/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 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.test.flush;
import java.util.Collection;
import org.hibernate.event.spi.PreUpdateEvent;
import org.hibernate.event.spi.PreUpdateEventListener;
/**
* @author Steve Ebersole
*/
public class InitializingPreUpdateEventListener implements PreUpdateEventListener {
@Override
public boolean onPreUpdate(PreUpdateEvent event) {
final Object entity = event.getEntity();
final Object[] oldValues = event.getOldState();
final String[] properties = event.getPersister().getPropertyNames();
// Iterate through all fields of the updated object
for ( int i = 0; i < properties.length; i++ ) {
if (oldValues != null && oldValues[i] instanceof Collection ) {
final Collection col = (Collection) oldValues[i];
// force initialization of collection to illustrate HHH-2763
for ( Object element : col ) {
element.toString();
}
}
}
return true;
}
}