/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.openjpa.persistence.detachment;
import java.util.ArrayList;
import java.util.List;
import javax.persistence.EntityManager;
import org.apache.openjpa.jdbc.kernel.EntityF;
import org.apache.openjpa.jdbc.kernel.EntityG;
import org.apache.openjpa.persistence.test.SingleEMFTestCase;
public class TestCascadeMerge extends SingleEMFTestCase {
private EntityG enG1;
private EntityG enG2;
public void setUp() {
setUp(CLEAR_TABLES,EntityF.class, EntityG.class);
createTestData();
}
private void createTestData() {
enG1 = new EntityG();
enG1.setId(1);
enG2 = new EntityG();
enG2.setId(2);
}
public void testCascadeMerge() {
EntityManager em = emf.createEntityManager();
try {
em.getTransaction().begin();
EntityF enF = new EntityF();
enF.setId(1);
em.persist(enF);
em.getTransaction().commit();
em.close();
em = emf.createEntityManager();
em.getTransaction().begin();
EntityF enF1 = em.find(EntityF.class, 1);
enG1.setEntityF(enF1);
enG2.setEntityF(enF1);
List<EntityG> l = new ArrayList<EntityG>();
l.add(enG1);
l.add(enG2);
enF1.setListG(l);
em.merge(enG1);
em.getTransaction().commit();
}
finally {
if (em.getTransaction().isActive())
em.getTransaction().rollback();
em.close();
}
}
}