/*
* 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.merge;
import javax.persistence.EntityManager;
import org.apache.openjpa.persistence.test.SQLListenerTestCase;
public class TestMerge extends SQLListenerTestCase {
public void setUp() {
setUp(CLEAR_TABLES, Parent.class,
Child.class, GrandChild.class);
assertNotNull(emf);
populate();
}
public void testMergeManagedParent() {
System.out.println("Running testMergeManagedParent()...");
System.out.println();
System.out.println("Exercising em #1...");
EntityManager em = emf.createEntityManager();
ParentPK pk = new ParentPK(1);
pk.setKey1("K1");
Parent parent = em.find(Parent.class, pk);
System.out.println();
System.out.println("Exercising em #1...");
EntityManager em2 = emf.createEntityManager();
em2.getTransaction().begin();
Parent mergedParent = em2.merge(parent);
assertNotNull(mergedParent);
em2.getTransaction().commit();
em.close();
em2.close();
}
private void populate() {
EntityManager em = emf.createEntityManager();
em.getTransaction().begin();
Parent p = new Parent();
p.setKey1("K1");
p.setKey2(1);
em.persist(p);
em.getTransaction().commit();
em.close();
}
}