/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2006-2011, 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.test.formulajoin;
import java.util.List;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.dialect.PostgreSQLDialect;
import org.junit.Test;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* @author Gavin King
*/
public class FormulaJoinTest extends BaseCoreFunctionalTestCase {
public String[] getMappings() {
return new String[] { "formulajoin/Master.hbm.xml" };
}
@Test
public void testFormulaJoin() {
Session s = openSession();
Transaction tx = s.beginTransaction();
Master master = new Master();
master.setName("master 1");
Detail current = new Detail();
current.setCurrentVersion(true);
current.setVersion(2);
current.setDetails("details of master 1 blah blah");
current.setMaster(master);
master.setDetail(current);
Detail past = new Detail();
past.setCurrentVersion(false);
past.setVersion(1);
past.setDetails("old details of master 1 yada yada");
past.setMaster(master);
s.persist(master);
s.persist(past);
s.persist(current);
tx.commit();
s.close();
if ( getDialect() instanceof PostgreSQLDialect ) return;
s = openSession();
tx = s.beginTransaction();
List l = s.createQuery("from Master m left join m.detail d").list();
assertEquals( l.size(), 1 );
tx.commit();
s.close();
s = openSession();
tx = s.beginTransaction();
l = s.createQuery("from Master m left join fetch m.detail").list();
assertEquals( l.size(), 1 );
Master m = (Master) l.get(0);
assertEquals( "master 1", m.getDetail().getMaster().getName() );
assertTrue( m==m.getDetail().getMaster() );
tx.commit();
s.close();
s = openSession();
tx = s.beginTransaction();
l = s.createQuery("from Master m join fetch m.detail").list();
assertEquals( l.size(), 1 );
tx.commit();
s.close();
s = openSession();
tx = s.beginTransaction();
l = s.createQuery("from Detail d join fetch d.currentMaster.master").list();
assertEquals( l.size(), 2 );
tx.commit();
s.close();
s = openSession();
tx = s.beginTransaction();
l = s.createQuery("from Detail d join fetch d.currentMaster.master m join fetch m.detail").list();
assertEquals( l.size(), 2 );
s.createQuery("delete from Detail").executeUpdate();
s.createQuery("delete from Master").executeUpdate();
tx.commit();
s.close();
}
}