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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.persistence.hibernate;
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import java.util.Set;
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import org.apache.log4j.Logger;
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import org.hibernate.HibernateException;
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import org.hibernate.event.spi.DeleteEvent;
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import org.hibernate.event.spi.DeleteEventListener;
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import eu.etaxonomy.cdm.model.common.RelationshipBase;
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/**
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* @author a.mueller
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* @since 04.03.2009
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*/
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public class CdmDeleteListener implements DeleteEventListener {
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private static final long serialVersionUID = -5511287200489449838L;
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protected static final Logger logger = Logger.getLogger(CdmDeleteListener.class);
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@Override
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public void onDelete(DeleteEvent event) throws HibernateException {
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Object entity = event.getObject();
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if(entity != null && RelationshipBase.class.isAssignableFrom(entity.getClass())) {
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logger.info("Deleting " + entity);
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deleteRelationship(event, entity);
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}
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}
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@Override
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public void onDelete(DeleteEvent event, Set transientEntities)throws HibernateException {
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Object entity = event.getObject();
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if(entity != null && RelationshipBase.class.isAssignableFrom(entity.getClass())) {
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logger.info("Deleting " + entity);
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deleteRelationship(event, entity);
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}
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}
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/**
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* @param event
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* @param entity
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*/
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private void deleteRelationship(DeleteEvent event, Object entity) {
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RelationshipBase relationshipEntity = (RelationshipBase)entity;
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/* if (relationshipEntity.isRemoved()){
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Set<IRelated> deletedObjects = relationshipEntity.getDeletedObjects();
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for (IRelated rel : deletedObjects){
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if (rel != null){
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logger.info("Updating related entity " + rel);
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Object o = CdmBase.deproxy(rel, CdmBase.class);
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EntityEntry entry = event.getSession().getPersistenceContext().getEntry(o);
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if (entry == null){
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// System.out.println();
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}
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if (!entry.getStatus().equals(Status.DELETED)){
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event.getSession().update(rel);
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}
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}
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}
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}*/
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}
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}
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