org.hibernate.event.spi.EventType#ordinal ( )源码实例Demo

private <T> void prepareListeners(EventType<T> type, T defaultListener, EventListenerGroupImpl[] listenerArray) {
	final EventListenerGroupImpl<T> listenerGroup;
	if ( type == EventType.POST_COMMIT_DELETE
			|| type == EventType.POST_COMMIT_INSERT
			|| type == EventType.POST_COMMIT_UPDATE ) {
		listenerGroup = new PostCommitEventListenerGroupImpl<T>( type, this );
	}
	else {
		listenerGroup = new EventListenerGroupImpl<T>( type, this );
	}

	if ( defaultListener != null ) {
		listenerGroup.appendListener( defaultListener );
	}
	listenerArray[ type.ordinal() ] = listenerGroup;
}
 

@SuppressWarnings({ "unchecked" })
public <T> EventListenerGroupImpl<T> getEventListenerGroup(EventType<T> eventType) {
	EventListenerGroupImpl<T> listeners = registeredEventListeners[ eventType.ordinal() ];
	if ( listeners == null ) {
		throw new HibernateException( "Unable to find listeners for type [" + eventType.eventName() + "]" );
	}
	return listeners;
}