508,3079],{"class":2996},[2982,10510,10511],{"class":3075},"\"Українка\"",[2982,10513,3085],{"class":2996},[2982,10515,10516,10518,10521,10523,10525,10527,10529,10532],{"class":2984,"line":4733},[2982,10517,9833],{"class":2988},[2982,10519,10520],{"class":2992},"   drama",[2982,10522,8356],{"class":2996},[2982,10524,3001],{"class":3000},[2982,10526,3101],{"class":3004},[2982,10528,3072],{"class":2996},[2982,10530,10531],{"class":3075},"\"Драма\"",[2982,10533,3085],{"class":2996},[2982,10535,10536],{"class":2984,"line":4738},[2982,10537,10538],{"class":3143},"        // Навмисно зіпсований об'єкт — NULL-поле, що порушує NOT NULL у схемі\n",[2982,10540,10541,10543,10546,10548,10550,10552,10554,10556,10559],{"class":2984,"line":4753},[2982,10542,9853],{"class":2988},[2982,10544,10545],{"class":2992}," broken",[2982,10547,2997],{"class":2996},[2982,10549,3001],{"class":3000},[2982,10551,3124],{"class":3004},[2982,10553,3072],{"class":2996},[2982,10555,5037],{"class":3456},[2982,10557,10558],{"class":2996},", lesia, drama); ",[2982,10560,10561],{"class":3143},"// title=null → помилка\n",[2982,10563,10564],{"class":2984,"line":4764},[2982,10565,3053],{"emptyLinePlaceholder":3052},[2982,10567,10568,10570,10572,10574],{"class":2984,"line":4773},[2982,10569,9924],{"class":2992},[2982,10571,3153],{"class":2996},[2982,10573,6325],{"class":3004},[2982,10575,10576],{"class":2996},"(lesia);\n",[2982,10578,10579,10581,10583,10585],{"class":2984,"line":4778},[2982,10580,9924],{"class":2992},[2982,10582,3153],{"class":2996},[2982,10584,6325],{"class":3004},[2982,10586,10587],{"class":2996},"(drama);\n",[2982,10589,10590,10592,10594,10596],{"class":2984,"line":4790},[2982,10591,9924],{"class":2992},[2982,10593,3153],{"class":2996},[2982,10595,6325],{"class":3004},[2982,10597,10598],{"class":2996},"(broken);\n",[2982,10600,10601],{"class":2984,"line":4795},[2982,10602,3053],{"emptyLinePlaceholder":3052},[2982,10604,10605,10607],{"class":2984,"line":4800},[2982,10606,5045],{"class":3000},[2982,10608,3623],{"class":2996},[2982,10610,10611,10613,10615,10617],{"class":2984,"line":4807},[2982,10612,10042],{"class":2992},[2982,10614,3153],{"class":2996},[2982,10616,5157],{"class":3004},[2982,10618,3998],{"class":2996},[2982,10620,10621,10623,10625,10627,10629,10631],{"class":2984,"line":4824},[2982,10622,5186],{"class":2996},[2982,10624,5189],{"class":3000},[2982,10626,4588],{"class":2996},[2982,10628,10082],{"class":2988},[2982,10630,5197],{"class":2992},[2982,10632,4492],{"class":2996},[2982,10634,10635,10637,10639,10641,10643,10645,10647,10650],{"class":2984,"line":4830},[2982,10636,10056],{"class":2992},[2982,10638,3153],{"class":2996},[2982,10640,9789],{"class":2992},[2982,10642,3153],{"class":2996},[2982,10644,9794],{"class":3004},[2982,10646,3072],{"class":2996},[2982,10648,10649],{"class":3075},"\"✓ Перехоплено виключення — автоматичний rollback\"",[2982,10651,3085],{"class":2996},[2982,10653,10654,10656,10658,10660,10662,10664,10666,10669,10671,10673,10675,10677],{"class":2984,"line":4846},[2982,10655,10056],{"class":2992},[2982,10657,3153],{"class":2996},[2982,10659,9789],{"class":2992},[2982,10661,3153],{"class":2996},[2982,10663,9794],{"class":3004},[2982,10665,3072],{"class":2996},[2982,10667,10668],{"class":3075},"\"  Причина: \"",[2982,10670,5225],{"class":2996},[2982,10672,5228],{"class":2992},[2982,10674,3153],{"class":2996},[2982,10676,5233],{"class":3004},[2982,10678,5805],{"class":2996},[2982,10680,10681],{"class":2984,"line":4857},[2982,10682,10683],{"class":3143},"            // Ні Леся, ні Драма, ні книга не потрапили у БД — повний rollback!\n",[2982,10685,10686],{"class":2984,"line":4862},[2982,10687,4625],{"class":2996},[2982,10689,10690],{"class":2984,"line":4877},[2982,10691,3053],{"emptyLinePlaceholder":3052},[2982,10693,10694],{"class":2984,"line":4889},[2982,10695,10696],{"class":3143},"        // Перевірка: Леся не збережена (FK на неіснуючий батьківський запис відкочено)\n",[2982,10698,10699,10701,10704,10706,10708,10710,10713,10715,10718,10720,10722],{"class":2984,"line":4894},[2982,10700,7119],{"class":2988},[2982,10702,10703],{"class":2992}," lesiaExists",[2982,10705,2997],{"class":2996},[2982,10707,3150],{"class":2992},[2982,10709,3153],{"class":2996},[2982,10711,10712],{"class":3004},"existsById",[2982,10714,3072],{"class":2996},[2982,10716,10717],{"class":2992},"lesia",[2982,10719,3153],{"class":2996},[2982,10721,5802],{"class":3004},[2982,10723,5805],{"class":2996},[2982,10725,10726,10728,10730,10732,10734,10736,10738,10741,10744],{"class":2984,"line":4899},[2982,10727,9784],{"class":2992},[2982,10729,3153],{"class":2996},[2982,10731,9789],{"class":2992},[2982,10733,3153],{"class":2996},[2982,10735,9794],{"class":3004},[2982,10737,3072],{"class":2996},[2982,10739,10740],{"class":3075},"\"  Леся у БД: \"",[2982,10742,10743],{"class":2996}," + lesiaExists); ",[2982,10745,10746],{"class":3143},"// false\n",[2982,10748,10749],{"class":2984,"line":4906},[2982,10750,3053],{"emptyLinePlaceholder":3052},[2982,10752,10753],{"class":2984,"line":4923},[2982,10754,10755],{"class":3143},"        // ── Сценарій 4: New → Deleted без SQL ────────────────────────────────\n",[2982,10757,10758,10760,10762,10764,10766,10768,10770,10772,10774,10777],{"class":2984,"line":4929},[2982,10759,9784],{"class":2992},[2982,10761,3153],{"class":2996},[2982,10763,9789],{"class":2992},[2982,10765,3153],{"class":2996},[2982,10767,9794],{"class":3004},[2982,10769,3072],{"class":2996},[2982,10771,10154],{"class":3075},[2982,10773,10158],{"class":10157},[2982,10775,10776],{"class":3075},"=== Сценарій 4: Відмова від нового об'єкта без SQL ===\"",[2982,10778,3085],{"class":2996},[2982,10780,10781],{"class":2984,"line":4935},[2982,10782,3053],{"emptyLinePlaceholder":3052},[2982,10784,10785,10787,10789,10791,10793,10795,10797,10799,10801,10803],{"class":2984,"line":4940},[2982,10786,7896],{"class":2988},[2982,10788,6425],{"class":2992},[2982,10790,2997],{"class":2996},[2982,10792,3001],{"class":3000},[2982,10794,3069],{"class":3004},[2982,10796,3072],{"class":2996},[2982,10798,6436],{"class":3075},[2982,10800,3079],{"class":2996},[2982,10802,6441],{"class":3075},[2982,10804,3085],{"class":2996},[2982,10806,10807,10809,10811,10813],{"class":2984,"line":4945},[2982,10808,9924],{"class":2992},[2982,10810,3153],{"class":2996},[2982,10812,6325],{"class":3004},[2982,10814,6455],{"class":2996},[2982,10816,10817,10819,10821,10823,10825,10827,10829,10832,10834,10836,10838,10840,10843],{"class":2984,"line":4950},[2982,10818,9784],{"class":2992},[2982,10820,3153],{"class":2996},[2982,10822,9789],{"class":2992},[2982,10824,3153],{"class":2996},[2982,10826,9794],{"class":3004},[2982,10828,3072],{"class":2996},[2982,10830,10831],{"class":3075},"\"Зареєстровано як new: \"",[2982,10833,5225],{"class":2996},[2982,10835,6448],{"class":2992},[2982,10837,3153],{"class":2996},[2982,10839,9983],{"class":3004},[2982,10841,10842],{"class":2996},"()); ",[2982,10844,10845],{"class":3143},"// 1\n",[2982,10847,10848],{"class":2984,"line":4955},[2982,10849,3053],{"emptyLinePlaceholder":3052},[2982,10851,10852,10854,10856,10858,10861],{"class":2984,"line":4960},[2982,10853,9924],{"class":2992},[2982,10855,3153],{"class":2996},[2982,10857,6331],{"class":3004},[2982,10859,10860],{"class":2996},"(tempAuthor); ",[2982,10862,10863],{"class":3143},"// видаляємо ще до commit\n",[2982,10865,10866,10868,10870,10872,10874,10876,10878,10881,10883,10885,10887,10889,10891],{"class":2984,"line":4966},[2982,10867,9784],{"class":2992},[2982,10869,3153],{"class":2996},[2982,10871,9789],{"class":2992},[2982,10873,3153],{"class":2996},[2982,10875,9794],{"class":3004},[2982,10877,3072],{"class":2996},[2982,10879,10880],{"class":3075},"\"Після registerDeleted, new: \"",[2982,10882,5225],{"class":2996},[2982,10884,6448],{"class":2992},[2982,10886,3153],{"class":2996},[2982,10888,9983],{"class":3004},[2982,10890,10842],{"class":2996},[2982,10892,10893],{"class":3143},"// 0\n",[2982,10895,10896],{"class":2984,"line":4972},[2982,10897,3053],{"emptyLinePlaceholder":3052},[2982,10899,10900,10902,10904,10906,10908],{"class":2984,"line":4978},[2982,10901,9924],{"class":2992},[2982,10903,3153],{"class":2996},[2982,10905,5157],{"class":3004},[2982,10907,5160],{"class":2996},[2982,10909,10910],{"class":3143},"// порожній commit — нічого не робить\n",[2982,10912,10913,10915,10917,10919,10921,10923,10925,10928],{"class":2984,"line":4984},[2982,10914,9784],{"class":2992},[2982,10916,3153],{"class":2996},[2982,10918,9789],{"class":2992},[2982,10920,3153],{"class":2996},[2982,10922,9794],{"class":3004},[2982,10924,3072],{"class":2996},[2982,10926,10927],{"class":3075},"\"✓ Commit без SQL-запитів (об'єкт скасований до збереження)\"",[2982,10929,3085],{"class":2996},[2982,10931,10932],{"class":2984,"line":4990},[2982,10933,3053],{"emptyLinePlaceholder":3052},[2982,10935,10936,10939,10941,10943],{"class":2984,"line":4996},[2982,10937,10938],{"class":2992},"        cm",[2982,10940,3153],{"class":2996},[2982,10942,6160],{"class":3004},[2982,10944,3998],{"class":2996},[2982,10946,10947],{"class":2984,"line":5002},[2982,10948,4546],{"class":2996},[2982,10950,10951],{"class":2984,"line":5007},[2982,10952,4041],{"class":2996},[10954,10955,10957,10969,10979,10982,10989,10993,11002,11009,11016,11023,11030,11039,11042,11049,11053,11059,11066,11073,11079,11086,11089,11096,11102,11109,11116,11124,11131,11138,11142,11149,11152,11159,11163,11167,11174],"terminal-preview",{":cursor":5078,"title":10956},"java Main",[10958,10959,10961,6558,10966],"div",{"className":10960},[2984],[2982,10962,10965],{"className":10963},[10964],"opacity-40","$",[3217,10967,10968],{},"java -cp . com.example.audiobook.Main",[10958,10970,10972,10978],{"className":10971},[2984],[2982,10973,10977],{"className":10974},[10975,10976],"text-blue-400","font-bold","[Pool]"," Ініціалізовано: 2 з'єднань готові",[10958,10980],{"className":10981},[2984],[10958,10983,10985],{"className":10984},[2984],[2982,10986,10988],{"className":10987},[10976],"=== Сценарій 1: Успішна транзакція ===",[10958,10990,10992],{"className":10991},[2984],"Зареєстровано: new=3, dirty=0, deleted=0",[10958,10994,10996,11001],{"className":10995},[2984],[2982,10997,11000],{"className":10998},[10999],"text-yellow-400","[SQL]"," BEGIN TRANSACTION",[10958,11003,11005,11008],{"className":11004},[2984],[2982,11006,11000],{"className":11007},[10999]," INSERT INTO authors (id, first_name, last_name, bio, image_path) VALUES (?, ?, ?, ?, ?)",[10958,11010,11012,11015],{"className":11011},[2984],[2982,11013,11000],{"className":11014},[10999]," INSERT INTO genres (id, name, description) VALUES (?, ?, ?)",[10958,11017,11019,11022],{"className":11018},[2984],[2982,11020,11000],{"className":11021},[10999]," INSERT INTO audiobooks (id, title, author_id, genre_id, year, ...) VALUES (...)",[10958,11024,11026,11029],{"className":11025},[2984],[2982,11027,11000],{"className":11028},[10999]," COMMIT",[10958,11031,11033,11038],{"className":11032},[2984],[2982,11034,11037],{"className":11035},[11036],"text-green-400","✓"," Всі три сутності збережено атомарно",[10958,11040],{"className":11041},[2984],[10958,11043,11045],{"className":11044},[2984],[2982,11046,11048],{"className":11047},[10976],"=== Сценарій 2: UPDATE + DELETE у одній транзакції ===",[10958,11050,11052],{"className":11051},[2984],"Зареєстровано: new=0, dirty=1, deleted=1",[10958,11054,11056,11001],{"className":11055},[2984],[2982,11057,11000],{"className":11058},[10999],[10958,11060,11062,11065],{"className":11061},[2984],[2982,11063,11000],{"className":11064},[10999]," UPDATE authors SET first_name=?, last_name=?, bio=?, image_path=? WHERE id=?",[10958,11067,11069,11072],{"className":11068},[2984],[2982,11070,11000],{"className":11071},[10999]," DELETE FROM audiobooks WHERE id=?",[10958,11074,11076,11029],{"className":11075},[2984],[2982,11077,11000],{"className":11078},[10999],[10958,11080,11082,11085],{"className":11081},[2984],[2982,11083,11037],{"className":11084},[11036]," UPDATE і DELETE виконані атомарно",[10958,11087],{"className":11088},[2984],[10958,11090,11092],{"className":11091},[2984],[2982,11093,11095],{"className":11094},[10976],"=== Сценарій 3: Rollback при помилці ===",[10958,11097,11099,11001],{"className":11098},[2984],[2982,11100,11000],{"className":11101},[10999],[10958,11103,11105,11108],{"className":11104},[2984],[2982,11106,11000],{"className":11107},[10999]," INSERT INTO authors ... ← OK",[10958,11110,11112,11115],{"className":11111},[2984],[2982,11113,11000],{"className":11114},[10999]," INSERT INTO genres ...  ← OK",[10958,11117,11119,11123],{"className":11118},[2984],[2982,11120,11000],{"className":11121},[11122],"text-red-400"," INSERT INTO audiobooks (title=NULL) ← NOT NULL CONSTRAINT VIOLATION",[10958,11125,11127,11130],{"className":11126},[2984],[2982,11128,11000],{"className":11129},[10999]," ROLLBACK",[10958,11132,11134,11137],{"className":11133},[2984],[2982,11135,11037],{"className":11136},[11036]," Перехоплено виключення — автоматичний rollback",[10958,11139,11141],{"className":11140},[2984],"  Причина: UnitOfWork.commit() failed: NULL not allowed for column \"TITLE\"",[10958,11143,11145,11146],{"className":11144},[2984],"  Леся у БД: ",[2982,11147,5078],{"className":11148},[11122],[10958,11150],{"className":11151},[2984],[10958,11153,11155],{"className":11154},[2984],[2982,11156,11158],{"className":11157},[10976],"=== Сценарій 4: Відмова від нового об'єкта без SQL ===",[10958,11160,11162],{"className":11161},[2984],"Зареєстровано як new: 1",[10958,11164,11166],{"className":11165},[2984],"Після registerDeleted, new: 0",[10958,11168,11170,11173],{"className":11169},[2984],[2982,11171,11037],{"className":11172},[11036]," Commit без SQL-запитів (об'єкт скасований до збереження)",[10958,11175,11177,11180],{"className":11176},[2984],[2982,11178,10977],{"className":11179},[10975,10976]," Закрито. Закрито 2 з'єднань",[3246,11182],{},[2959,11184,11186],{"id":11185},"проблеми-та-обмеження","Проблеми та обмеження",[2969,11188,11189],{},"Unit of Work вирішує фундаментальну проблему атомарності, але сам по собі вносить нові складнощі, що слід розуміти.",[3292,11191,11193],{"id":11192},"проблема-1-явна-реєстрація-як-джерело-помилок","Проблема 1: Явна реєстрація як джерело помилок",[2969,11195,11196,11197,11200,11201,11203],{},"Наша реалізація вимагає, щоб клієнтський код явно викликав ",[2964,11198,11199],{},"registerDirty()"," після кожної зміни. Якщо забути — ",[2964,11202,3403],{}," не відбудеться, і помилки не буде. Система мовчки «проковтне» зміну.",[2973,11205,11207],{"className":2975,"code":11206,"language":2977,"meta":2978,"style":2978},"Author author = authorRepo.findById(id).orElseThrow();\nauthor.setBio(\"Нова біографія\");\n// Забули: uow.registerDirty(author);\nuow.commit(); // UPDATE не виконається — зміна втрачена!\n",[2964,11208,11209,11229,11243,11248],{"__ignoreMap":2978},[2982,11210,11211,11213,11215,11217,11219,11221,11223,11225,11227],{"class":2984,"line":2985},[2982,11212,3059],{"class":2988},[2982,11214,3062],{"class":2992},[2982,11216,2997],{"class":2996},[2982,11218,3150],{"class":2992},[2982,11220,3153],{"class":2996},[2982,11222,7908],{"class":3004},[2982,11224,7911],{"class":2996},[2982,11226,7914],{"class":3004},[2982,11228,3998],{"class":2996},[2982,11230,11231,11233,11235,11237,11239,11241],{"class":2984,"line":3011},[2982,11232,6788],{"class":2992},[2982,11234,3153],{"class":2996},[2982,11236,8111],{"class":3004},[2982,11238,3072],{"class":2996},[2982,11240,8116],{"class":3075},[2982,11242,3085],{"class":2996},[2982,11244,11245],{"class":2984,"line":3030},[2982,11246,11247],{"class":3143},"// Забули: uow.registerDirty(author);\n",[2982,11249,11250,11252,11254,11256,11258],{"class":2984,"line":3049},[2982,11251,6448],{"class":2992},[2982,11253,3153],{"class":2996},[2982,11255,5157],{"class":3004},[2982,11257,5160],{"class":2996},[2982,11259,11260],{"class":3143},"// UPDATE не виконається — зміна втрачена!\n",[2969,11262,11263,11266,11267,11269,11270,11273],{},[3217,11264,11265],{},"Рішення:"," snapshot-based change tracking (описаний вище) або клас ",[2964,11268,9367],{},", що завжди повертає об'єкти через метод ",[2964,11271,11272],{},"findAuthor()"," і відстежує доступ.",[3292,11275,11277],{"id":11276},"проблема-2-порядок-операцій-залежить-від-схеми","Проблема 2: Порядок операцій залежить від схеми",[2969,11279,11280,11281,11283,11284,11287,11288,3079,11291,11294,11295,11297,11298,3153],{},"Поточна реалізація ",[2964,11282,6571],{}," жорстко прошита для трьох типів: ",[2964,11285,11286],{},"Author → Genre → Audiobook",". При додаванні нової сутності (наприклад, ",[2964,11289,11290],{},"User",[2964,11292,11293],{},"AudiobookFile",") необхідно редагувати ",[2964,11296,4047],{},". Це порушує ",[3217,11299,11300],{},"Open/Closed Principle",[2969,11302,11303,11304,11306],{},"Рішення: топологічне сортування залежностей за FK-графом. Кожна сутність декларує свої залежності, а ",[2964,11305,6571],{}," динамічно обчислює правильний порядок.",[3292,11308,11310],{"id":11309},"проблема-3-вплив-на-connection-pool","Проблема 3: Вплив на Connection Pool",[2969,11312,11313,11316,11317,11319],{},[2964,11314,11315],{},"JdbcUnitOfWork.commit()"," відкриває одне ",[2964,11318,5402],{}," на весь час виконання всіх SQL-операцій. При великій кількості операцій або при повільних запитах це з'єднання блокується надовго, що може виснажити пул з'єднань у конкурентному середовищі.",[2973,11321,11324],{"className":11322,"code":11323,"language":3210},[3208],"commit():\n  getConnection()           ← з'єднання вилучено з пулу\n  INSERT × N                ← займає час\n  UPDATE × M                ← займає час\n  DELETE × K                ← займає час\n  conn.commit()\n  conn.close()              ← з'єднання повернуто у пул\n  ↑ Все цей час інші потоки можуть чекати на вільне з'єднання!\n",[2964,11325,11323],{"__ignoreMap":2978},[2969,11327,11328,11330,11331,11333,11334,11337],{},[3217,11329,11265],{}," мінімізувати кількість операцій у ",[2964,11332,3285],{},", використовувати ",[2964,11335,11336],{},"BatchStatement"," для групових вставок, оптимізувати запити.",[3292,11339,11341],{"id":11340},"проблема-4-відсутність-optimistic-locking","Проблема 4: Відсутність Optimistic Locking",[2969,11343,11344,11345,11347,11348,11351],{},"Якщо два паралельних Unit of Work завантажили один і той самий об'єкт і обидва спробують ",[2964,11346,3285],{}," зі змінами — останній commit перезапише зміни першого без попередження. Це класична проблема ",[3217,11349,11350],{},"Lost Update"," (втрачене оновлення).",[2969,11353,11354,11355,11358],{},"Рішення — ",[3217,11356,11357],{},"Optimistic Locking"," через версіонний стовпець:",[2973,11360,11362],{"className":2975,"code":11361,"language":2977,"meta":2978,"style":2978},"// Схема з версіонуванням\n// ALTER TABLE authors ADD COLUMN version INTEGER DEFAULT 0\n\n// UPDATE з перевіркою версії:\nUPDATE authors\nSET first_name = ?, last_name = ?, bio = ?, version = version + 1\nWHERE id = ? AND version = ?  -- перевірка: чи не змінив хтось інший?\n-- Якщо affected rows = 0 → хтось встиг змінити першим → OptimisticLockException\n",[2964,11363,11364,11369,11374,11378,11383,11390,11418,11450],{"__ignoreMap":2978},[2982,11365,11366],{"class":2984,"line":2985},[2982,11367,11368],{"class":3143},"// Схема з версіонуванням\n",[2982,11370,11371],{"class":2984,"line":3011},[2982,11372,11373],{"class":3143},"// ALTER TABLE authors ADD COLUMN version INTEGER DEFAULT 0\n",[2982,11375,11376],{"class":2984,"line":3030},[2982,11377,3053],{"emptyLinePlaceholder":3052},[2982,11379,11380],{"class":2984,"line":3049},[2982,11381,11382],{"class":3143},"// UPDATE з перевіркою версії:\n",[2982,11384,11385,11387],{"class":2984,"line":3056},[2982,11386,3403],{"class":2988},[2982,11388,11389],{"class":2996}," authors\n",[2982,11391,11392,11395,11398,11400,11402,11405,11407,11410,11412,11415],{"class":2984,"line":3088},[2982,11393,11394],{"class":2988},"SET",[2982,11396,11397],{"class":2992}," first_name",[2982,11399,2997],{"class":2996},[2982,11401,6541],{"class":3000},[2982,11403,11404],{"class":2996},", last_name = ",[2982,11406,6541],{"class":3000},[2982,11408,11409],{"class":2996},", bio = ",[2982,11411,6541],{"class":3000},[2982,11413,11414],{"class":2996},", version = version + ",[2982,11416,11417],{"class":6780},"1\n",[2982,11419,11420,11423,11425,11427,11429,11432,11435,11437,11439,11442,11444,11447],{"class":2984,"line":3111},[2982,11421,11422],{"class":2988},"WHERE",[2982,11424,7889],{"class":2992},[2982,11426,2997],{"class":2996},[2982,11428,6541],{"class":3000},[2982,11430,11431],{"class":2988}," AND",[2982,11433,11434],{"class":2992}," version",[2982,11436,2997],{"class":2996},[2982,11438,6541],{"class":3000},[2982,11440,11441],{"class":2996},"  -- перевірка",[2982,11443,6575],{"class":3000},[2982,11445,11446],{"class":2996}," чи не змінив хтось інший",[2982,11448,11449],{"class":3000},"?\n",[2982,11451,11452,11455,11457,11460],{"class":2984,"line":3135},[2982,11453,11454],{"class":2996},"-- Якщо affected rows = ",[2982,11456,6781],{"class":6780},[2982,11458,11459],{"class":2996}," → хтось встиг змінити першим → ",[2982,11461,11462],{"class":2988},"OptimisticLockException\n",[2969,11464,11465,11466,3153],{},"Цей механізм реалізує Hibernate через анотацію ",[2964,11467,11468],{},"@Version",[3246,11470],{},[2959,11472,11474],{"id":11473},"підсумкова-архітектура-session-layer","Підсумкова архітектура: Session Layer",[3300,11476,11477],{},[2973,11478,11480],{"className":3304,"code":11479,"language":3300,"meta":2978,"style":2978},"graph TD\n    CL[\"Клієнтський код\u003Cbr/>(Service / Handler)\"]\n    SS[\"Session\u003Cbr/>(координатор)\"]\n\n    subgraph SL [\"Session Layer\"]\n        IM[\"Identity Map\u003Cbr/>findAuthor → cache hit/miss\"]\n        UW[\"Unit of Work\u003Cbr/>newEntities / dirtyEntities\u003Cbr/>deletedEntities\"]\n        CT[\"Change Tracker\u003Cbr/>snapshots (optional)\"]\n    end\n\n    subgraph RL [\"Repository Layer\"]\n        AR[\"JdbcAuthorRepository\u003Cbr/>(SQL: INSERT, UPDATE, SELECT, DELETE)\"]\n        GR[\"JdbcGenreRepository\"]\n        BR[\"JdbcAudiobookRepository\"]\n    end\n\n    DB[(\"H2 / PostgreSQL\")]\n\n    CL --> SS\n    SS --> IM\n    SS --> UW\n    UW --> CT\n    UW --> AR\n    UW --> GR\n    UW --> BR\n    AR --> DB\n    GR --> DB\n    BR --> DB\n\n    style SL fill:#1e293b,stroke:#3b82f6,color:#ffffff\n    style RL fill:#0f172a,stroke:#22c55e,color:#ffffff\n",[2964,11481,11482,11487,11492,11497,11501,11506,11511,11516,11521,11526,11530,11535,11540,11545,11550,11554,11558,11563,11567,11572,11577,11582,11587,11592,11597,11602,11607,11612,11617,11621,11626],{"__ignoreMap":2978},[2982,11483,11484],{"class":2984,"line":2985},[2982,11485,11486],{},"graph TD\n",[2982,11488,11489],{"class":2984,"line":3011},[2982,11490,11491],{},"    CL[\"Клієнтський код\u003Cbr/>(Service / Handler)\"]\n",[2982,11493,11494],{"class":2984,"line":3030},[2982,11495,11496],{},"    SS[\"Session\u003Cbr/>(координатор)\"]\n",[2982,11498,11499],{"class":2984,"line":3049},[2982,11500,3053],{"emptyLinePlaceholder":3052},[2982,11502,11503],{"class":2984,"line":3056},[2982,11504,11505],{},"    subgraph SL [\"Session Layer\"]\n",[2982,11507,11508],{"class":2984,"line":3088},[2982,11509,11510],{},"        IM[\"Identity Map\u003Cbr/>findAuthor → cache hit/miss\"]\n",[2982,11512,11513],{"class":2984,"line":3111},[2982,11514,11515],{},"        UW[\"Unit of Work\u003Cbr/>newEntities / dirtyEntities\u003Cbr/>deletedEntities\"]\n",[2982,11517,11518],{"class":2984,"line":3135},[2982,11519,11520],{},"        CT[\"Change Tracker\u003Cbr/>snapshots (optional)\"]\n",[2982,11522,11523],{"class":2984,"line":3140},[2982,11524,11525],{},"    end\n",[2982,11527,11528],{"class":2984,"line":3147},[2982,11529,3053],{"emptyLinePlaceholder":3052},[2982,11531,11532],{"class":2984,"line":3165},[2982,11533,11534],{},"    subgraph RL [\"Repository Layer\"]\n",[2982,11536,11537],{"class":2984,"line":3181},[2982,11538,11539],{},"        AR[\"JdbcAuthorRepository\u003Cbr/>(SQL: INSERT, UPDATE, SELECT, DELETE)\"]\n",[2982,11541,11542],{"class":2984,"line":3368},[2982,11543,11544],{},"        GR[\"JdbcGenreRepository\"]\n",[2982,11546,11547],{"class":2984,"line":3374},[2982,11548,11549],{},"        BR[\"JdbcAudiobookRepository\"]\n",[2982,11551,11552],{"class":2984,"line":3537},[2982,11553,11525],{},[2982,11555,11556],{"class":2984,"line":3543},[2982,11557,3053],{"emptyLinePlaceholder":3052},[2982,11559,11560],{"class":2984,"line":3552},[2982,11561,11562],{},"    DB[(\"H2 / PostgreSQL\")]\n",[2982,11564,11565],{"class":2984,"line":3558},[2982,11566,3053],{"emptyLinePlaceholder":3052},[2982,11568,11569],{"class":2984,"line":3564},[2982,11570,11571],{},"    CL --> SS\n",[2982,11573,11574],{"class":2984,"line":3569},[2982,11575,11576],{},"    SS --> IM\n",[2982,11578,11579],{"class":2984,"line":3575},[2982,11580,11581],{},"    SS --> UW\n",[2982,11583,11584],{"class":2984,"line":3581},[2982,11585,11586],{},"    UW --> CT\n",[2982,11588,11589],{"class":2984,"line":3587},[2982,11590,11591],{},"    UW --> AR\n",[2982,11593,11594],{"class":2984,"line":3593},[2982,11595,11596],{},"    UW --> GR\n",[2982,11598,11599],{"class":2984,"line":3599},[2982,11600,11601],{},"    UW --> BR\n",[2982,11603,11604],{"class":2984,"line":3605},[2982,11605,11606],{},"    AR --> DB\n",[2982,11608,11609],{"class":2984,"line":3611},[2982,11610,11611],{},"    GR --> DB\n",[2982,11613,11614],{"class":2984,"line":3626},[2982,11615,11616],{},"    BR --> DB\n",[2982,11618,11619],{"class":2984,"line":3631},[2982,11620,3053],{"emptyLinePlaceholder":3052},[2982,11622,11623],{"class":2984,"line":3637},[2982,11624,11625],{},"    style SL fill:#1e293b,stroke:#3b82f6,color:#ffffff\n",[2982,11627,11628],{"class":2984,"line":3651},[2982,11629,11630],{},"    style RL fill:#0f172a,stroke:#22c55e,color:#ffffff\n",[3246,11632],{},[2959,11634,11636],{"id":11635},"підсумок","Підсумок",[11638,11639,11640,11671],"card-group",{},[11641,11642,11645],"card",{"icon":11643,"title":11644},"i-heroicons-check-circle","Що вирішує Unit of Work",[3379,11646,11647,11653,11659,11665],{},[3382,11648,11649,11652],{},[3217,11650,11651],{},"Атомарність:"," N бізнес-операцій → 1 JDBC-транзакція",[3382,11654,11655,11658],{},[3217,11656,11657],{},"Узгодженість:"," правильний порядок INSERT/UPDATE/DELETE (FK)",[3382,11660,11661,11664],{},[3217,11662,11663],{},"Розділення:"," накопичення змін відокремлене від їх запису",[3382,11666,11667,11670],{},[3217,11668,11669],{},"Rollback:"," автоматичне скасування при будь-якому виключенні",[11641,11672,11675],{"icon":11673,"title":11674},"i-heroicons-exclamation-triangle","Обмеження та проблеми",[3379,11676,11677,11683,11686,11691],{},[3382,11678,11679,11680,11682],{},"Потребує явного ",[2964,11681,11199],{}," (або snapshot tracking)",[3382,11684,11685],{},"Порядок операцій залежить від схеми БД (FK-залежності)",[3382,11687,11688,11689],{},"Блокує Connection весь час ",[2964,11690,3285],{},[3382,11692,11693,11694,11696],{},"Не вирішує Optimistic Locking (потребує ",[2964,11695,11468],{},")",[2969,11698,11699,11700,11702,11703,11705],{},"Разом Identity Map (стаття 15) і Unit of Work (ця стаття) формують ",[3217,11701,8181],{}," — шар, що реалізує поняття «одиниці роботи» у Java-коді, аналогічне тому, що ",[2964,11704,9371],{}," надає у JPA. Саме ці два патерни є фундаментом, на якому побудовані Hibernate, Spring Data JPA та інші ORM-фреймворки Java-екосистеми.",[2969,11707,11708,11709,11712],{},"У наступній статті ми розглянемо ",[3217,11710,11711],{},"Strategy Pattern",": як винести SQL-запити з репозиторіїв у замінювані стратегії, що дозволить підтримувати різні СУБД (H2, PostgreSQL, MySQL) без зміни коду репозиторіїв.",[3246,11714],{},[2959,11716,11718],{"id":11717},"завдання","Завдання",[11720,11721,11723,11735,11865,11877],"collapsible",{"title":11722},"Рівень 1: Лічильник SQL у єдиній транзакції",[2969,11724,11725,11726,11728,11729,11731,11732,6575],{},"Додайте до ",[2964,11727,4047],{}," механізм логування SQL-операцій у межах ",[2964,11730,3285],{},". Реалізуйте клас ",[2964,11733,11734],{},"SqlOperationLog",[2973,11736,11738],{"className":2975,"code":11737,"language":2977,"meta":2978,"style":2978},"public class SqlOperationLog {\n    private final List\u003CString> operations = new ArrayList\u003C>();\n    public void log(String operation) { operations.add(operation); }\n    public void print() { operations.forEach(System.out::println); }\n    public int count() { return operations.size(); }\n}\n",[2964,11739,11740,11751,11778,11806,11839,11861],{"__ignoreMap":2978},[2982,11741,11742,11744,11746,11749],{"class":2984,"line":2985},[2982,11743,3614],{"class":3456},[2982,11745,4256],{"class":3456},[2982,11747,11748],{"class":2988}," SqlOperationLog",[2982,11750,3623],{"class":2996},[2982,11752,11753,11755,11757,11760,11762,11764,11766,11769,11771,11773,11776],{"class":2984,"line":3011},[2982,11754,4275],{"class":3456},[2982,11756,4278],{"class":3456},[2982,11758,11759],{"class":2988}," List",[2982,11761,4369],{"class":2996},[2982,11763,9669],{"class":2988},[2982,11765,4374],{"class":2996},[2982,11767,11768],{"class":2992},"operations",[2982,11770,2997],{"class":2996},[2982,11772,3001],{"class":3000},[2982,11774,11775],{"class":2988}," ArrayList",[2982,11777,4388],{"class":2996},[2982,11779,11780,11782,11784,11787,11789,11791,11794,11797,11799,11801,11803],{"class":2984,"line":3030},[2982,11781,4447],{"class":3456},[2982,11783,4565],{"class":2988},[2982,11785,11786],{"class":3004}," log",[2982,11788,3072],{"class":2996},[2982,11790,9669],{"class":2988},[2982,11792,11793],{"class":2992}," operation",[2982,11795,11796],{"class":2996},") { ",[2982,11798,11768],{"class":2992},[2982,11800,3153],{"class":2996},[2982,11802,4665],{"class":3004},[2982,11804,11805],{"class":2996},"(operation); }\n",[2982,11807,11808,11810,11812,11815,11817,11819,11821,11824,11826,11829,11831,11833,11836],{"class":2984,"line":3049},[2982,11809,4447],{"class":3456},[2982,11811,4565],{"class":2988},[2982,11813,11814],{"class":3004}," print",[2982,11816,6269],{"class":2996},[2982,11818,11768],{"class":2992},[2982,11820,3153],{"class":2996},[2982,11822,11823],{"class":3004},"forEach",[2982,11825,3072],{"class":2996},[2982,11827,11828],{"class":2992},"System",[2982,11830,3153],{"class":2996},[2982,11832,9789],{"class":2992},[2982,11834,11835],{"class":3000},"::",[2982,11837,11838],{"class":2996},"println); }\n",[2982,11840,11841,11843,11845,11848,11850,11852,11855,11857,11859],{"class":2984,"line":3056},[2982,11842,4447],{"class":3456},[2982,11844,6212],{"class":2988},[2982,11846,11847],{"class":3004}," count",[2982,11849,6269],{"class":2996},[2982,11851,6221],{"class":3000},[2982,11853,11854],{"class":2992}," operations",[2982,11856,3153],{"class":2996},[2982,11858,6229],{"class":3004},[2982,11860,6232],{"class":2996},[2982,11862,11863],{"class":2984,"line":3088},[2982,11864,4041],{"class":2996},[2969,11866,11867,11868,11870,11871,11873,11874,11876],{},"Передайте ",[2964,11869,11734],{}," у ",[2964,11872,4047],{}," і логуйте кожну SQL-операцію (тип + entity type). Після ",[2964,11875,3285],{}," виведіть лог і переконайтеся, що:",[3379,11878,11879,11882,11885],{},[3382,11880,11881],{},"3 нових об'єкти → 3 INSERT-операції в одній транзакції",[3382,11883,11884],{},"1 dirty + 1 deleted → 1 UPDATE + 1 DELETE",[3382,11886,11887],{},"New → Deleted → 0 операцій",[11720,11889,11891,11901,12027,12035,12119],{"title":11890},"Рівень 2: Snapshot-Based Change Tracking для Genre",[2969,11892,11893,11894,11897,11898,6575],{},"Реалізуйте ",[2964,11895,11896],{},"GenreChangeTracker"," за зразком ",[2964,11899,11900],{},"AuthorChangeTracker",[2973,11902,11904],{"className":2975,"code":11903,"language":2977,"meta":2978,"style":2978},"public class GenreChangeTracker {\n    private record GenreSnapshot(String name, String description) {\n        static GenreSnapshot of(Genre g) { ... }\n        boolean isDirty(Genre g) { ... }\n    }\n    public void track(Genre genre) { ... }\n    public List\u003CGenre> findDirty() { ... }\n    public void updateSnapshot(Genre genre) { ... }\n}\n",[2964,11905,11906,11917,11938,11956,11970,11974,11990,12007,12023],{"__ignoreMap":2978},[2982,11907,11908,11910,11912,11915],{"class":2984,"line":2985},[2982,11909,3614],{"class":3456},[2982,11911,4256],{"class":3456},[2982,11913,11914],{"class":2988}," GenreChangeTracker",[2982,11916,3623],{"class":2996},[2982,11918,11919,11921,11923,11926,11928,11930,11933,11935],{"class":2984,"line":3011},[2982,11920,4275],{"class":3456},[2982,11922,6977],{"class":3456},[2982,11924,11925],{"class":2988}," GenreSnapshot",[2982,11927,3072],{"class":2996},[2982,11929,9669],{"class":2988},[2982,11931,11932],{"class":2996}," name, ",[2982,11934,9669],{"class":2988},[2982,11936,11937],{"class":2996}," description) {\n",[2982,11939,11940,11942,11944,11946,11948,11950,11953],{"class":2984,"line":3030},[2982,11941,7026],{"class":3456},[2982,11943,11925],{"class":2988},[2982,11945,7031],{"class":3004},[2982,11947,3072],{"class":2996},[2982,11949,3091],{"class":2988},[2982,11951,11952],{"class":2992}," g",[2982,11954,11955],{"class":2996},") { ... }\n",[2982,11957,11958,11960,11962,11964,11966,11968],{"class":2984,"line":3049},[2982,11959,7119],{"class":2988},[2982,11961,7122],{"class":3004},[2982,11963,3072],{"class":2996},[2982,11965,3091],{"class":2988},[2982,11967,11952],{"class":2992},[2982,11969,11955],{"class":2996},[2982,11971,11972],{"class":2984,"line":3056},[2982,11973,4546],{"class":2996},[2982,11975,11976,11978,11980,11982,11984,11986,11988],{"class":2984,"line":3088},[2982,11977,4447],{"class":3456},[2982,11979,4565],{"class":2988},[2982,11981,7387],{"class":3004},[2982,11983,3072],{"class":2996},[2982,11985,3091],{"class":2988},[2982,11987,9121],{"class":2992},[2982,11989,11955],{"class":2996},[2982,11991,11992,11994,11996,11998,12000,12002,12004],{"class":2984,"line":3111},[2982,11993,4447],{"class":3456},[2982,11995,11759],{"class":2988},[2982,11997,4369],{"class":2996},[2982,11999,3091],{"class":2988},[2982,12001,4374],{"class":2996},[2982,12003,7511],{"class":3004},[2982,12005,12006],{"class":2996},"() { ... }\n",[2982,12008,12009,12011,12013,12015,12017,12019,12021],{"class":2984,"line":3135},[2982,12010,4447],{"class":3456},[2982,12012,4565],{"class":2988},[2982,12014,7664],{"class":3004},[2982,12016,3072],{"class":2996},[2982,12018,3091],{"class":2988},[2982,12020,9121],{"class":2992},[2982,12022,11955],{"class":2996},[2982,12024,12025],{"class":2984,"line":3140},[2982,12026,4041],{"class":2996},[2969,12028,12029,12030,11870,12032,6575],{},"Інтегруйте ",[2964,12031,11896],{},[2964,12033,12034],{},"Session.commit()",[2973,12036,12038],{"className":2975,"code":12037,"language":2977,"meta":2978,"style":2978},"public void commit() {\n    // Автоматично знаходимо dirty genres — без registerDirty()\n    genreTracker.findDirty().forEach(g -> {\n        genreRepo.update(g);\n        genreTracker.updateSnapshot(g);\n    });\n    unitOfWork.commit(); // решта: new, deleted\n}\n",[2964,12039,12040,12050,12055,12074,12085,12096,12101,12115],{"__ignoreMap":2978},[2982,12041,12042,12044,12046,12048],{"class":2984,"line":2985},[2982,12043,3614],{"class":3456},[2982,12045,4565],{"class":2988},[2982,12047,3995],{"class":3004},[2982,12049,5023],{"class":2996},[2982,12051,12052],{"class":2984,"line":3011},[2982,12053,12054],{"class":3143},"    // Автоматично знаходимо dirty genres — без registerDirty()\n",[2982,12056,12057,12060,12062,12064,12066,12068,12070,12072],{"class":2984,"line":3030},[2982,12058,12059],{"class":2992},"    genreTracker",[2982,12061,3153],{"class":2996},[2982,12063,7511],{"class":3004},[2982,12065,7529],{"class":2996},[2982,12067,11823],{"class":3004},[2982,12069,9059],{"class":2996},[2982,12071,7548],{"class":3456},[2982,12073,3623],{"class":2996},[2982,12075,12076,12079,12081,12083],{"class":2984,"line":3049},[2982,12077,12078],{"class":2992},"        genreRepo",[2982,12080,3153],{"class":2996},[2982,12082,5639],{"class":3004},[2982,12084,5499],{"class":2996},[2982,12086,12087,12090,12092,12094],{"class":2984,"line":3056},[2982,12088,12089],{"class":2992},"        genreTracker",[2982,12091,3153],{"class":2996},[2982,12093,8028],{"class":3004},[2982,12095,5499],{"class":2996},[2982,12097,12098],{"class":2984,"line":3088},[2982,12099,12100],{"class":2996},"    });\n",[2982,12102,12103,12106,12108,12110,12112],{"class":2984,"line":3111},[2982,12104,12105],{"class":2992},"    unitOfWork",[2982,12107,3153],{"class":2996},[2982,12109,5157],{"class":3004},[2982,12111,5160],{"class":2996},[2982,12113,12114],{"class":3143},"// решта: new, deleted\n",[2982,12116,12117],{"class":2984,"line":3135},[2982,12118,4041],{"class":2996},[2969,12120,12121,12122,12125,12126,12128,12129,12131,12132,3153],{},"Напишіть демонстрацію: змінити поле ",[2964,12123,12124],{},"description"," у трьох жанрів, не викликаючи ",[2964,12127,11199],{},", і переконатися, що ",[2964,12130,3285],{}," автоматично виконає три ",[2964,12133,3403],{},[11720,12135,12137,12142,12151,12276,12307,12419],{"title":12136},"Рівень 3: Topological Sort для порядку INSERT",[2969,12138,11280,12139,12141],{},[2964,12140,6571],{}," жорстко прошита для трьох типів. Реалізуйте загальний механізм:",[12143,12144,12145],"ol",{},[3382,12146,12147,12148,6575],{},"Визначте анотацію ",[2964,12149,12150],{},"@DependsOn",[2973,12152,12154],{"className":2975,"code":12153,"language":2977,"meta":2978,"style":2978},"@Target(ElementType.TYPE)\n@Retention(RetentionPolicy.RUNTIME)\npublic @interface DependsOn {\n    Class\u003C?>[] value();\n}\n// Використання:\n@DependsOn({Author.class, Genre.class})\npublic class Audiobook { ... }\n",[2964,12155,12156,12177,12196,12211,12228,12232,12237,12265],{"__ignoreMap":2978},[2982,12157,12158,12161,12164,12166,12169,12171,12174],{"class":2984,"line":2985},[2982,12159,12160],{"class":2996},"@",[2982,12162,12163],{"class":2988},"Target",[2982,12165,3072],{"class":2996},[2982,12167,12168],{"class":2992},"ElementType",[2982,12170,3153],{"class":2996},[2982,12172,12173],{"class":2992},"TYPE",[2982,12175,12176],{"class":2996},")\n",[2982,12178,12179,12181,12184,12186,12189,12191,12194],{"class":2984,"line":3011},[2982,12180,12160],{"class":2996},[2982,12182,12183],{"class":2988},"Retention",[2982,12185,3072],{"class":2996},[2982,12187,12188],{"class":2992},"RetentionPolicy",[2982,12190,3153],{"class":2996},[2982,12192,12193],{"class":2992},"RUNTIME",[2982,12195,12176],{"class":2996},[2982,12197,12198,12200,12203,12206,12209],{"class":2984,"line":3030},[2982,12199,3614],{"class":3456},[2982,12201,12202],{"class":2996}," @",[2982,12204,12205],{"class":3456},"interface",[2982,12207,12208],{"class":2988}," DependsOn",[2982,12210,3623],{"class":2996},[2982,12212,12213,12216,12218,12220,12223,12226],{"class":2984,"line":3049},[2982,12214,12215],{"class":2988},"    Class",[2982,12217,4369],{"class":2996},[2982,12219,6541],{"class":3000},[2982,12221,12222],{"class":2996},">[] ",[2982,12224,12225],{"class":3004},"value",[2982,12227,3998],{"class":2996},[2982,12229,12230],{"class":2984,"line":3056},[2982,12231,4041],{"class":2996},[2982,12233,12234],{"class":2984,"line":3088},[2982,12235,12236],{"class":3143},"// Використання:\n",[2982,12238,12239,12241,12244,12247,12249,12251,12254,12256,12258,12260,12262],{"class":2984,"line":3111},[2982,12240,12160],{"class":2996},[2982,12242,12243],{"class":2988},"DependsOn",[2982,12245,12246],{"class":2996},"({",[2982,12248,3059],{"class":2992},[2982,12250,3153],{"class":2996},[2982,12252,12253],{"class":2992},"class",[2982,12255,3079],{"class":2996},[2982,12257,3091],{"class":2992},[2982,12259,3153],{"class":2996},[2982,12261,12253],{"class":2992},[2982,12263,12264],{"class":2996},"})\n",[2982,12266,12267,12269,12271,12273],{"class":2984,"line":3135},[2982,12268,3614],{"class":3456},[2982,12270,4256],{"class":3456},[2982,12272,3124],{"class":2988},[2982,12274,12275],{"class":2996}," { ... }\n",[12143,12277,12278,12301],{"start":3011},[3382,12279,11893,12280,12283,12284],{},[2964,12281,12282],{},"EntityOrderResolver",", що:",[3379,12285,12286,12292,12295,12298],{},[3382,12287,12288,12289,12291],{},"Зчитує ",[2964,12290,12150],{}," через рефлексію",[3382,12293,12294],{},"Будує граф залежностей",[3382,12296,12297],{},"Виконує топологічне сортування (алгоритм Кана або DFS)",[3382,12299,12300],{},"Повертає впорядкований список класів",[3382,12302,12303,12304,12306],{},"Замініть три ітерації у ",[2964,12305,6571],{}," на один упорядкований прохід:",[2973,12308,12310],{"className":2975,"code":12309,"language":2977,"meta":2978,"style":2978},"List\u003CClass\u003C?>> insertOrder = resolver.resolve(newEntities);\nfor (Class\u003C?> type : insertOrder) {\n    newEntities.stream()\n        .filter(e -> e.getClass() == type)\n        .forEach(this::insertEntity);\n}\n",[2964,12311,12312,12344,12366,12377,12399,12415],{"__ignoreMap":2978},[2982,12313,12314,12316,12318,12321,12323,12325,12328,12331,12333,12336,12338,12341],{"class":2984,"line":2985},[2982,12315,7502],{"class":2988},[2982,12317,4369],{"class":2996},[2982,12319,12320],{"class":2988},"Class",[2982,12322,4369],{"class":2996},[2982,12324,6541],{"class":3456},[2982,12326,12327],{"class":2996},">> ",[2982,12329,12330],{"class":2992},"insertOrder",[2982,12332,2997],{"class":2996},[2982,12334,12335],{"class":2992},"resolver",[2982,12337,3153],{"class":2996},[2982,12339,12340],{"class":3004},"resolve",[2982,12342,12343],{"class":2996},"(newEntities);\n",[2982,12345,12346,12348,12350,12352,12354,12356,12358,12361,12363],{"class":2984,"line":3011},[2982,12347,6590],{"class":3000},[2982,12349,4588],{"class":2996},[2982,12351,12320],{"class":2988},[2982,12353,4369],{"class":2996},[2982,12355,6541],{"class":3456},[2982,12357,4374],{"class":2996},[2982,12359,12360],{"class":2992},"type",[2982,12362,5427],{"class":3000},[2982,12364,12365],{"class":2996}," insertOrder) {\n",[2982,12367,12368,12371,12373,12375],{"class":2984,"line":3030},[2982,12369,12370],{"class":2992},"    newEntities",[2982,12372,3153],{"class":2996},[2982,12374,7532],{"class":3004},[2982,12376,7096],{"class":2996},[2982,12378,12379,12382,12384,12387,12389,12391,12393,12396],{"class":2984,"line":3049},[2982,12380,12381],{"class":2996},"        .",[2982,12383,7542],{"class":3004},[2982,12385,12386],{"class":2996},"(e ",[2982,12388,7548],{"class":3456},[2982,12390,5197],{"class":2992},[2982,12392,3153],{"class":2996},[2982,12394,12395],{"class":3004},"getClass",[2982,12397,12398],{"class":2996},"() == type)\n",[2982,12400,12401,12403,12405,12407,12410,12412],{"class":2984,"line":3056},[2982,12402,12381],{"class":2996},[2982,12404,11823],{"class":3004},[2982,12406,3072],{"class":2996},[2982,12408,12409],{"class":3456},"this",[2982,12411,11835],{"class":3000},[2982,12413,12414],{"class":2996},"insertEntity);\n",[2982,12416,12417],{"class":2984,"line":3088},[2982,12418,4041],{"class":2996},[2969,12420,12421,12422,12424,12425,6511,12427,3079,12429,12431,12432,12434],{},"Перевірте на прикладі: ",[2964,12423,3114],{}," залежить від ",[2964,12426,3059],{},[2964,12428,3091],{},[2964,12430,3059],{}," ні від чого не залежить — ",[2964,12433,12282],{}," повинен автоматично визначити правильний порядок без жодного хардкоду.",[12436,12437,12438],"style",{},"html pre.shiki code .sN1BT, html code.shiki .sN1BT{--shiki-light:#267F99;--shiki-default:#4EC9B0;--shiki-dark:#4EC9B0}html pre.shiki code .siwwj, html code.shiki .siwwj{--shiki-light:#001080;--shiki-default:#9CDCFE;--shiki-dark:#9CDCFE}html pre.shiki code .sHH4Y, html code.shiki .sHH4Y{--shiki-light:#000000;--shiki-default:#D4D4D4;--shiki-dark:#D4D4D4}html pre.shiki code .sCDza, html code.shiki .sCDza{--shiki-light:#AF00DB;--shiki-default:#CE92A4;--shiki-dark:#CE92A4}html pre.shiki code .s8Opu, html code.shiki .s8Opu{--shiki-light:#795E26;--shiki-default:#DCDCAA;--shiki-dark:#DCDCAA}html pre.shiki code .sbdoH, html code.shiki .sbdoH{--shiki-light:#A31515;--shiki-default:#CE9178;--shiki-dark:#CE9178}html pre.shiki code .spJ8K, 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