/*
* 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.reattachment;
import static org.junit.Assert.assertEquals;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import org.hibernate.Session;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import org.junit.Test;
/**
* 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();
}
@Test
@TestForIssue(jiraKey = "HHH-8374")
public void testRemoveAndReattachProxyEntity() {
Session s = openSession();
s.beginTransaction();
Parent p = new Parent("foo");
s.persist( p );
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
p = (Parent) s.load( Parent.class, p.getName() );
s.delete( p );
// re-attach
s.persist( p );
s.getTransaction().commit();
s.close();
}
}