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/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or .
*/
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.spi.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);
}
}