/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008-2011, 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.event.internal;
import org.hibernate.HibernateException;
import org.hibernate.engine.spi.PersistenceContext;
import org.hibernate.event.spi.EventSource;
import org.hibernate.event.spi.FlushEvent;
import org.hibernate.event.spi.FlushEventListener;
/**
* Defines the default flush event listeners used by hibernate for
* flushing session state in response to generated flush events.
*
* @author Steve Ebersole
*/
public class DefaultFlushEventListener extends AbstractFlushingEventListener implements FlushEventListener {
/** Handle the given flush event.
*
* @param event The flush event to be handled.
* @throws HibernateException
*/
public void onFlush(FlushEvent event) throws HibernateException {
final EventSource source = event.getSession();
final PersistenceContext persistenceContext = source.getPersistenceContext();
if ( persistenceContext.getNumberOfManagedEntities() > 0 ||
persistenceContext.getCollectionEntries().size() > 0 ) {
try {
source.getEventListenerManager().flushStart();
flushEverythingToExecutions( event );
performExecutions( source );
postFlush( source );
}
finally {
source.getEventListenerManager().flushEnd(
event.getNumberOfEntitiesProcessed(),
event.getNumberOfCollectionsProcessed()
);
}
postPostFlush( source );
if ( source.getFactory().getStatistics().isStatisticsEnabled() ) {
source.getFactory().getStatisticsImplementor().flush();
}
}
}
}