/*
* 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.test.keymanytoone.bidir.component;
import java.util.List;
import org.junit.Test;
import org.hibernate.Session;
import org.hibernate.cfg.Configuration;
import org.hibernate.cfg.Environment;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import static org.junit.Assert.assertEquals;
/**
* @author Steve Ebersole
*/
public class LazyKeyManyToOneTest extends BaseCoreFunctionalTestCase {
@Override
public String[] getMappings() {
return new String[] { "keymanytoone/bidir/component/LazyMapping.hbm.xml" };
}
@Override
public void configure(Configuration cfg) {
super.configure( cfg );
cfg.setProperty( Environment.GENERATE_STATISTICS, "true" );
}
@Test
public void testQueryingOnMany2One() {
Session s = openSession();
s.beginTransaction();
Customer cust = new Customer( "Acme, Inc." );
Order order = new Order( new Order.Id( cust, 1 ) );
cust.getOrders().add( order );
s.save( cust );
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
List results = s.createQuery( "from Order o where o.id.customer.name = :name" )
.setParameter( "name", cust.getName() )
.list();
assertEquals( 1, results.size() );
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
s.delete( cust );
s.getTransaction().commit();
s.close();
}
@Test
public void testSaveCascadedToKeyManyToOne() {
// test cascading a save to an association with a key-many-to-one which refers to a
// just saved entity
Session s = openSession();
s.beginTransaction();
Customer cust = new Customer( "Acme, Inc." );
Order order = new Order( new Order.Id( cust, 1 ) );
cust.getOrders().add( order );
sessionFactory().getStatistics().clear();
s.save( cust );
s.flush();
assertEquals( 2, sessionFactory().getStatistics().getEntityInsertCount() );
s.delete( cust );
s.getTransaction().commit();
s.close();
}
@Test
public void testLoadingStrategies() {
Session s = openSession();
s.beginTransaction();
Customer cust = new Customer( "Acme, Inc." );
Order order = new Order( new Order.Id( cust, 1 ) );
cust.getOrders().add( order );
s.save( cust );
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
cust = ( Customer ) s.get( Customer.class, cust.getId() );
assertEquals( 1, cust.getOrders().size() );
s.clear();
cust = ( Customer ) s.createQuery( "from Customer" ).uniqueResult();
assertEquals( 1, cust.getOrders().size() );
s.clear();
cust = ( Customer ) s.createQuery( "from Customer c join fetch c.orders" ).uniqueResult();
assertEquals( 1, cust.getOrders().size() );
s.clear();
s.delete( cust );
s.getTransaction().commit();
s.close();
}
}