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* Licensed to the Apache Software Foundation (ASF) under one
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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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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
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package org.apache.openjpa.persistence.datacache;
import java.util.List;
import javax.persistence.EntityManager;
import org.apache.openjpa.persistence.OpenJPAEntityManagerFactorySPI;
import org.apache.openjpa.persistence.OpenJPAPersistence;
import org.apache.openjpa.persistence.StoreCacheImpl;
import org.apache.openjpa.persistence.datacache.common.apps.EmbeddedEntity;
import org.apache.openjpa.persistence.datacache.common.apps.
EmbeddingOwnerEntity;
import org.apache.openjpa.persistence.test.SingleEMFTestCase;
/**
* Test removing members of embedded collection with active DataCache.
*
* Originally reported in
* <HREF="http://issues.apache.org/jira/browse/OPENJPA-625">OPENJPA-625</A>
*
* @author Pinaki Poddar
*
*/
public class TestEmbeddedCollection extends SingleEMFTestCase {
private static final int SIZE = 4;
private static OpenJPAEntityManagerFactorySPI emf = null;
/**
* Sets up EntityManagerFactory: with DataCache.
*/
public void setUp() throws Exception {
if (emf == null) {
super.setUp("openjpa.jdbc.SynchronizeMappings", "buildSchema",
"openjpa.RuntimeUnenhancedClasses", "unsupported",
"openjpa.DataCache", "true", "openjpa.RemoteCommitProvider",
"sjvm", "openjpa.jdbc.UpdateManager", "constraint",
EmbeddingOwnerEntity.class,
EmbeddedEntity.class,
CLEAR_TABLES);
emf = super.emf;
createData();
}
assertNotNull(emf);
assertNotNull(emf.getStoreCache());
assertTrue(isDataCacheActive(emf));
}
boolean isDataCacheActive(OpenJPAEntityManagerFactorySPI emf) {
return ((StoreCacheImpl) emf.getStoreCache()).getDelegate() != null
&& emf.getConfiguration().getDataCacheManagerInstance()
.getSystemDataCache() != null;
}
@Override
public void tearDown() throws Exception {
}
public void createData() {
EmbeddingOwnerEntity owner = new EmbeddingOwnerEntity();
for (int i = 0; i < SIZE; i++) {
EmbeddedEntity member = new EmbeddedEntity();
member.setMarker("Member-" + i);
owner.addMember(member);
}
EntityManager em = emf.createEntityManager();
em.getTransaction().begin();
em.persist(owner);
em.getTransaction().commit();
Object id = OpenJPAPersistence.cast(em).getObjectId(owner);
em.clear();
EmbeddingOwnerEntity test = em.find(EmbeddingOwnerEntity.class, id);
assertNotNull(test);
List<EmbeddedEntity> members = test.getMembers();
assertNotNull(members);
assertEquals(SIZE, members.size());
for (int i = 0; i < SIZE; i++)
members.get(i).getMarker().equals("Member-" + i);
}
public void testRemoveMemberFromEmbeddedCollection() {
EntityManager em = emf.createEntityManager();
em.getTransaction().begin();
List<EmbeddingOwnerEntity> result = em.createQuery(
"SELECT p FROM EmbeddingOwnerEntity p").getResultList();
assertNotNull(result);
assertFalse(result.isEmpty());
EmbeddingOwnerEntity owner = result.get(0);
Object id = owner.getId();
assertTrue(emf.getStoreCache().contains(EmbeddingOwnerEntity.class,
id));
List<EmbeddedEntity> members = owner.getMembers();
members.remove(0);
owner.removeMember(0);
owner.removeMember(members.get(0));
em.getTransaction().commit();
assertEquals(owner.getMembers().size(), SIZE-3);
}
}