/*
* 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.reattachment;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import org.hibernate.Session;
import org.junit.Test;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import static org.junit.Assert.assertEquals;
/**
* Test of proxy reattachment semantics
*
* @author Steve Ebersole
*/
public class ProxyReattachmentTest extends BaseCoreFunctionalTestCase {
public String[] getMappings() {
return new String[] { "reattachment/Mappings.hbm.xml" };
}
@Test
public void testUpdateAfterEvict() {
Session s = openSession();
s.beginTransaction();
Parent p = new Parent( "p" );
s.save( p );
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
p = ( Parent ) s.load( Parent.class, "p" );
// evict...
s.evict( p );
// now try to reattach...
s.update( p );
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
s.delete( p );
s.getTransaction().commit();
s.close();
}
@Test
public void testUpdateAfterClear() {
Session s = openSession();
s.beginTransaction();
Parent p = new Parent( "p" );
s.save( p );
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
p = ( Parent ) s.load( Parent.class, "p" );
// clear...
s.clear();
// now try to reattach...
s.update( p );
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
s.delete( p );
s.getTransaction().commit();
s.close();
}
@Test
@SuppressWarnings( {"unchecked"})
public void testIterateWithClearTopOfLoop() {
Session s = openSession();
s.beginTransaction();
Set parents = new HashSet();
for (int i=0; i<5; i++) {
Parent p = new Parent( String.valueOf( i ) );
Child child = new Child( "child" + i );
child.setParent( p );
p.getChildren().add( child );
s.save( p );
parents.add(p);
}
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
int i = 0;
for ( Iterator it = s.createQuery( "from Parent" ).iterate(); it.hasNext(); ) {
i++;
if (i % 2 == 0) {
s.flush();
s.clear();
}
Parent p = (Parent) it.next();
assertEquals( 1, p.getChildren().size() );
}
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
for ( Object parent : parents ) {
s.delete( parent );
}
s.getTransaction().commit();
s.close();
}
@Test
@SuppressWarnings( {"unchecked"})
public void testIterateWithClearBottomOfLoop() {
Session s = openSession();
s.beginTransaction();
Set parents = new HashSet();
for (int i=0; i<5; i++) {
Parent p = new Parent( String.valueOf( i ) );
Child child = new Child( "child" + i );
child.setParent( p );
p.getChildren().add( child );
s.save( p );
parents.add(p);
}
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
int i = 0;
for (Iterator it = s.createQuery( "from Parent" ).iterate(); it.hasNext(); ) {
Parent p = (Parent) it.next();
assertEquals( 1, p.getChildren().size() );
i++;
if (i % 2 == 0) {
s.flush();
s.clear();
}
}
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
for ( Object parent : parents ) {
s.delete( parent );
}
s.getTransaction().commit();
s.close();
}
@Test
@SuppressWarnings( {"unchecked"})
public void testIterateWithEvictTopOfLoop() {
Session s = openSession();
s.beginTransaction();
Set parents = new HashSet();
for (int i=0; i<5; i++) {
Parent p = new Parent( String.valueOf( i + 100 ) );
Child child = new Child( "child" + i );
child.setParent( p );
p.getChildren().add( child );
s.save( p );
parents.add(p);
}
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
Parent p = null;
for (Iterator it = s.createQuery( "from Parent" ).iterate(); it.hasNext(); ) {
if ( p != null) { s.evict(p); }
p = (Parent) it.next();
assertEquals( 1, p.getChildren().size() );
}
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
for ( Object parent : parents ) {
s.delete( parent );
}
s.getTransaction().commit();
s.close();
}
@Test
@SuppressWarnings( {"unchecked"})
public void testIterateWithEvictBottomOfLoop() {
Session s = openSession();
s.beginTransaction();
Set parents = new HashSet();
for (int i=0; i<5; i++) {
Parent p = new Parent( String.valueOf( i + 100 ) );
Child child = new Child( "child" + i );
child.setParent( p );
p.getChildren().add( child );
s.save( p );
parents.add(p);
}
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
for (Iterator it = s.createQuery( "from Parent" ).iterate(); it.hasNext(); ) {
Parent p = (Parent) it.next();
assertEquals( 1, p.getChildren().size() );
s.evict(p);
}
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
for ( Object parent : parents ) {
s.delete( parent );
}
s.getTransaction().commit();
s.close();
}
}