/*
* 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.datacache;
import javax.persistence.Cache;
import javax.persistence.EntityManager;
import org.apache.openjpa.persistence.OpenJPAEntityManagerFactorySPI;
import org.apache.openjpa.persistence.OpenJPAEntityManagerSPI;
import org.apache.openjpa.persistence.test.SingleEMFTestCase;
public class TestBulkUpdatesDataCacheEviction extends SingleEMFTestCase {
Object[] props = new Object[] { CLEAR_TABLES, CachedEntityStatistics.class, "openjpa.DataCache", "true" };
Object[] noEvictProps = new Object[] { CLEAR_TABLES, CachedEntityStatistics.class
, "openjpa.DataCache", "true(EvictOnBulkUpdate=false)" };
public void setUp() throws Exception {
super.setUp(props);
}
/**
* This test ensures that after executing an update against the db, the updated type is purged from
* the DataCache.
*/
public void testUpdate() throws Exception {
EntityManager em = emf.createEntityManager();
Cache cache = emf.getCache();
try {
CachedEntityStatistics e = createEntity(em);
assertTrue(cache.contains(CachedEntityStatistics.class, e.getId()));
em.clear();
String update = "UPDATE CachedEntityStatistics s SET s.firstName = :name WHERE s.id = :id";
String name = "name_" + System.currentTimeMillis();
// execute update, this should result in a cache eviction
em.getTransaction().begin();
assertEquals(1, em.createQuery(update).setParameter("name", name).setParameter("id", e.getId())
.executeUpdate());
em.getTransaction().commit();
assertFalse(cache.contains(CachedEntityStatistics.class, e.getId()));
CachedEntityStatistics postUpdate = em.find(CachedEntityStatistics.class, e.getId());
assertEquals(name, postUpdate.getFirstName());
} finally {
em.close();
}
}
/**
* This test ensures that after executing a delete against the db, the deleted type is purged from
* the DataCache.
*/
public void testDelete() throws Exception {
EntityManager em = emf.createEntityManager();
Cache cache = emf.getCache();
try {
CachedEntityStatistics e = createEntity(em);
assertTrue(cache.contains(CachedEntityStatistics.class, e.getId()));
em.clear();
String delete = "DELETE FROM CachedEntityStatistics s WHERE s.id = :id";
// execute update, this should result in a cache eviction
em.getTransaction().begin();
assertEquals(1, em.createQuery(delete).setParameter("id", e.getId()).executeUpdate());
em.getTransaction().commit();
assertFalse(cache.contains(CachedEntityStatistics.class, e.getId()));
CachedEntityStatistics postUpdate = em.find(CachedEntityStatistics.class, e.getId());
assertNull(postUpdate);
} finally {
em.close();
}
}
public void testUpdateNoEvict(){
OpenJPAEntityManagerFactorySPI emf = createNamedEMF(getPersistenceUnitName(), noEvictProps);
Cache cache = emf.getCache();
OpenJPAEntityManagerSPI em = emf.createEntityManager();
try {
CachedEntityStatistics e = createEntity(em);
assertTrue(cache.contains(CachedEntityStatistics.class, e.getId()));
em.clear();
String update = "UPDATE CachedEntityStatistics s SET s.firstName = :name WHERE s.id = :id";
String name = "name_" + System.currentTimeMillis();
// execute update, this should result in a cache eviction
em.getTransaction().begin();
assertEquals(1, em.createQuery(update).setParameter("name", name).setParameter("id", e.getId())
.executeUpdate());
em.getTransaction().commit();
assertTrue(cache.contains(CachedEntityStatistics.class, e.getId()));
CachedEntityStatistics postUpdate = em.find(CachedEntityStatistics.class, e.getId());
assertNotEquals(name, postUpdate.getFirstName());
}finally{
emf.close();
}
}
public void testDeleteNoEvict() throws Exception {
OpenJPAEntityManagerFactorySPI emf = createNamedEMF(getPersistenceUnitName(), noEvictProps);
Cache cache = emf.getCache();
OpenJPAEntityManagerSPI em = emf.createEntityManager();
try {
CachedEntityStatistics e = createEntity(em);
assertTrue(cache.contains(CachedEntityStatistics.class, e.getId()));
em.clear();
String delete = "DELETE FROM CachedEntityStatistics s WHERE s.id = :id";
// execute update, this should NOT result in a cache eviction
em.getTransaction().begin();
assertEquals(1, em.createQuery(delete).setParameter("id", e.getId()).executeUpdate());
em.getTransaction().commit();
assertTrue(cache.contains(CachedEntityStatistics.class, e.getId()));
em.clear();
CachedEntityStatistics postUpdate = em.find(CachedEntityStatistics.class, e.getId());
assertNotNull(postUpdate);
} finally {
em.close();
}
}
private CachedEntityStatistics createEntity(EntityManager em) {
em.getTransaction().begin();
CachedEntityStatistics e = new CachedEntityStatistics();
em.persist(e);
em.getTransaction().commit();
return e;
}
}