import org.hibernate.event.spi.PostDeleteEventListener; //导入依赖的package包/类
private void postDelete() {
	final EventListenerGroup<PostDeleteEventListener> listenerGroup = listenerGroup( EventType.POST_DELETE );
	if ( listenerGroup.isEmpty() ) {
		return;
	}
	final PostDeleteEvent event = new PostDeleteEvent(
			getInstance(),
			getId(),
			state,
			getPersister(),
			eventSource()
	);
	for ( PostDeleteEventListener listener : listenerGroup.listeners() ) {
		listener.onPostDelete( event );
	}
}
 

import org.hibernate.event.spi.PostDeleteEventListener; //导入依赖的package包/类
@PostConstruct
public void registerListeners() {
    // TODO: This method of getting a reference to the SessionFactory (and thereforce the ServiceRegistry) is Deprecated. Find out the right Hibernate 5.2 way to do this.
    EventListenerRegistry registry = entityManagerFactory.getSessionFactory().getServiceRegistry().getService(EventListenerRegistry.class);
    if (preInsertEventListeners != null) {
        registry.appendListeners(EventType.PRE_INSERT, preInsertEventListeners.toArray(new PreInsertEventListener[preInsertEventListeners.size()]));
    }
    if (postInsertEventListeners != null) {
        registry.appendListeners(EventType.POST_INSERT, postInsertEventListeners.toArray(new PostInsertEventListener[postInsertEventListeners.size()]));
    }
    if (preUpdateEventListeners != null) {
        registry.appendListeners(EventType.PRE_UPDATE, preUpdateEventListeners.toArray(new PreUpdateEventListener[preUpdateEventListeners.size()]));
    }
    if (postUpdateEventListeners != null) {
        registry.appendListeners(EventType.POST_UPDATE, postUpdateEventListeners.toArray(new PostUpdateEventListener[postUpdateEventListeners.size()]));
    }
    if (preDeleteEventListeners != null) {
        registry.appendListeners(EventType.PRE_DELETE, preDeleteEventListeners.toArray(new PreDeleteEventListener[preDeleteEventListeners.size()]));
    }
    if (postDeleteEventListeners != null) {
        registry.appendListeners(EventType.POST_DELETE, postDeleteEventListeners.toArray(new PostDeleteEventListener[postDeleteEventListeners.size()]));
    }
}
 

import org.hibernate.event.spi.PostDeleteEventListener; //导入依赖的package包/类
private void postCommitDelete(boolean success) {
	final EventListenerGroup<PostDeleteEventListener> listenerGroup = listenerGroup( EventType.POST_COMMIT_DELETE );
	if ( listenerGroup.isEmpty() ) {
		return;
	}
	final PostDeleteEvent event = new PostDeleteEvent(
			getInstance(),
			getId(),
			state,
			getPersister(),
			eventSource()
	);
	for ( PostDeleteEventListener listener : listenerGroup.listeners() ) {
		if ( PostCommitDeleteEventListener.class.isInstance( listener ) ) {
			if ( success ) {
				listener.onPostDelete( event );
			}
			else {
				((PostCommitDeleteEventListener) listener).onPostDeleteCommitFailed( event );
			}
		}
		else {
			//default to the legacy implementation that always fires the event
			listener.onPostDelete( event );
		}
	}
}
 

import org.hibernate.event.spi.PostDeleteEventListener; //导入依赖的package包/类
@Override
protected boolean hasPostCommitEventListeners() {
	final EventListenerGroup<PostDeleteEventListener> group = listenerGroup( EventType.POST_COMMIT_DELETE );
	for ( PostDeleteEventListener listener : group.listeners() ) {
		if ( listener.requiresPostCommitHanding( getPersister() ) ) {
			return true;
		}
	}

	return false;
}
 

import org.hibernate.event.spi.PostDeleteEventListener; //导入依赖的package包/类
@Override
protected void configure() {
    bind(TestEventListener.class)
            .to(PostDeleteEventListener.class)
            .to(PreDeleteEventListener.class)
            .to(PreInsertEventListener.class)
            .to(PostInsertEventListener.class)
            .to(PreUpdateEventListener.class)
            .to(PostUpdateEventListener.class)
            .to(PostCommitInsertEventListener.class)
            .to(PostCommitUpdateEventListener.class)
            .to(PostCommitDeleteEventListener.class)
            .in(PerThread.class);
}
 

import org.hibernate.event.spi.PostDeleteEventListener; //导入依赖的package包/类
/**
 * Test the application event injectors.
 */
@Test
public void testEventInjection() {

    // Create a fake application.
    SessionFactory factoryFactory = locator
            .getService(SessionFactory.class);
    Assert.assertNotNull(factoryFactory);


    ServiceRegistry serviceRegistry = ((SessionFactoryImpl) factoryFactory)
            .getServiceRegistry();
    EventListenerRegistry eventRegistry = serviceRegistry
            .getService(EventListenerRegistry.class);

    EventListenerGroup<PreInsertEventListener> priGroup = eventRegistry
            .getEventListenerGroup(EventType.PRE_INSERT);
    assertContainsListener(priGroup);

    EventListenerGroup<PostInsertEventListener> poiGroup = eventRegistry
            .getEventListenerGroup(EventType.POST_INSERT);
    assertContainsListener(poiGroup);

    EventListenerGroup<PreUpdateEventListener> pruGroup = eventRegistry
            .getEventListenerGroup(EventType.PRE_UPDATE);
    assertContainsListener(pruGroup);

    EventListenerGroup<PostUpdateEventListener> pouGroup = eventRegistry
            .getEventListenerGroup(EventType.POST_UPDATE);
    assertContainsListener(pouGroup);

    EventListenerGroup<PreDeleteEventListener> prdGroup = eventRegistry
            .getEventListenerGroup(EventType.PRE_DELETE);
    assertContainsListener(prdGroup);

    EventListenerGroup<PostDeleteEventListener> podGroup = eventRegistry
            .getEventListenerGroup(EventType.POST_DELETE);
    assertContainsListener(podGroup);

    EventListenerGroup<PostInsertEventListener> pciGroup = eventRegistry
            .getEventListenerGroup(EventType.POST_COMMIT_INSERT);
    assertContainsListener(pciGroup);

    EventListenerGroup<PostUpdateEventListener> pcuGroup = eventRegistry
            .getEventListenerGroup(EventType.POST_COMMIT_UPDATE);
    assertContainsListener(pcuGroup);

    EventListenerGroup<PostDeleteEventListener> pcdGroup = eventRegistry
            .getEventListenerGroup(EventType.POST_COMMIT_DELETE);
    assertContainsListener(pcdGroup);
}