/*
* 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.relations;
import java.util.Arrays;
import javax.persistence.EntityTransaction;
import org.apache.openjpa.persistence.test.SingleEMTestCase;
public class TestRelationOrphanRemoval extends SingleEMTestCase {
public void setUp() {
setUp(Parent.class, Child.class, GrandChild.class, CLEAR_TABLES
);
}
public void testRelationOrphanRemoval() {
EntityTransaction tx = em.getTransaction();
int origId = 10;
int id = origId;
Parent parent = new Parent();
parent.setId(id++);
Child child = new Child();
child.setId(id++);
GrandChild grandChild = new GrandChild();
grandChild.setId(id++);
parent.setChilds(Arrays.asList(child));
child.setParent(parent);
child.setGrandChilds(Arrays.asList(grandChild));
grandChild.setChild(child);
tx.begin();
em.persist(parent);
tx.commit();
tx.begin();
parent = em.find(Parent.class, new Integer(origId));
child = parent.getChilds().iterator().next();
grandChild = child.getGrandChilds().iterator().next();
child.setName("Test");
grandChild.setChild(null);
child.setGrandChilds(null);
child.setParent(null);
parent.setChilds(null);
tx.commit();
}
}