//$Id$
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.ejb.test;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import javax.persistence.EntityExistsException;
import javax.persistence.EntityManager;
import javax.persistence.EntityNotFoundException;
import javax.persistence.FlushModeType;
import javax.persistence.PersistenceException;
import javax.persistence.Query;
import org.junit.Test;
import org.hibernate.FlushMode;
import org.hibernate.HibernateException;
import org.hibernate.cfg.Environment;
import org.hibernate.ejb.AvailableSettings;
import org.hibernate.ejb.HibernateEntityManager;
import org.hibernate.ejb.HibernateEntityManagerFactory;
import org.hibernate.stat.Statistics;
import org.hibernate.testing.TestForIssue;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
/**
* @author Gavin King
*/
public class EntityManagerTest extends BaseEntityManagerFunctionalTestCase {
@Override
public Class[] getAnnotatedClasses() {
return new Class[] {
Item.class,
Distributor.class,
Wallet.class
};
}
@SuppressWarnings( {"unchecked"})
protected void addConfigOptions(Map options) {
options.put( Environment.GENERATE_STATISTICS, "true" );
}
@Override
public Map<Class, String> getCachedClasses() {
Map<Class, String> result = new HashMap<Class, String>();
result.put( Item.class, "read-write" );
return result;
}
@Override
public Map<String, String> getCachedCollections() {
Map<String, String> result = new HashMap<String, String>();
result.put( Item.class.getName() + ".distributors", "read-write,"+Item.class.getName() + ".distributors" );
return result;
}
@Test
public void testEntityManager() {
Item item = new Item( "Mouse", "Micro$oft mouse" );
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
em.persist( item );
assertTrue( em.contains( item ) );
em.getTransaction().commit();
assertTrue( em.contains( item ) );
em.getTransaction().begin();
Item item1 = ( Item ) em.createQuery( "select i from Item i where descr like 'M%'" ).getSingleResult();
assertNotNull( item1 );
assertSame( item, item1 );
item.setDescr( "Micro$oft wireless mouse" );
assertTrue( em.contains( item ) );
em.getTransaction().commit();
assertTrue( em.contains( item ) );
em.getTransaction().begin();
item1 = em.find( Item.class, "Mouse" );
assertSame( item, item1 );
em.getTransaction().commit();
assertTrue( em.contains( item ) );
item1 = em.find( Item.class, "Mouse" );
assertSame( item, item1 );
assertTrue( em.contains( item ) );
item1 = ( Item ) em.createQuery( "select i from Item i where descr like 'M%'" ).getSingleResult();
assertNotNull( item1 );
assertSame( item, item1 );
assertTrue( em.contains( item ) );
em.getTransaction().begin();
assertTrue( em.contains( item ) );
em.remove( item );
em.remove( item ); //Second should be no-op
em.getTransaction().commit();
em.close();
}
@Test
public void testConfiguration() throws Exception {
Item item = new Item( "Mouse", "Micro$oft mouse" );
Distributor res = new Distributor();
res.setName( "Bruce" );
item.setDistributors( new HashSet<Distributor>() );
item.getDistributors().add( res );
Statistics stats = ( ( HibernateEntityManagerFactory ) entityManagerFactory() ).getSessionFactory().getStatistics();
stats.clear();
stats.setStatisticsEnabled( true );
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
em.persist( res );
em.persist( item );
assertTrue( em.contains( item ) );
em.getTransaction().commit();
em.close();
assertEquals( 1, stats.getSecondLevelCachePutCount() );
assertEquals( 0, stats.getSecondLevelCacheHitCount() );
em = getOrCreateEntityManager();
em.getTransaction().begin();
Item second = em.find( Item.class, item.getName() );
assertEquals( 1, second.getDistributors().size() );
assertEquals( 1, stats.getSecondLevelCacheHitCount() );
em.getTransaction().commit();
em.close();
em = getOrCreateEntityManager();
em.getTransaction().begin();
second = em.find( Item.class, item.getName() );
assertEquals( 1, second.getDistributors().size() );
assertEquals( 3, stats.getSecondLevelCacheHitCount() );
em.remove( second );
em.remove( second.getDistributors().iterator().next() );
em.getTransaction().commit();
em.close();
stats.clear();
stats.setStatisticsEnabled( false );
}
@Test
public void testContains() throws Exception {
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
Integer nonManagedObject = new Integer( 4 );
try {
em.contains( nonManagedObject );
fail( "Should have raised an exception" );
}
catch ( IllegalArgumentException iae ) {
//success
if ( em.getTransaction() != null ) {
em.getTransaction().rollback();
}
}
finally {
em.close();
}
em = getOrCreateEntityManager();
em.getTransaction().begin();
Item item = new Item();
item.setDescr( "Mine" );
item.setName( "Juggy" );
em.persist( item );
em.getTransaction().commit();
em.getTransaction().begin();
item = em.getReference( Item.class, item.getName() );
assertTrue( em.contains( item ) );
em.remove( item );
em.getTransaction().commit();
em.close();
}
@Test
public void testClear() throws Exception {
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
Wallet w = new Wallet();
w.setBrand( "Lacoste" );
w.setModel( "Minimic" );
w.setSerial( "0100202002" );
em.persist( w );
em.flush();
em.clear();
assertFalse( em.contains( w ) );
em.getTransaction().rollback();
em.close();
}
@Test
public void testFlushMode() throws Exception {
EntityManager em = getOrCreateEntityManager();
em.setFlushMode( FlushModeType.COMMIT );
assertEquals( FlushModeType.COMMIT, em.getFlushMode() );
( ( HibernateEntityManager ) em ).getSession().setFlushMode( FlushMode.ALWAYS );
assertNull( em.getFlushMode() );
em.close();
}
@Test
public void testPersistNoneGenerator() throws Exception {
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
Wallet w = new Wallet();
w.setBrand( "Lacoste" );
w.setModel( "Minimic" );
w.setSerial( "0100202002" );
em.persist( w );
em.getTransaction().commit();
em.getTransaction().begin();
Wallet wallet = em.find( Wallet.class, w.getSerial() );
assertEquals( w.getBrand(), wallet.getBrand() );
em.remove( wallet );
em.getTransaction().commit();
em.close();
}
@Test
public void testSerializableException() throws Exception {
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
try {
Query query = em.createQuery( "SELECT p FETCH JOIN p.distributors FROM Item p" );
query.getSingleResult();
}
catch ( IllegalArgumentException e ) {
ByteArrayOutputStream stream = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream( stream );
out.writeObject( e );
out.close();
byte[] serialized = stream.toByteArray();
stream.close();
ByteArrayInputStream byteIn = new ByteArrayInputStream( serialized );
ObjectInputStream in = new ObjectInputStream( byteIn );
IllegalArgumentException deserializedException = ( IllegalArgumentException ) in.readObject();
in.close();
byteIn.close();
assertNull( deserializedException.getCause().getCause() );
assertNull( e.getCause().getCause() );
}
em.getTransaction().rollback();
em.close();
Exception e = new HibernateException( "Exception", new NullPointerException( "NPE" ) );
ByteArrayOutputStream stream = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream( stream );
out.writeObject( e );
out.close();
byte[] serialized = stream.toByteArray();
stream.close();
ByteArrayInputStream byteIn = new ByteArrayInputStream( serialized );
ObjectInputStream in = new ObjectInputStream( byteIn );
HibernateException deserializedException = ( HibernateException ) in.readObject();
in.close();
byteIn.close();
assertNotNull( "Arbitrary exceptions nullified", deserializedException.getCause() );
assertNotNull( e.getCause() );
}
@Test
public void testIsOpen() throws Exception {
EntityManager em = getOrCreateEntityManager();
assertTrue( em.isOpen() );
em.getTransaction().begin();
assertTrue( em.isOpen() );
em.getTransaction().rollback();
em.close();
assertFalse( em.isOpen() );
}
@Test
@TestForIssue( jiraKey = "EJB-9" )
public void testGet() throws Exception {
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
Item item = em.getReference( Item.class, "nonexistentone" );
try {
item.getDescr();
em.getTransaction().commit();
fail( "Object with wrong id should have failed" );
}
catch ( EntityNotFoundException e ) {
//success
if ( em.getTransaction() != null ) {
em.getTransaction().rollback();
}
}
finally {
em.close();
}
}
@Test
public void testGetProperties() throws Exception {
EntityManager em = getOrCreateEntityManager();
Map<String, Object> properties = em.getProperties();
assertNotNull( properties );
try {
properties.put( "foo", "bar" );
fail();
}
catch ( UnsupportedOperationException e ) {
// success
}
assertTrue( properties.containsKey( AvailableSettings.FLUSH_MODE ) );
}
@Test
public void testSetProperty() throws Exception {
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
Wallet wallet = new Wallet();
wallet.setSerial( "000" );
em.persist( wallet );
em.getTransaction().commit();
em.clear();
assertEquals( em.getProperties().get( AvailableSettings.FLUSH_MODE ), "AUTO" );
assertNotNull(
"With default settings the entity should be persisted on commit.",
em.find( Wallet.class, wallet.getSerial() )
);
em.getTransaction().begin();
wallet = em.merge( wallet );
em.remove( wallet );
em.getTransaction().commit();
em.clear();
assertNull( "The entity should have been removed.", em.find( Wallet.class, wallet.getSerial() ) );
em.setProperty( "org.hibernate.flushMode", "MANUAL" +
"" );
em.getTransaction().begin();
wallet = new Wallet();
wallet.setSerial( "000" );
em.persist( wallet );
em.getTransaction().commit();
em.clear();
assertNull(
"With a flush mode of manual the entity should not have been persisted.",
em.find( Wallet.class, wallet.getSerial() )
);
assertEquals( "MANUAL", em.getProperties().get( AvailableSettings.FLUSH_MODE ) );
em.close();
}
@Test
public void testPersistExisting() throws Exception {
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
Wallet w = new Wallet();
w.setBrand( "Lacoste" );
w.setModel( "Minimic" );
w.setSerial( "0100202002" );
em.persist( w );
w = new Wallet();
w.setBrand( "Lacoste" );
w.setModel( "Minimic" );
w.setSerial( "0100202002" );
try {
em.persist( w );
}
catch ( EntityExistsException eee ) {
//success
if ( em.getTransaction() != null ) {
em.getTransaction().rollback();
}
em.close();
return;
}
try {
em.getTransaction().commit();
fail( "Should have raised an exception" );
}
catch ( PersistenceException pe ) {
}
finally {
em.close();
}
}
@Test
public void testFactoryClosed() throws Exception {
EntityManager em = createIsolatedEntityManager();
assertTrue( em.isOpen() );
assertTrue( em.getEntityManagerFactory().isOpen());
em.getEntityManagerFactory().close(); // closing the entity manager factory should close the EM
assertFalse(em.isOpen());
try {
em.close();
fail("closing entity manager that uses a closed session factory, must throw IllegalStateException");
}
catch( IllegalStateException expected) {
// success
}
}
}