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* 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
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package org.apache.openjpa.persistence.criteria.init;
import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.TypedQuery;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Root;
import org.apache.openjpa.persistence.test.SingleEMFTestCase;
public class TestCriteriaInitialization extends SingleEMFTestCase {
@Override
public void setUp() throws Exception {
super.setUp(CLEAR_TABLES, AddressEntity.class, AddressPk.class, MyUserEntity.class);
EntityManager em = emf.createEntityManager();
try {
em.getTransaction().begin();
em.persist(new MyUserEntity("wayne", Long.valueOf(1)));
em.persist(new MyUserEntity("garth", Long.valueOf(2)));
em.persist(new AddressEntity(new AddressPk("street_1", Long.valueOf(1))));
em.persist(new AddressEntity(new AddressPk("street_2", Long.valueOf(2))));
em.getTransaction().commit();
} finally {
if (em.getTransaction().isActive()) {
em.getTransaction().rollback();
}
em.close();
}
}
public void test() {
emf.close();
EntityManagerFactory oldEmf = emf;
emf = createEMF(AddressEntity.class, AddressPk.class, MyUserEntity.class);
// ensure that we get a fresh emf
assertNotEquals(oldEmf, emf);
emf.getCriteriaBuilder();
EntityManager em = emf.createEntityManager();
try {
CriteriaQuery<MyUserEntity> cq = em.getCriteriaBuilder().createQuery(MyUserEntity.class);
Root<MyUserEntity> from = cq.from(MyUserEntity.class);
CriteriaQuery<MyUserEntity> selectAll = cq.select(from);
TypedQuery<MyUserEntity> query = em.createQuery(selectAll);
List<MyUserEntity> res = query.getResultList();
// Make sure we get two results
assertEquals(2, res.size());
} finally {
em.close();
}
}
}