/*
* 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.Iterator;
import javax.persistence.EntityManager;
import junit.textui.TestRunner;
import org.apache.openjpa.persistence.OpenJPAEntityManager;
import org.apache.openjpa.persistence.OpenJPAPersistence;
import org.apache.openjpa.persistence.relations.entity.LrsEntityA;
import org.apache.openjpa.persistence.relations.entity.LrsEntityB;
import org.apache.openjpa.persistence.test.SingleEMFTestCase;
/**
* Test LRS relations.
*
* @author Abe White
*/
public class TestLRS
extends SingleEMFTestCase {
private long id;
public void setUp() {
setUp(LrsEntityA.class, LrsEntityB.class, LRSEntity.class, BasicEntity.class, CLEAR_TABLES,
"openjpa.Compatibility", "default(copyOnDetach=true," +
"cascadeWithDetach=true)");
EntityManager em = emf.createEntityManager();
em.getTransaction().begin();
LRSEntity lrs = new LRSEntity();
lrs.setName("lrs");
for (int i = 1; i <= 3; i++) {
BasicEntity basic = new BasicEntity();
basic.setName("basic" + i);
em.persist(basic);
lrs.getLRSList().add(basic);
}
em.persist(lrs);
em.getTransaction().commit();
id = lrs.getId();
em.close();
}
public void testEMClear() {
EntityManager em = emf.createEntityManager();
LRSEntity lrs = em.find(LRSEntity.class, id);
assertLRS(lrs, "lrs");
em.clear();
assertNull(lrs.getLRSList());
assertMerge(lrs);
em.close();
}
public void testEMClose() {
EntityManager em = emf.createEntityManager();
LRSEntity lrs = em.find(LRSEntity.class, id);
assertLRS(lrs, "lrs");
em.close();
assertNull(lrs.getLRSList());
assertMerge(lrs);
}
public void testDetachCopy() {
OpenJPAEntityManager em = emf.createEntityManager();
LRSEntity lrs = em.find(LRSEntity.class, id);
assertLRS(lrs, "lrs");
lrs = em.detachCopy(lrs);
assertEquals("lrs", lrs.getName());
assertNull(lrs.getLRSList());
em.close();
assertMerge(lrs);
}
public void testRelationships(){
OpenJPAEntityManager em = emf.createEntityManager();
LrsEntityA a = new LrsEntityA("name");
LrsEntityB b = new LrsEntityB("name-b", a);
em.getTransaction().begin();
em.persist(a);
em.persist(b);
em.getTransaction().commit();
em.clear();
LrsEntityA a1 = em.find(LrsEntityA.class, a.getId());
assertEquals(1, a1.getEntitybs().size());
}
private void assertLRS(LRSEntity lrs, String name) {
assertNotNull(lrs);
assertEquals(name, lrs.getName());
assertEquals(3, lrs.getLRSList().size());
Iterator itr = lrs.getLRSList().iterator();
for (int i = 1; itr.hasNext(); i++) {
BasicEntity basic = (BasicEntity) itr.next();
assertEquals("basic" + i, basic.getName());
}
OpenJPAPersistence.close(itr);
}
private void assertMerge(LRSEntity lrs) {
lrs.setName("changed");
EntityManager em = emf.createEntityManager();
em.getTransaction().begin();
assertLRS(em.merge(lrs), "changed");
em.getTransaction().commit();
em.close();
em = emf.createEntityManager();
assertLRS(em.find(LRSEntity.class, id), "changed");
em.close();
}
public static void main(String[] args) {
TestRunner.run(TestLRS.class);
}
}