private Database getDatabase() {
		try {
			return DatabaseFactory.getInstance().findCorrectDatabaseImplementation(
					new JdbcConnection(dataSource.getConnection()));
		} catch (Exception e) {
			throw processException("Error getting database from " + dataSource.getUrl(), e);
		}
	}
DB Data Updater. This class is used to update DB automatically when System restarted through log
file db.changelog.xml

@since 3.0
ngrinder-controller/src/main/java/org/ngrinder/infra/init/DatabaseUpdater.java