eventListenerRegistry.getEventListenerGroup( EventType.UPDATE ).appendListener( new OgmDefaultUpdateEventListener() );
eventListenerRegistry.getEventListenerGroup( EventType.MERGE ).appendListener( new OgmJpaMergeEventListener() );
eventListenerRegistry.getEventListenerGroup( EventType.PERSIST ).appendListener( new OgmJpaPersistEventListener() );
eventListenerRegistry.getEventListenerGroup( EventType.PERSIST_ONFLUSH ).appendListener( new OgmJpaPersistOnFlushEventListener() );
eventListenerRegistry.getEventListenerGroup( EventType.SAVE ).appendListener( new OgmJpaSaveEventListener() );
eventListenerRegistry.getEventListenerGroup( EventType.SAVE_UPDATE ).appendListener( new OgmJpaSaveOrUpdateEventListener() );
}