- Add `Composer` entity with JPA annotations and database mapping.
- Create repository, service, and delegate handlers for Composer CRUD operations: `create_composer`, `get_composers`, `get_composer_by_id`, `update_composer`, `delete_composer`.
- Introduce Protobuf definitions for Composer messages.
- Register Composer service and handlers in `DelegateActionManager`.
- Add `ComposerMapper` to map between Protobuf and entity models.
- Enhance error handling and logging for Composer operations.
- Add `Artist` entity with JPA annotations and database mapping.
- Create repository, service, and delegate handlers for Artist CRUD operations.
- Register handlers (`artist.create`, `artist.getAll`, `artist.getById`, `artist.update`, `artist.delete`) in `DelegateActionManager`.
- Introduce Protobuf definitions for Artist messages.
- Update `initializeServices` in `DelegateActionManager` for Artist service support.
- Add null-safe ID handling in `ArtistMapper` to prevent potential NPEs.
- Add validation to ensure classes annotated with `@Action` implement `ActionHandler`, throwing `IllegalArgumentException` for mismatches.
- Fix minor formatting issue in `@Action` annotation for `GetGenreByIdHandler`.
- Replace manual handler registration with automatic scanning and registration of handlers annotated with `@Action`.
- Introduce `ServiceLocator` to enable dependency injection for dynamically instantiated handlers.
- Add `initializeServices` to centralize service initialization and registration.
- Enhance error handling and logging for handler instantiation and registration processes.
- Ensure `GenreMapper` sets ID only if it's non-null and valid (> 0) to prevent potential NPEs.
- Adjust logging format in `IPCManager` for consistent indentation.
- Wrap entity scanning in a try-catch block to handle potential exceptions.
- Log descriptive error messages and throw a runtime exception for failure cases.
- Warn if no `@Entity` classes are found during the scan.
- Ensure non-null and non-empty values for `hibernate.dialect`, `database.driver`, and `connectionUrl`.
- Throw `IllegalStateException` when required properties are missing.
- Wrap Hibernate setup in a try-catch block.
- Log errors during initialization failure with descriptive messages.
- Throw a runtime exception if setup fails to ensure proper error propagation.
- Deleted `Media` class and its annotations.
- Added Hibernate ORM initialization in `DatabaseManager`, including dynamic entity scanning and configuration.
- Updated `pom.xml` to include dependencies for Hibernate community dialects and Reflections.
- Extend `test.proto` with `CloseCommand` and `CloseResponse` messages.
- Introduce `CloseHandler` to process "close" actions and respond with connection termination notice.
- Update `DelegateActionManager` to register `CloseHandler`.
- Refactor `IPCManager` to handle "close" response headers and terminate client connections gracefully.
- Extend `test.proto` schema with heartbeat and echo message definitions.
- Register `HeartbeatHandler` in `DelegateActionManager`.
- Refactor Log4j2 configuration to standardize log levels.
- Optimize client wait time in `IPCManager` for reduced latency.
- Created `SqliteDatabaseManager` for SQLite database initialization and management.
- Refactored `DatabaseManager` into an abstract class to support different database implementations.
- Introduced `ApplicationMode` enum to switch between `local` and `server` modes.
- Updated `MediaManagerApplication` to handle `runtype` configuration and initialize SQLite in `local` mode.
- Updated `config.properties.example` with new `runtype` property.
- Added SQLite JDBC dependency to `pom.xml`.
- Replaced `SimpleProtocol` with `TransportProtocol` in `IPCManager`.
- Added `DelegateActionManager` to route requests to handlers, starting with `EchoHandler`.
- Updated `MediaManagerApplication` to initialize and manage `DelegateActionManager`.
- Extended Protocol Buffers schema with `Request` and `Response` definitions.
- Enhanced logging for request processing and redesigned response flow.
- Created `messages.proto` to define `TextMessage` schema.
- Integrated Protocol Buffers Java library into Maven dependencies.
- Configured Maven plugins for Protocol Buffers compilation and generated source management.
- Implemented message serialization and deserialization in `IPCManager`.
- Enhanced client handling to process and respond with Protocol Buffers messages.
- Configured UNIX domain socket for non-blocking mode to prevent indefinite blocking on `accept()`.
- Introduced connection loop with thread pool for client handling.
- Added `ClientHandler` to process client communications.
- Implemented proper resource cleanup during shutdown.
- Improved logging for socket initialization, client handling, and shutdown.
- Introduced `IPCManager` class to handle IPC using UNIX domain sockets.
- Updated `MediaManagerApplication` to initialize and manage `IPCManager` during startup and shutdown.
- Enhanced logging for IPC initialization and cleanup.
- Updated `config.properties.example` with `ipc.socket.path` property.
- Enabled `immediateFlush` for log appenders and disabled `shutdownHook` in Log4j2 configuration.
- Enhanced shutdown hook with graceful Log4j2 termination and extended delay for log flushing.
- Improved database connection closure logging in `DatabaseManager`.
- Integrated Maven Shade Plugin to create executable JARs with all dependencies.
- Added detailed logging for database initialization and connection handling.
- Implemented configuration validation and sanity checks during initialization.
- Introduced `close()` method to properly release database resources.
- Updated `MediaManagerApplication` to invoke `DatabaseManager.close()` on shutdown.
- Updated `.gitignore` to exclude sensitive configuration files while allowing example files.
- Introduced `DatabaseManager` class to manage database connections.
- Updated `MediaManagerApplication` to initialize `DatabaseManager` using configuration properties.
- Renamed configuration file to `config.properties` for consistency.
- Updated `MediaManagerApplication` to load the new configuration file.
- Adjusted references in `README.md` and `.gitignore`.
- Remove IntelliJ IDEA configuration files from version control
- Update .gitignore to exclude .idea/ folder
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Co-Authored-By: Claude <noreply@anthropic.com>
- Added `.gitignore` for common IDE and build artifacts.
- Configured `pom.xml` with dependencies: PostgreSQL, Hibernate, HikariCP, Log4j 2, Jackson, JUnit 5.
- Created `Media` entity with JPA annotations.
- Added `application.properties` for database and IPC configuration.
- Configured Log4j 2 with console and rolling file appenders.
- Provided `README.md` with setup instructions.
- Included `MediaManagerApplication` class as a starting point.
Gustavo Henrique Miranda