/*
* 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.test.ternary;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.hibernate.Hibernate;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.junit.Test;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
/**
* @author Gavin King
*/
public class TernaryTest extends BaseCoreFunctionalTestCase {
@Override
public String[] getMappings() {
return new String[] { "ternary/Ternary.hbm.xml" };
}
@Override
public String getCacheConcurrencyStrategy() {
return null;
}
@Test
public void testTernary() {
Session s = openSession();
Transaction t = s.beginTransaction();
Employee bob = new Employee("Bob");
Employee tom = new Employee("Tom");
Employee jim = new Employee("Jim");
Employee tim = new Employee("Tim");
Site melb = new Site("Melbourne");
Site geel = new Site("Geelong");
s.persist(bob);
s.persist(tom);
s.persist(jim);
s.persist(tim);
s.persist(melb);
s.persist(geel);
bob.getManagerBySite().put(melb, tom);
bob.getManagerBySite().put(geel, jim);
tim.getManagerBySite().put(melb, tom);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
tom = (Employee) s.get(Employee.class, "Tom");
assertFalse( Hibernate.isInitialized(tom.getUnderlings()) );
assertEquals( tom.getUnderlings().size(), 2 );
bob = (Employee) s.get(Employee.class, "Bob");
assertFalse( Hibernate.isInitialized(bob.getManagerBySite()) );
assertTrue( tom.getUnderlings().contains(bob) );
melb = (Site) s.get(Site.class, "Melbourne");
assertSame( bob.getManagerBySite().get(melb), tom );
assertTrue( melb.getEmployees().contains(bob) );
assertTrue( melb.getManagers().contains(tom) );
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
List l = s.createQuery("from Employee e join e.managerBySite m where m.name='Bob'").list();
assertEquals( l.size(), 0 );
l = s.createQuery("from Employee e join e.managerBySite m where m.name='Tom'").list();
assertEquals( l.size(), 2 );
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
l = s.createQuery("from Employee e left join fetch e.managerBySite").list();
assertEquals( l.size(), 5 );
Set set = new HashSet(l);
assertEquals( set.size(), 4 );
Iterator iter = set.iterator();
int total=0;
while ( iter.hasNext() ) {
Map map = ( (Employee) iter.next() ).getManagerBySite();
assertTrue( Hibernate.isInitialized(map) );
total += map.size();
}
assertTrue(total==3);
l = s.createQuery("from Employee e left join e.managerBySite m left join m.managerBySite m2").list();
// clean up...
l = s.createQuery("from Employee e left join fetch e.managerBySite").list();
Iterator itr = l.iterator();
while ( itr.hasNext() ) {
Employee emp = ( Employee ) itr.next();
emp.setManagerBySite( new HashMap() );
s.delete( emp );
}
for ( Object entity : s.createQuery( "from Site" ).list() ) {
s.delete( entity );
}
t.commit();
s.close();
}
@Test
public void testIndexRelatedFunctions() {
Session session = openSession();
session.beginTransaction();
session.createQuery( "from Employee e join e.managerBySite as m where index(m) is not null" )
.list();
session.createQuery( "from Employee e join e.managerBySite as m where minIndex(m) is not null" )
.list();
session.createQuery( "from Employee e join e.managerBySite as m where maxIndex(m) is not null" )
.list();
session.getTransaction().commit();
session.close();
}
}