/*
* 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.id.uuid;
import java.util.UUID;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Table;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.boot.Metadata;
import org.hibernate.boot.MetadataSources;
import org.hibernate.boot.internal.MetadataImpl;
import org.hibernate.boot.registry.StandardServiceRegistry;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.cfg.AvailableSettings;
import org.hibernate.id.IdentifierGenerator;
import org.hibernate.id.UUIDGenerator;
import org.hibernate.mapping.PersistentClass;
import org.hibernate.mapping.RootClass;
import org.hibernate.testing.junit4.BaseUnitTestCase;
import org.junit.Test;
import static org.hibernate.testing.junit4.ExtraAssertions.assertTyping;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
/**
* Tests a UUID attribute annotated as a generated id value.
*
* @author Steve Ebersole
*/
public class GeneratedValueTest extends BaseUnitTestCase {
@Test
public void testGeneratedUuidId() throws Exception {
StandardServiceRegistry ssr = new StandardServiceRegistryBuilder()
.applySetting( AvailableSettings.HBM2DDL_AUTO, "create-drop" )
.build();
try {
Metadata metadata = new MetadataSources( ssr ).addAnnotatedClass( TheEntity.class ).buildMetadata();
( (MetadataImpl) metadata ).validate();
PersistentClass entityBinding = metadata.getEntityBinding( TheEntity.class.getName() );
assertEquals( UUID.class, entityBinding.getIdentifier().getType().getReturnedClass() );
IdentifierGenerator generator = entityBinding.getIdentifier().createIdentifierGenerator(
metadata.getIdentifierGeneratorFactory(),
metadata.getDatabase().getDialect(),
null,
null,
(RootClass) entityBinding
);
assertTyping( UUIDGenerator.class, generator );
// now a functional test
SessionFactory sf = metadata.buildSessionFactory();
try {
TheEntity theEntity = new TheEntity();
Session s = sf.openSession();
s.beginTransaction();
s.save( theEntity );
s.getTransaction().commit();
s.close();
assertNotNull( theEntity.id );
s = sf.openSession();
s.beginTransaction();
try {
s.delete( theEntity );
s.getTransaction().commit();
}
catch (Exception e) {
s.getTransaction().rollback();
throw e;
}
finally {
s.close();
}
}
finally {
try {
sf.close();
}
catch (Exception ignore) {
}
}
}
finally {
StandardServiceRegistryBuilder.destroy( ssr );
}
}
@Entity(name = "TheEntity")
@Table(name = "TheEntity")
public static class TheEntity {
@Id
@Column( length = 16 )
@GeneratedValue
public UUID id;
}
}