/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.jpa.test.ejb3configuration;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import java.util.Date;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import org.hibernate.cfg.AvailableSettings;
import org.hibernate.jpa.HibernateEntityManager;
import org.hibernate.jpa.test.BaseEntityManagerFunctionalTestCase;
import org.hibernate.jpa.test.Cat;
import org.hibernate.jpa.test.Distributor;
import org.hibernate.jpa.test.Item;
import org.hibernate.jpa.test.Kitten;
import org.hibernate.jpa.test.Wallet;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* @author Emmanuel Bernard
*/
public class EntityManagerFactorySerializationTest extends BaseEntityManagerFunctionalTestCase {
@Test
public void testSerialization() throws Exception {
ByteArrayOutputStream stream = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream( stream );
out.writeObject( entityManagerFactory() );
out.close();
byte[] serialized = stream.toByteArray();
stream.close();
ByteArrayInputStream byteIn = new ByteArrayInputStream( serialized );
ObjectInputStream in = new ObjectInputStream( byteIn );
EntityManagerFactory serializedFactory = (EntityManagerFactory) in.readObject();
in.close();
byteIn.close();
EntityManager em = serializedFactory.createEntityManager();
//em.getTransaction().begin();
//em.setFlushMode( FlushModeType.NEVER );
Cat cat = new Cat();
cat.setAge( 3 );
cat.setDateOfBirth( new Date() );
cat.setLength( 22 );
cat.setName( "Kitty" );
em.persist( cat );
Item item = new Item();
item.setName( "Train Ticket" );
item.setDescr( "Paris-London" );
em.persist( item );
//em.getTransaction().commit();
//em.getTransaction().begin();
item.setDescr( "Paris-Bruxelles" );
//em.getTransaction().commit();
//fake the in container work
( (HibernateEntityManager) em ).getSession().disconnect();
stream = new ByteArrayOutputStream();
out = new ObjectOutputStream( stream );
out.writeObject( em );
out.close();
serialized = stream.toByteArray();
stream.close();
byteIn = new ByteArrayInputStream( serialized );
in = new ObjectInputStream( byteIn );
em = (EntityManager) in.readObject();
in.close();
byteIn.close();
//fake the in container work
em.getTransaction().begin();
item = em.find( Item.class, item.getName() );
item.setDescr( item.getDescr() + "-Amsterdam" );
cat = (Cat) em.createQuery( "select c from " + Cat.class.getName() + " c" ).getSingleResult();
cat.setLength( 34 );
em.flush();
em.remove( item );
em.remove( cat );
em.flush();
em.getTransaction().commit();
em.close();
}
@Test
public void testEntityManagerFactorySerialization() throws Exception {
EntityManagerFactory entityManagerFactory = entityManagerFactory();
ByteArrayOutputStream stream = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream( stream );
out.writeObject( entityManagerFactory );
out.close();
byte[] serialized = stream.toByteArray();
stream.close();
ByteArrayInputStream byteIn = new ByteArrayInputStream( serialized );
ObjectInputStream in = new ObjectInputStream( byteIn );
EntityManagerFactory entityManagerFactory2 = (EntityManagerFactory) in.readObject();
in.close();
byteIn.close();
assertTrue("deserialized EntityManagerFactory should be the same original EntityManagerFactory instance",
entityManagerFactory2 == entityManagerFactory);
}
@Test
public void testEntityManagerFactoryProperties() {
EntityManagerFactory entityManagerFactory = entityManagerFactory();
assertTrue( entityManagerFactory.getProperties().containsKey( AvailableSettings.USER ) );
if ( entityManagerFactory.getProperties().containsKey( AvailableSettings.PASS ) ) {
assertEquals( "****", entityManagerFactory.getProperties().get( AvailableSettings.PASS ) );
}
}
@Override
public Class[] getAnnotatedClasses() {
return new Class[]{
Item.class,
Distributor.class,
Wallet.class,
Cat.class,
Kitten.class
};
}
}