/*
* 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.emops;
import java.util.Map;
import javax.persistence.EntityManager;
import javax.persistence.OptimisticLockException;
import org.jboss.logging.Logger;
import org.hibernate.ejb.test.BaseEntityManagerFunctionalTestCase;
import org.junit.Assert;
import org.junit.Test;
/**
* @author Emmanuel Bernard
*/
public class RemoveTest extends BaseEntityManagerFunctionalTestCase {
private static final Logger log = Logger.getLogger( RemoveTest.class );
@Test
public void testRemove() {
Race race = new Race();
race.competitors.add( new Competitor() );
race.competitors.add( new Competitor() );
race.competitors.add( new Competitor() );
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
em.persist( race );
em.flush();
em.remove( race );
em.flush();
em.getTransaction().rollback();
em.close();
}
@Test
public void testRemoveAndFind() {
Race race = new Race();
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
em.persist( race );
em.remove( race );
Assert.assertNull( em.find( Race.class, race.id ) );
em.getTransaction().rollback();
em.close();
}
@Test
public void testUpdatedAndRemove() throws Exception {
Music music = new Music();
music.setName( "Classical" );
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
em.persist( music );
em.getTransaction().commit();
em.clear();
EntityManager em2 = entityManagerFactory().createEntityManager();
try {
em2.getTransaction().begin();
//read music from 2nd EM
music = em2.find( Music.class, music.getId() );
}
catch (Exception e) {
em2.getTransaction().rollback();
em2.close();
throw e;
}
//change music
em = getOrCreateEntityManager();
em.getTransaction().begin();
em.find( Music.class, music.getId() ).setName( "Rap" );
em.getTransaction().commit();
try {
em2.remove( music ); //remove changed music
em2.flush();
Assert.fail( "should have an optimistic lock exception" );
}
catch( OptimisticLockException e ) {
log.debug("success");
}
finally {
em2.getTransaction().rollback();
em2.close();
}
//clean
em.getTransaction().begin();
em.remove( em.find( Music.class, music.getId() ) );
em.getTransaction().commit();
em.close();
}
@Override
public Class[] getAnnotatedClasses() {
return new Class[] {
Race.class,
Competitor.class,
Music.class
};
}
@Override
@SuppressWarnings( {"unchecked"})
protected void addConfigOptions(Map options) {
options.put( "hibernate.jdbc.batch_size", "0" );
}
}