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    1   /*
    2    * Hibernate, Relational Persistence for Idiomatic Java
    3    *
    4    * Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
    5    * indicated by the @author tags or express copyright attribution
    6    * statements applied by the authors.  All third-party contributions are
    7    * distributed under license by Red Hat Middleware LLC.
    8    *
    9    * This copyrighted material is made available to anyone wishing to use, modify,
   10    * copy, or redistribute it subject to the terms and conditions of the GNU
   11    * Lesser General Public License, as published by the Free Software Foundation.
   12    *
   13    * This program is distributed in the hope that it will be useful,
   14    * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   15    * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
   16    * for more details.
   17    *
   18    * You should have received a copy of the GNU Lesser General Public License
   19    * along with this distribution; if not, write to:
   20    * Free Software Foundation, Inc.
   21    * 51 Franklin Street, Fifth Floor
   22    * Boston, MA  02110-1301  USA
   23    *
   24    */
   25   package org.hibernate.event.def;
   26   
   27   import org.hibernate.HibernateException;
   28   import org.hibernate.event.EventSource;
   29   import org.hibernate.event.FlushEvent;
   30   import org.hibernate.event.FlushEventListener;
   31   
   32   /**
   33    * Defines the default flush event listeners used by hibernate for 
   34    * flushing session state in response to generated flush events.
   35    *
   36    * @author Steve Ebersole
   37    */
   38   public class DefaultFlushEventListener extends AbstractFlushingEventListener implements FlushEventListener {
   39   
   40   	/** Handle the given flush event.
   41   	 *
   42   	 * @param event The flush event to be handled.
   43   	 * @throws HibernateException
   44   	 */
   45   	public void onFlush(FlushEvent event) throws HibernateException {
   46   		final EventSource source = event.getSession();
   47   		if ( source.getPersistenceContext().hasNonReadOnlyEntities() ) {
   48   			
   49   			flushEverythingToExecutions(event);
   50   			performExecutions(source);
   51   			postFlush(source);
   52   		
   53   			if ( source.getFactory().getStatistics().isStatisticsEnabled() ) {
   54   				source.getFactory().getStatisticsImplementor().flush();
   55   			}
   56   			
   57   		}
   58   	}
   59   }

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