/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, 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.ejb.test.ops;
import java.util.Map;
import javax.persistence.EntityManager;
import org.junit.Test;
import org.hibernate.Hibernate;
import org.hibernate.Session;
import org.hibernate.cfg.Environment;
import org.hibernate.ejb.EntityManagerFactoryImpl;
import org.hibernate.ejb.test.BaseEntityManagerFunctionalTestCase;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
/**
* @author Gavin King
* @author Hardy Ferentschik
*/
public class GetLoadTest extends BaseEntityManagerFunctionalTestCase {
@Test
public void testGetLoad() {
clearCounts();
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
Session s = ( Session ) em.getDelegate();
Employer emp = new Employer();
s.persist( emp );
Node node = new Node( "foo" );
Node parent = new Node( "bar" );
parent.addChild( node );
s.persist( parent );
em.getTransaction().commit();
em.close();
em = getOrCreateEntityManager();
em.getTransaction().begin();
s = ( Session ) em.getDelegate();
emp = ( Employer ) s.get( Employer.class, emp.getId() );
assertTrue( Hibernate.isInitialized( emp ) );
assertFalse( Hibernate.isInitialized( emp.getEmployees() ) );
node = ( Node ) s.get( Node.class, node.getName() );
assertTrue( Hibernate.isInitialized( node ) );
assertFalse( Hibernate.isInitialized( node.getChildren() ) );
assertFalse( Hibernate.isInitialized( node.getParent() ) );
assertNull( s.get( Node.class, "xyz" ) );
em.getTransaction().commit();
em.close();
em = getOrCreateEntityManager();
em.getTransaction().begin();
s = ( Session ) em.getDelegate();
emp = ( Employer ) s.load( Employer.class, emp.getId() );
emp.getId();
assertFalse( Hibernate.isInitialized( emp ) );
node = ( Node ) s.load( Node.class, node.getName() );
assertEquals( node.getName(), "foo" );
assertFalse( Hibernate.isInitialized( node ) );
em.getTransaction().commit();
em.close();
em = getOrCreateEntityManager();
em.getTransaction().begin();
s = ( Session ) em.getDelegate();
emp = ( Employer ) s.get( "org.hibernate.ejb.test.ops.Employer", emp.getId() );
assertTrue( Hibernate.isInitialized( emp ) );
node = ( Node ) s.get( "org.hibernate.ejb.test.ops.Node", node.getName() );
assertTrue( Hibernate.isInitialized( node ) );
em.getTransaction().commit();
em.close();
em = getOrCreateEntityManager();
em.getTransaction().begin();
s = ( Session ) em.getDelegate();
emp = ( Employer ) s.load( "org.hibernate.ejb.test.ops.Employer", emp.getId() );
emp.getId();
assertFalse( Hibernate.isInitialized( emp ) );
node = ( Node ) s.load( "org.hibernate.ejb.test.ops.Node", node.getName() );
assertEquals( node.getName(), "foo" );
assertFalse( Hibernate.isInitialized( node ) );
em.getTransaction().commit();
em.close();
assertFetchCount( 0 );
}
private void clearCounts() {
( ( EntityManagerFactoryImpl ) entityManagerFactory() ).getSessionFactory().getStatistics().clear();
}
private void assertFetchCount(int count) {
int fetches = ( int ) ( ( EntityManagerFactoryImpl ) entityManagerFactory() ).getSessionFactory()
.getStatistics()
.getEntityFetchCount();
assertEquals( count, fetches );
}
@Override
@SuppressWarnings( {"unchecked"})
protected void addConfigOptions(Map options) {
options.put( Environment.GENERATE_STATISTICS, "true" );
options.put( Environment.STATEMENT_BATCH_SIZE, "0" );
}
@Override
protected String[] getMappings() {
return new String[] {
"org/hibernate/ejb/test/ops/Node.hbm.xml",
"org/hibernate/ejb/test/ops/Employer.hbm.xml"
};
}
}