/*
* Hibernate OGM, Domain model persistence for NoSQL datastores
*
* 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.ogm.backendtck.id;
import javax.persistence.EntityManager;
import org.junit.Test;
import org.hibernate.ogm.utils.jpa.JpaTestCase;
import static org.fest.assertions.Assertions.assertThat;
/**
* @author Nabeel Ali Memon <nabeel@nabeelalimemon.com>
*/
public class SequenceIdGeneratorTest extends JpaTestCase {
@Test
public void testSequenceIdGenerationInJTA() throws Exception {
Song firstSong = new Song();
Song secondSong = new Song();
Actor firstActor = new Actor();
Actor secondActor = new Actor();
getTransactionManager().begin();
final EntityManager em = getFactory().createEntityManager();
boolean operationSuccessfull = false;
try {
firstSong.setSinger( "Charlotte Church" );
firstSong.setTitle( "Ave Maria" );
em.persist( firstSong );
secondSong.setSinger( "Charlotte Church" );
secondSong.setTitle( "Flower Duet" );
em.persist( secondSong );
firstActor.setName( "Russell Crowe" );
firstActor.setBestMovieTitle( "Gladiator" );
em.persist( firstActor );
secondActor.setName( "Johnny Depp" );
secondActor.setBestMovieTitle( "Pirates of the Caribbean" );
em.persist( secondActor );
operationSuccessfull = true;
}
finally {
commitOrRollback( operationSuccessfull );
}
em.clear();
getTransactionManager().begin();
operationSuccessfull = false;
try {
firstSong = em.find( Song.class, firstSong.getId() );
assertThat( firstSong ).isNotNull();
assertThat( firstSong.getId() ).isEqualTo( Song.INITIAL_VALUE );
assertThat( firstSong.getTitle() ).isEqualTo( "Ave Maria" );
em.remove( firstSong );
secondSong = em.find( Song.class, secondSong.getId() );
assertThat( secondSong ).isNotNull();
assertThat( secondSong.getId() ).isEqualTo( Song.INITIAL_VALUE + 1 );
assertThat( secondSong.getTitle() ).isEqualTo( "Flower Duet" );
em.remove( secondSong );
firstActor = em.find( Actor.class, firstActor.getId() );
assertThat( firstActor ).isNotNull();
assertThat( firstActor.getId() ).isEqualTo( Actor.INITIAL_VALUE );
assertThat( firstActor.getName() ).isEqualTo( "Russell Crowe" );
em.remove( firstActor );
secondActor = em.find( Actor.class, secondActor.getId() );
assertThat( secondActor ).isNotNull();
assertThat( secondActor.getId() ).isEqualTo( Actor.INITIAL_VALUE + 1 );
assertThat( secondActor.getName() ).isEqualTo( "Johnny Depp" );
em.remove( secondActor );
operationSuccessfull = true;
}
finally {
commitOrRollback( operationSuccessfull );
}
em.close();
}
@Override
public Class<?>[] getEntities() {
return new Class<?>[] {
Song.class,
Actor.class
};
}
}