/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2009-2011, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.jpa.event.internal.core;
import java.io.Serializable;
import org.hibernate.event.internal.DefaultDeleteEventListener;
import org.hibernate.event.spi.DeleteEvent;
import org.hibernate.event.spi.EventSource;
import org.hibernate.jpa.event.internal.jpa.CallbackRegistryConsumer;
import org.hibernate.jpa.event.spi.jpa.CallbackRegistry;
import org.hibernate.persister.entity.EntityPersister;
/**
* Overrides the LifeCycle OnSave call to call the PreRemove operation
*
* @author Emmanuel Bernard
*/
public class JpaDeleteEventListener extends DefaultDeleteEventListener implements CallbackRegistryConsumer {
private CallbackRegistry callbackRegistry;
public void injectCallbackRegistry(CallbackRegistry callbackRegistry) {
this.callbackRegistry = callbackRegistry;
}
public JpaDeleteEventListener() {
super();
}
public JpaDeleteEventListener(CallbackRegistry callbackRegistry) {
this();
this.callbackRegistry = callbackRegistry;
}
@Override
protected boolean invokeDeleteLifecycle(EventSource session, Object entity, EntityPersister persister) {
callbackRegistry.preRemove( entity );
return super.invokeDeleteLifecycle( session, entity, persister );
}
@Override
protected void performDetachedEntityDeletionCheck(DeleteEvent event) {
EventSource source = event.getSession();
String entityName = event.getEntityName();
EntityPersister persister = source.getEntityPersister( entityName, event.getObject() );
Serializable id = persister.getIdentifier( event.getObject(), source );
entityName = entityName == null ? source.guessEntityName( event.getObject() ) : entityName;
throw new IllegalArgumentException("Removing a detached instance "+ entityName + "#" + id);
}
}