/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.ejb3.entity;
import java.util.IdentityHashMap;
import java.util.Map;
import javax.persistence.EntityManager;
import org.jboss.aop.advice.Interceptor;
import org.jboss.aop.joinpoint.Invocation;
import org.jboss.jpa.deployment.ManagedEntityManagerFactory;
import org.jboss.logging.Logger;
/**
* If a transaction-scoped entitymanager is accessed outside of a transaction
* an entitymanager is created for the duration of the current EJB method call
* this entitymanager must be closed at the end of the method invocation.
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
* @version $Revision: 75617 $
*/
public class TransactionScopedEntityManagerInterceptor implements Interceptor
{
private static final Logger log = Logger.getLogger(TransactionScopedEntityManagerInterceptor.class);
public String getName()
{
return this.getClass().getName();
}
public Object invoke(Invocation invocation) throws Throwable
{
try
{
ManagedEntityManagerFactory.nonTxStack.push(new IdentityHashMap());
return invocation.invokeNext();
}
finally
{
Map map = ManagedEntityManagerFactory.nonTxStack.pop();
for (Object obj : map.values())
{
try
{
((EntityManager)obj).close();
log.debug("********************* CLOSING tx scoped nontx entity manager");
}
catch (Exception ignored)
{
}
}
}
}
}