org.activiti.spring.SpringEntityManagerSessionFactory Maven / Gradle / Ivy
/* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* 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.activiti.spring;
import org.activiti.engine.impl.interceptor.Session;
import org.activiti.engine.impl.interceptor.SessionFactory;
import org.activiti.engine.impl.variable.EntityManagerSession;
import org.activiti.engine.impl.variable.EntityManagerSessionImpl;
import org.springframework.orm.jpa.EntityManagerFactoryUtils;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
/**
* Session Factory for {@link EntityManagerSession}.
*
* Must be used when the {@link EntityManagerFactory} is managed by Spring.
* This implementation will retrieve the {@link EntityManager} bound to the
* thread by Spring in case a transaction already started.
*
* @author Joram Barrez
*/
public class SpringEntityManagerSessionFactory implements SessionFactory {
protected EntityManagerFactory entityManagerFactory;
protected boolean handleTransactions;
protected boolean closeEntityManager;
public SpringEntityManagerSessionFactory(Object entityManagerFactory, boolean handleTransactions, boolean closeEntityManager) {
this.entityManagerFactory = (EntityManagerFactory) entityManagerFactory;
this.handleTransactions = handleTransactions;
this.closeEntityManager = closeEntityManager;
}
public Class getSessionType() {
return EntityManagerFactory.class;
}
public Session openSession() {
EntityManager entityManager = EntityManagerFactoryUtils.getTransactionalEntityManager(entityManagerFactory);
if (entityManager == null) {
return new EntityManagerSessionImpl(entityManagerFactory, handleTransactions, closeEntityManager);
}
return new EntityManagerSessionImpl(entityManagerFactory, entityManager, false, false);
}
}