/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., 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.as.jpa.interceptor;
import org.jboss.as.ee.component.ComponentInstance;
import org.jboss.as.ejb3.component.stateful.StatefulSessionComponentInstance;
import org.jboss.as.jpa.container.ExtendedEntityManager;
import org.jboss.as.jpa.container.SFSBXPCMap;
import org.jboss.as.jpa.ejb3.SFSBContextHandleImpl;
import org.jboss.invocation.Interceptor;
import org.jboss.invocation.InterceptorContext;
import org.jboss.invocation.InterceptorFactory;
import org.jboss.invocation.InterceptorFactoryContext;
import javax.persistence.EntityManager;
import java.util.List;
/**
* For SFSB life cycle management.
* Handles the closing of XPC after last SFSB using it is destroyed.
*
* @author Scott Marlow
*/
public class SFSBDestroyInterceptor implements Interceptor {
private final SFSBXPCMap sfsbxpcMap;
private SFSBDestroyInterceptor(final SFSBXPCMap sfsbxpcMap) {
this.sfsbxpcMap = sfsbxpcMap;
}
@Override
public Object processInvocation(InterceptorContext interceptorContext) throws Exception {
try {
return interceptorContext.proceed();
} finally {
StatefulSessionComponentInstance sfsb = (StatefulSessionComponentInstance) interceptorContext.getPrivateData(ComponentInstance.class);
SFSBContextHandleImpl sfsbContextHandle = new SFSBContextHandleImpl(sfsb);
List<EntityManager> readyToClose = sfsbxpcMap.remove(sfsbContextHandle);
if (readyToClose != null && readyToClose.size() > 0) {
for (EntityManager entityManager : readyToClose) {
if (entityManager instanceof ExtendedEntityManager) {
// TODO: continue iterating through remaining entity managers and chain any exceptions
((ExtendedEntityManager) entityManager).containerClose();
} else {
throw new RuntimeException("can only close SFSB XPC entity manager that are instances of ExtendedEntityManager" + entityManager.getClass().getName());
}
}
}
}
}
public static class Factory implements InterceptorFactory {
private final SFSBXPCMap sfsbxpcMap;
public Factory(final SFSBXPCMap sfsbxpcMap) {
this.sfsbxpcMap = sfsbxpcMap;
}
@Override
public Interceptor create(final InterceptorFactoryContext context) {
return new SFSBDestroyInterceptor(sfsbxpcMap);
}
}
}