/*
* 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.jpql.clauses;
import java.util.List;
import javax.persistence.EntityManager;
import org.apache.openjpa.persistence.common.apps.RuntimeTest1;
import org.apache.openjpa.persistence.common.apps.RuntimeTest2;
import org.apache.openjpa.persistence.common.utils.AbstractTestCase;
public class TestEJBPolymorphicQuery extends AbstractTestCase {
public TestEJBPolymorphicQuery(String name) {
super(name, "jpqlclausescactusapp");
}
public void setUp() {
deleteAll(RuntimeTest1.class);
deleteAll(RuntimeTest2.class);
EntityManager em = currentEntityManager();
startTx(em);
int run1 = 10;
int run2 = 15;
for (int i = 0; i < run1; i++) {
RuntimeTest1 rt = new RuntimeTest1(i);
rt.setStringField("foo " + i);
em.persist(rt);
}
for (int i = 10; i < run2; i++) {
em.persist(new RuntimeTest2(i));
}
endTx(em);
endEm(em);
}
/**
* Ensures that when a select query is ran against an entity at the top of
* the hierarchy that the result is its instances and that of all its
* subclass.
*/
public void testPolymorphicSelect() {
EntityManager em = currentEntityManager();
List l = em.createQuery("Select object(o) from RuntimeTest1 o")
.getResultList();
assertNotNull(l);
assertEquals(15, l.size());
endEm(em);
}
public void testPolymorphicDelete() {
EntityManager em = currentEntityManager();
startTx(em);
int l = em.createQuery("Delete from RuntimeTest1")
.executeUpdate();
assertNotNull(l);
assertEquals(15, l);
endTx(em);
endEm(em);
}
}