Module no.ntnu.principes

Package no.ntnu.principes.config

Class SQLiteDatabaseConfig

java.lang.Object

no.ntnu.principes.config.SQLiteDatabaseConfig

All Implemented Interfaces:

DatabaseConfig

public class SQLiteDatabaseConfig
extends Object
implements DatabaseConfig

SQLite implementation of the DatabaseConfig interface. Creates and manages a SQLite database connection with write-ahead logging, foreign key enforcement, and busy timeout handling. Uses a thread-safe singleton pattern for the data source.

Constructor Summary

Constructors

Constructor	Description
SQLiteDatabaseConfig()

Method Summary

Modifier and Type	Method	Description
static void	backup(Path backupPath)	Creates a backup of the database to the specified path.
static void	closeDataSource()	Closes the data source by setting it to null.
static DataSource	getDataSource()	Gets the SQLite data source using double-checked locking for thread safety.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

SQLiteDatabaseConfig

public SQLiteDatabaseConfig()

Method Details

getDataSource

public static DataSource getDataSource()

Gets the SQLite data source using double-checked locking for thread safety. Initializes the data source if it hasn't been created yet.

Returns:

The SQLite data source

backup

public static void backup(Path backupPath)

Creates a backup of the database to the specified path. Uses SQLite's built-in backup command.

Parameters:

backupPath - The path where the backup will be saved

Throws:

RuntimeException - If the backup operation fails

closeDataSource

public static void closeDataSource()

Closes the data source by setting it to null. SQLite doesn't require explicit closure, but this method is provided for consistency.