/*
* 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.inheritance;
import javax.persistence.EntityManager;
import org.apache.openjpa.persistence.inheritance.entity.Admin;
import org.apache.openjpa.persistence.inheritance.entity.ComputerUser;
import org.apache.openjpa.persistence.inheritance.entity.RegularUser;
import org.apache.openjpa.persistence.test.SingleEMFTestCase;
/**
* Tests entities obtained via find(), getReference() or navigated to via
* relation traversal refers to the same instances.
*
* Original reported in the context of entities of a inheritance hierarchy with
* SINGLE_TABLE strategy.
*
* <A HREF="http://issues.apache.org/jira/browse/OPENJPA-677">OPENJPA-677</A>
*
* @author Przemek Koprowski
* @author Pinaki Poddar
*
*/
public class TestIdentityWithSingleTableStrategy extends SingleEMFTestCase {
private Admin admin;
private RegularUser user;
public void setUp() {
super.setUp(CLEAR_TABLES, Admin.class, RegularUser.class,
ComputerUser.class);
EntityManager em = emf.createEntityManager();
em.getTransaction().begin();
admin = new Admin();
user = new RegularUser();
user.setAdmin(admin);
admin.addRegularUser(user);
em.persist(admin);
em.persist(user);
em.getTransaction().commit();
em.close();
}
@Override
public void tearDown() {
// problem deleting table in MySQL
}
public void testFindAndNaviagtedEntityIdential() {
EntityManager em1 = emf.createEntityManager();
RegularUser regularUserFromFind = (RegularUser) em1.find(
RegularUser.class, user.getOid());
Admin adminFromFind = em1.find(Admin.class, admin.getOid());
Admin adminFromMethodBean = regularUserFromFind.getAdmin();
assertTrue(adminFromFind == adminFromMethodBean);
em1.close();
}
public void testReferenceAndNaviagtedEntityIdential() {
EntityManager em1 = emf.createEntityManager();
RegularUser regularUserFromFind = (RegularUser) em1.find(
RegularUser.class, user.getOid());
Admin adminFromGetReference = em1.getReference(Admin.class, admin
.getOid());
Admin adminFromMethodBean = regularUserFromFind.getAdmin();
assertTrue(adminFromGetReference == adminFromMethodBean);
em1.close();
}
}