/*
* Copyright 2015 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jbpm.process.audit.strategy;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
public class SpringStandaloneJtaSharedEntityManagerStrategy extends StandaloneJtaStrategy {
private final EntityManager em;
private boolean manageTx;
public SpringStandaloneJtaSharedEntityManagerStrategy(EntityManagerFactory emf) {
super(null);
this.em = emf.createEntityManager();
this.manageTx = true;
}
public SpringStandaloneJtaSharedEntityManagerStrategy(EntityManager em) {
super(null);
this.em = em;
this.manageTx = false;
}
@Override
public EntityManager getEntityManager() {
return em;
}
@Override
public void leaveTransaction(EntityManager em, Object transaction) {
// do not close or clear the entity manager
if (manageTx) {
commitTransaction(transaction);
}
}
@Override
public Object joinTransaction(EntityManager em) {
if (manageTx) {
return super.joinTransaction(em);
}
return manageTx;
}
}