/*
* 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.services.task.persistence;
import javax.persistence.EntityManagerFactory;
import org.kie.api.task.TaskLifeCycleEventListener;
import org.kie.internal.task.api.TaskPersistenceContext;
public abstract class PersistableEventListener implements TaskLifeCycleEventListener {
private EntityManagerFactory emf;
public PersistableEventListener(EntityManagerFactory emf) {
this.emf = emf;
}
protected TaskPersistenceContext getPersistenceContext(TaskPersistenceContext persistenceContext) {
if (emf != null) {
return new JPATaskPersistenceContext(emf.createEntityManager()) {
@Override
public void close() {
em.flush();
super.close();
}
};
}
return persistenceContext;
}
protected void cleanup(TaskPersistenceContext persistenceContext) {
if (emf != null) {
persistenceContext.close();
}
}
}