//$Id: EJB3DeleteEventListener.java 10003 2006-06-09 01:31:32Z epbernard $
package org.hibernate.ejb.event;
import java.io.Serializable;
import org.hibernate.event.EventSource;
import org.hibernate.event.DeleteEvent;
import org.hibernate.event.def.DefaultDeleteEventListener;
import org.hibernate.persister.entity.EntityPersister;
/**
* Overrides the LifeCycle OnSave call to call the PreRemove operation
*
* @author Emmanuel Bernard
*/
public class EJB3DeleteEventListener extends DefaultDeleteEventListener implements CallbackHandlerConsumer {
private EntityCallbackHandler callbackHandler;
public void setCallbackHandler(EntityCallbackHandler callbackHandler) {
this.callbackHandler = callbackHandler;
}
public EJB3DeleteEventListener() {
super();
}
;
public EJB3DeleteEventListener(EntityCallbackHandler callbackHandler) {
this();
this.callbackHandler = callbackHandler;
}
@Override
protected boolean invokeDeleteLifecycle(EventSource session, Object entity, EntityPersister persister) {
callbackHandler.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.getEntityMode() );
entityName = entityName == null ? source.guessEntityName( event.getObject() ) : entityName;
throw new IllegalArgumentException("Removing a detached instance "+ entityName + "#" + id);
}
}