/*
* 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 java.util.List;
import javax.persistence.EntityManager;
import junit.textui.TestRunner;
import org.apache.openjpa.persistence.test.SingleEMFTestCase;
/**
* Test that you can find a concrete subclass record when passing in its
* abstract base class to EntityManager.find().
*
* @author Abe White
*/
public class TestFindAbstractClass
extends SingleEMFTestCase {
public void setUp() {
setUp(AbstractBase.class, ConcreteSubclass.class, CLEAR_TABLES);
ConcreteSubclass e = new ConcreteSubclass();
e.setId("id");
e.setSubclassData(1);
EntityManager em = emf.createEntityManager();
em.getTransaction().begin();
em.persist(e);
em.getTransaction().commit();
em.close();
}
public void testEntityTypeInheritanceTypeJoined() {
EntityManager em = emf.createEntityManager();
String query = "select c from AbstractBase c where TYPE(c) = ConcreteSubclass";
List rs = em.createQuery(query).getResultList();
assertTrue(rs.get(0) instanceof ConcreteSubclass);
query = "select c from AbstractBase c";
rs = em.createQuery(query).getResultList();
assertTrue(rs.get(0) instanceof ConcreteSubclass);
em.close();
}
public void testFind() {
EntityManager em = emf.createEntityManager();
AbstractBase e = em.find(AbstractBase.class, "id");
assertNotNull(e);
assertTrue(e instanceof ConcreteSubclass);
assertEquals(1, ((ConcreteSubclass) e).getSubclassData());
em.close();
}
public static void main(String[] args) {
TestRunner.run(TestFindAbstractClass.class);
}
}