/**
* EasyBeans
* Copyright (C) 2006 Bull S.A.S.
* Contact: easybeans@ow2.org
*
* This library 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 any later version.
*
* This library 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 library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
* --------------------------------------------------------------------------
* $Id: EntityManagerAccess00Interceptor.java 5369 2010-02-24 14:58:19Z benoitf $
* --------------------------------------------------------------------------
*/
package org.ow2.easybeans.tests.common.interceptors.business.access;
import javax.annotation.Resource;
import javax.ejb.SessionContext;
import javax.interceptor.AroundInvoke;
import javax.interceptor.InvocationContext;
import javax.transaction.UserTransaction;
import org.ow2.easybeans.tests.common.resources.EntityManagerTester;
/**
* Interceptor used to access an EntityManager.
* @author Eduardo Studzinski Estima de Castro
* @author Gisele Pinheiro Souza
*/
public class EntityManagerAccess00Interceptor extends EntityManagerTester {
/**
* Session Context.
*/
@Resource
private SessionContext ctx;
/**
* Intercepts the method and tries to access an entity bean using the entity
* manager.
* @param ic contains attributes of invocation
* @return method's invocation result
* @throws Exception if invocation fails
*/
@AroundInvoke
protected Object intercept(final InvocationContext ic) throws Exception {
this.access();
return ic.proceed();
}
/**
* Verifies the EntityManager reference.
* @throws Exception if a problem occurs.
*/
private void access() throws Exception {
UserTransaction utx;
try {
utx = ctx.getUserTransaction();
utx.begin();
} catch (Exception e) {
utx = null;
}
super.access00();
if (utx != null) {
utx.commit();
}
}
}