/******************************************************************************* | |
* Copyright (c) 2005, 2009 SAP. All rights reserved. | |
* This program and the accompanying materials are made available under the | |
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 | |
* which accompanies this distribution. | |
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html | |
* and the Eclipse Distribution License is available at | |
* http://www.eclipse.org/org/documents/edl-v10.php. | |
* | |
* Contributors: | |
* SAP - initial API and implementation | |
******************************************************************************/ | |
package org.eclipse.persistence.testing.tests.wdf.jpa1.entitymanager; | |
import java.sql.Date; | |
import java.util.HashSet; | |
import java.util.Set; | |
import javax.naming.NamingException; | |
import javax.persistence.Cache; | |
import javax.persistence.EntityManager; | |
import junit.framework.Assert; | |
import org.eclipse.persistence.testing.framework.wdf.JPAEnvironment; | |
import org.eclipse.persistence.testing.framework.wdf.ToBeInvestigated; | |
import org.eclipse.persistence.testing.models.wdf.jpa1.employee.Cubicle; | |
import org.eclipse.persistence.testing.models.wdf.jpa1.employee.Department; | |
import org.eclipse.persistence.testing.models.wdf.jpa1.employee.Employee; | |
import org.eclipse.persistence.testing.models.wdf.jpa1.employee.Review; | |
import org.eclipse.persistence.testing.models.wdf.jpa1.island.Island; | |
import org.eclipse.persistence.testing.tests.wdf.jpa1.JPA1Base; | |
import org.junit.Test; | |
public class TestCache extends JPA1Base { | |
@Test | |
public void testClone() { | |
JPAEnvironment env = getEnvironment(); | |
EntityManager em = env.getEntityManager(); | |
try { | |
Department dep1 = new Department(1, "aaa"); | |
env.beginTransaction(em); | |
em.persist(dep1); | |
env.commitTransactionAndClear(em); // clear context | |
env.beginTransaction(em); | |
Department dep2 = em.find(Department.class, 1); | |
// Department number 1 now in Cache | |
Assert.assertFalse("Entry no clone", dep1 == dep2); | |
Department dep3 = em.find(Department.class, 1); | |
Assert.assertTrue("duplicate Entity", dep2 == dep3); | |
env.commitTransactionAndClear(em); | |
} finally { | |
closeEntityManager(em); | |
} | |
} | |
@Test | |
@ToBeInvestigated | |
public void testContains() throws NamingException { | |
JPAEnvironment env = getEnvironment(); | |
EntityManager em = env.getEntityManager(); | |
try { | |
Department wk = new Department(2, "Wasserkopp"); | |
env.beginTransaction(em); | |
em.persist(wk); | |
env.commitTransactionAndClear(em); | |
wk = em.find(Department.class, wk.getId()); // read into cache | |
Cache cache = em.getEntityManagerFactory().getCache(); | |
Assert.assertTrue(cache.contains(Department.class, wk.getId())); | |
cache.evict(Department.class, wk.getId()); | |
Assert.assertFalse(cache.contains(Department.class, wk.getId())); | |
} finally { | |
closeEntityManager(em); | |
} | |
} | |
@Test | |
@ToBeInvestigated | |
public void testRelation() { | |
JPAEnvironment env = getEnvironment(); | |
EntityManager em = env.getEntityManager(); | |
Cache cache = env.getEntityManagerFactory().getCache(); | |
try { | |
Department dep = new Department(3, "whatsoever"); | |
Review review = new Review(33, Date.valueOf("2009-05-08"), "blah"); | |
Set<Review> reviewSet = new HashSet<Review>(); | |
reviewSet.add(review); | |
Employee emp = new Employee(17, "first", "last", dep); | |
emp.setReviews(reviewSet); | |
env.beginTransaction(em); | |
em.persist(review); | |
em.persist(dep); | |
em.persist(emp); | |
env.commitTransactionAndClear(em); | |
env.beginTransaction(em); | |
emp = em.find(Employee.class, emp.getId()); | |
Assert.assertTrue(cache.contains(Department.class, dep.getId())); // eager | |
// loading | |
Assert.assertTrue(cache.contains(Employee.class, emp.getId())); | |
Assert.assertFalse(cache.contains(Review.class, review.getId())); // not | |
// cacheable | |
env.commitTransactionAndClear(em); | |
} finally { | |
closeEntityManager(em); | |
} | |
} | |
@Test | |
@ToBeInvestigated | |
public void testInvalidateUpdate() { | |
JPAEnvironment env = getEnvironment(); | |
EntityManager em = env.getEntityManager(); | |
Cache cache = env.getEntityManagerFactory().getCache(); | |
try { | |
env.beginTransaction(em); | |
Department dep = new Department(4, "motleyCrew"); | |
em.persist(dep); | |
env.commitTransactionAndClear(em); // write to DB | |
env.beginTransaction(em); | |
dep = em.find(Department.class, dep.getId()); // read into cache | |
Assert.assertTrue(cache.contains(Department.class, dep.getId())); | |
dep.setName("someUglyChanges"); | |
env.commitTransactionAndClear(em); // invalidate in cache | |
Assert.assertFalse(cache.contains(Department.class, dep.getId())); | |
env.beginTransaction(em); | |
dep = em.find(Department.class, dep.getId()); // read again into | |
// cache | |
Assert.assertTrue(cache.contains(Department.class, dep.getId())); | |
dep.setName("someMoreUglyChanges"); | |
em.flush(); // not invalidate cache | |
Assert.assertTrue(cache.contains(Department.class, dep.getId())); | |
em.clear(); // prepare invalidate for commit | |
dep = em.find(Department.class, dep.getId()); // read own changes | |
// from DB | |
Assert.assertTrue(dep.getName().equals("someMoreUglyChanges")); | |
// no change since flush but clear() stores changes for commit | |
// invalidation | |
env.commitTransactionAndClear(em); | |
Assert.assertFalse(cache.contains(Department.class, dep.getId())); | |
} finally { | |
closeEntityManager(em); | |
} | |
} | |
@Test | |
@ToBeInvestigated | |
public void testInvalidateRemove() { | |
JPAEnvironment env = getEnvironment(); | |
EntityManager em = env.getEntityManager(); | |
Cache cache = env.getEntityManagerFactory().getCache(); | |
try { | |
env.beginTransaction(em); | |
Department dep = new Department(5, "SpaceCowboys"); | |
em.persist(dep); | |
env.commitTransactionAndClear(em); | |
env.beginTransaction(em); | |
dep = em.find(Department.class, dep.getId()); | |
Assert.assertTrue(cache.contains(Department.class, dep.getId())); | |
em.remove(dep); | |
env.commitTransactionAndClear(em); | |
Assert.assertFalse(cache.contains(Department.class, dep.getId())); | |
} finally { | |
closeEntityManager(em); | |
} | |
} | |
@Test | |
@ToBeInvestigated | |
public void testNotOwningSide() { | |
JPAEnvironment env = getEnvironment(); | |
EntityManager em = env.getEntityManager(); | |
Cache cache = env.getEntityManagerFactory().getCache(); | |
// final boolean isLazyToOneEnabled = | |
// isLazyToOneRelationshipEnabled(em); | |
try { | |
env.beginTransaction(em); | |
Department dep = new Department(40, "Dep"); | |
Employee emp = new Employee(35, "aaa", "bbb", dep); | |
Cubicle cub = new Cubicle(8, 9, "blue", emp); | |
emp.setCubicle(cub); // maintain second side | |
em.persist(dep); | |
em.persist(emp); | |
em.persist(cub); | |
env.commitTransactionAndClear(em); | |
env.beginTransaction(em); | |
emp = em.find(Employee.class, emp.getId()); // read into cache | |
Assert.assertTrue(cache.contains(Department.class, dep.getId())); | |
Assert.assertTrue(cache.contains(Employee.class, emp.getId())); | |
// if (isLazyToOneEnabled) { | |
// assertTrue(!cache.contains(Cubicle.class, cub.getId())); | |
// Cubicle lazyCubicle = em.find(Cubicle.class, cub.getId()); | |
// assertTrue(lazyCubicle instanceof LazilyLoadable); | |
// assertTrue(((LazilyLoadable) lazyCubicle)._isPending()); | |
// } else { | |
// Assert.assertTrue(cache.contains(Cubicle.class, cub.getId())); | |
// } | |
emp.getCubicle().setEmployee(null); // notOwningSide changes here | |
env.commitTransactionAndClear(em); | |
Assert.assertTrue(cache.contains(Department.class, dep.getId())); | |
Assert.assertTrue(cache.contains(Employee.class, emp.getId())); | |
Assert.assertFalse(cache.contains(Cubicle.class, cub.getId())); | |
} finally { | |
closeEntityManager(em); | |
} | |
} | |
@Test | |
@ToBeInvestigated | |
public void testNotOwningSide2() { | |
JPAEnvironment env = getEnvironment(); | |
EntityManager em = env.getEntityManager(); | |
try { | |
env.beginTransaction(em); | |
Department dep = new Department(41, "Dep"); | |
Employee emp = new Employee(36, "aaa", "bbb", dep); | |
Cubicle cub = new Cubicle(9, 9, "blue", emp); | |
emp.setCubicle(cub); // maintain second side | |
em.persist(dep); | |
em.persist(emp); | |
em.persist(cub); | |
env.commitTransactionAndClear(em); | |
env.beginTransaction(em); | |
cub = em.find(Cubicle.class, cub.getId()); // read into cache | |
env.commitTransactionAndClear(em); // clear PC | |
Assert.assertTrue("Employee is loitering in PC", !em.contains(emp)); | |
env.beginTransaction(em); | |
cub = em.find(Cubicle.class, cub.getId()); // read from cache | |
Assert.assertTrue("emp not reloaded", em.contains(emp)); | |
env.commitTransactionAndClear(em); | |
/* | |
* we expect three queries: Employee.bicycles, Employee.checkingAccount, employee.motorVehicles | |
*/ | |
} finally { | |
closeEntityManager(em); | |
} | |
} | |
@Test | |
@ToBeInvestigated | |
public void testTimeToLive() throws InterruptedException { | |
JPAEnvironment env = getEnvironment(); | |
EntityManager em = env.getEntityManager(); | |
try { | |
// initialize data | |
env.beginTransaction(em); | |
Island island = new Island("Amrum"); | |
em.persist(island); | |
env.commitTransactionAndClear(em); | |
int id = island.getId(); | |
// fill cache | |
env.beginTransaction(em); | |
island = em.find(Island.class, id); | |
env.commitTransactionAndClear(em); | |
// change on DB | |
env.beginTransaction(em); | |
em.createQuery("update Island i set i.name='Langeoog'").executeUpdate(); | |
env.commitTransactionAndClear(em); | |
env.beginTransaction(em); | |
// change not reflected in cache | |
island = em.find(Island.class, id); | |
Assert.assertEquals("Amrum", island.getName()); | |
em.clear(); | |
// wait ten seconds (time to live of island) | |
Thread.sleep(2500); | |
// change must be reflected now | |
island = em.find(Island.class, id); | |
Assert.assertEquals("Langeoog", island.getName()); | |
env.rollbackTransactionAndClear(em); | |
} finally { | |
closeEntityManager(em); | |
} | |
} | |
} |