/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2011, 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.lob;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.HashMap;
import java.util.Map;
import javax.persistence.EntityManager;
import org.junit.Test;
import org.hibernate.Session;
import org.hibernate.ejb.test.BaseEntityManagerFunctionalTestCase;
import org.hibernate.testing.DialectChecks;
import org.hibernate.testing.RequiresDialectFeature;
import static org.junit.Assert.assertTrue;
/**
* @author Emmanuel Bernard
*/
@RequiresDialectFeature( DialectChecks.SupportsExpectedLobUsagePattern.class )
public class BlobTest extends BaseEntityManagerFunctionalTestCase {
@Test
public void testBlobSerialization() throws Exception {
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
Map<String,String> image = new HashMap<String, String>();
image.put( "meta", "metadata" );
image.put( "data", "imagedata" );
ImageReader reader = new ImageReader();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream( baos );
oos.writeObject( image );
reader.setImage( em.unwrap( Session.class ).getLobHelper().createBlob( baos.toByteArray() ) );
em.persist( reader );
em.getTransaction().commit();
em.close(); //useless but y'a know
em = getOrCreateEntityManager();
em.getTransaction().begin();
reader = em.find( ImageReader.class, reader.getId() );
ObjectInputStream ois = new ObjectInputStream( reader.getImage().getBinaryStream() );
image = (HashMap<String, String>) ois.readObject();
assertTrue( image.containsKey( "meta" ) );
em.getTransaction().commit();
em.close();
}
@Override
public Class[] getAnnotatedClasses() {
return new Class[] { ImageReader.class };
}
}