/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2006-2011, 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.ops;
import org.junit.Test;
import org.hibernate.Hibernate;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.bytecode.instrumentation.internal.FieldInterceptionHelper;
import org.hibernate.cfg.Configuration;
import org.hibernate.cfg.Environment;
import org.hibernate.criterion.Projections;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
/**
* @author Gavin King
*/
public class SaveOrUpdateTest extends BaseCoreFunctionalTestCase {
@Override
public void configure(Configuration cfg) {
cfg.setProperty( Environment.GENERATE_STATISTICS, "true" );
cfg.setProperty( Environment.STATEMENT_BATCH_SIZE, "0" );
}
@Override
public String[] getMappings() {
return new String[] {"ops/Node.hbm.xml"};
}
@Override
protected String getCacheConcurrencyStrategy() {
return "nonstrict-read-write";
}
@Test
public void testSaveOrUpdateDeepTree() {
clearCounts();
Session s = openSession();
Transaction tx = s.beginTransaction();
Node root = new Node( "root" );
Node child = new Node( "child" );
Node grandchild = new Node( "grandchild" );
root.addChild( child );
child.addChild( grandchild );
s.saveOrUpdate( root );
tx.commit();
s.close();
assertInsertCount( 3 );
assertUpdateCount( 0 );
clearCounts();
grandchild.setDescription( "the grand child" );
Node grandchild2 = new Node( "grandchild2" );
child.addChild( grandchild2 );
s = openSession();
tx = s.beginTransaction();
s.saveOrUpdate( root );
tx.commit();
s.close();
assertInsertCount( 1 );
assertUpdateCount( 1 );
clearCounts();
Node child2 = new Node( "child2" );
Node grandchild3 = new Node( "grandchild3" );
child2.addChild( grandchild3 );
root.addChild( child2 );
s = openSession();
tx = s.beginTransaction();
s.saveOrUpdate( root );
tx.commit();
s.close();
assertInsertCount( 2 );
assertUpdateCount( 0 );
clearCounts();
s = openSession();
tx = s.beginTransaction();
s.delete( grandchild );
s.delete( grandchild2 );
s.delete( grandchild3 );
s.delete( child );
s.delete( child2 );
s.delete( root );
tx.commit();
s.close();
}
@Test
public void testSaveOrUpdateDeepTreeWithGeneratedId() {
boolean instrumented = FieldInterceptionHelper.isInstrumented( new NumberedNode() );
clearCounts();
Session s = openSession();
Transaction tx = s.beginTransaction();
NumberedNode root = new NumberedNode( "root" );
NumberedNode child = new NumberedNode( "child" );
NumberedNode grandchild = new NumberedNode( "grandchild" );
root.addChild( child );
child.addChild( grandchild );
s.saveOrUpdate( root );
tx.commit();
s.close();
assertInsertCount( 3 );
assertUpdateCount( 0 );
clearCounts();
child = ( NumberedNode ) root.getChildren().iterator().next();
grandchild = ( NumberedNode ) child.getChildren().iterator().next();
grandchild.setDescription( "the grand child" );
NumberedNode grandchild2 = new NumberedNode( "grandchild2" );
child.addChild( grandchild2 );
s = openSession();
tx = s.beginTransaction();
s.saveOrUpdate( root );
tx.commit();
s.close();
assertInsertCount( 1 );
assertUpdateCount( instrumented ? 1 : 3 );
clearCounts();
NumberedNode child2 = new NumberedNode( "child2" );
NumberedNode grandchild3 = new NumberedNode( "grandchild3" );
child2.addChild( grandchild3 );
root.addChild( child2 );
s = openSession();
tx = s.beginTransaction();
s.saveOrUpdate( root );
tx.commit();
s.close();
assertInsertCount( 2 );
assertUpdateCount( instrumented ? 0 : 4 );
clearCounts();
s = openSession();
tx = s.beginTransaction();
s.createQuery( "delete from NumberedNode where name like 'grand%'" ).executeUpdate();
s.createQuery( "delete from NumberedNode where name like 'child%'" ).executeUpdate();
s.createQuery( "delete from NumberedNode" ).executeUpdate();
tx.commit();
s.close();
}
@Test
public void testSaveOrUpdateTree() {
clearCounts();
Session s = openSession();
Transaction tx = s.beginTransaction();
Node root = new Node( "root" );
Node child = new Node( "child" );
root.addChild( child );
s.saveOrUpdate( root );
tx.commit();
s.close();
assertInsertCount( 2 );
clearCounts();
root.setDescription( "The root node" );
child.setDescription( "The child node" );
Node secondChild = new Node( "second child" );
root.addChild( secondChild );
s = openSession();
tx = s.beginTransaction();
s.saveOrUpdate( root );
tx.commit();
s.close();
assertInsertCount( 1 );
assertUpdateCount( 2 );
s = openSession();
tx = s.beginTransaction();
s.createQuery( "delete from Node where parent is not null" ).executeUpdate();
s.createQuery( "delete from Node" ).executeUpdate();
tx.commit();
s.close();
}
@Test
public void testSaveOrUpdateTreeWithGeneratedId() {
clearCounts();
Session s = openSession();
Transaction tx = s.beginTransaction();
NumberedNode root = new NumberedNode( "root" );
NumberedNode child = new NumberedNode( "child" );
root.addChild( child );
s.saveOrUpdate( root );
tx.commit();
s.close();
assertInsertCount( 2 );
clearCounts();
root.setDescription( "The root node" );
child.setDescription( "The child node" );
NumberedNode secondChild = new NumberedNode( "second child" );
root.addChild( secondChild );
s = openSession();
tx = s.beginTransaction();
s.saveOrUpdate( root );
tx.commit();
s.close();
assertInsertCount( 1 );
assertUpdateCount( 2 );
s = openSession();
tx = s.beginTransaction();
s.createQuery( "delete from NumberedNode where parent is not null" ).executeUpdate();
s.createQuery( "delete from NumberedNode" ).executeUpdate();
tx.commit();
s.close();
}
@Test
public void testSaveOrUpdateManaged() {
Session s = openSession();
Transaction tx = s.beginTransaction();
NumberedNode root = new NumberedNode( "root" );
s.saveOrUpdate( root );
tx.commit();
tx = s.beginTransaction();
NumberedNode child = new NumberedNode( "child" );
root.addChild( child );
s.saveOrUpdate( root );
assertFalse( s.contains( child ) );
s.flush();
assertTrue( s.contains( child ) );
tx.commit();
assertTrue( root.getChildren().contains( child ) );
assertEquals( root.getChildren().size(), 1 );
tx = s.beginTransaction();
assertEquals(
Long.valueOf( 2 ),
s.createCriteria( NumberedNode.class )
.setProjection( Projections.rowCount() )
.uniqueResult()
);
s.delete( root );
s.delete( child );
tx.commit();
s.close();
}
@Test
public void testSaveOrUpdateGot() {
clearCounts();
boolean instrumented = FieldInterceptionHelper.isInstrumented( new NumberedNode() );
Session s = openSession();
Transaction tx = s.beginTransaction();
NumberedNode root = new NumberedNode( "root" );
s.saveOrUpdate( root );
tx.commit();
s.close();
assertInsertCount( 1 );
assertUpdateCount( 0 );
clearCounts();
s = openSession();
tx = s.beginTransaction();
s.saveOrUpdate( root );
tx.commit();
s.close();
assertInsertCount( 0 );
assertUpdateCount( instrumented ? 0 : 1 );
s = openSession();
tx = s.beginTransaction();
root = ( NumberedNode ) s.get( NumberedNode.class, new Long( root.getId() ) );
Hibernate.initialize( root.getChildren() );
tx.commit();
s.close();
clearCounts();
s = openSession();
tx = s.beginTransaction();
NumberedNode child = new NumberedNode( "child" );
root.addChild( child );
s.saveOrUpdate( root );
assertTrue( s.contains( child ) );
tx.commit();
assertInsertCount( 1 );
assertUpdateCount( instrumented ? 0 : 1 );
tx = s.beginTransaction();
assertEquals(
s.createCriteria( NumberedNode.class )
.setProjection( Projections.rowCount() )
.uniqueResult(),
new Long( 2 )
);
s.delete( root );
s.delete( child );
tx.commit();
s.close();
}
@Test
public void testSaveOrUpdateGotWithMutableProp() {
clearCounts();
Session s = openSession();
Transaction tx = s.beginTransaction();
Node root = new Node( "root" );
s.saveOrUpdate( root );
tx.commit();
s.close();
assertInsertCount( 1 );
assertUpdateCount( 0 );
clearCounts();
s = openSession();
tx = s.beginTransaction();
s.saveOrUpdate( root );
tx.commit();
s.close();
assertInsertCount( 0 );
assertUpdateCount( 0 );
s = openSession();
tx = s.beginTransaction();
root = ( Node ) s.get( Node.class, "root" );
Hibernate.initialize( root.getChildren() );
tx.commit();
s.close();
clearCounts();
s = openSession();
tx = s.beginTransaction();
Node child = new Node( "child" );
root.addChild( child );
s.saveOrUpdate( root );
assertTrue( s.contains( child ) );
tx.commit();
assertInsertCount( 1 );
assertUpdateCount( 1 ); //note: will fail here if no second-level cache
tx = s.beginTransaction();
assertEquals(
s.createCriteria( Node.class )
.setProjection( Projections.rowCount() )
.uniqueResult(),
new Long( 2 )
);
s.delete( root );
s.delete( child );
tx.commit();
s.close();
}
@Test
public void testEvictThenSaveOrUpdate() {
Session s = openSession();
s.getTransaction().begin();
Node parent = new Node( "1:parent" );
Node child = new Node( "2:child" );
Node grandchild = new Node( "3:grandchild" );
parent.addChild( child );
child.addChild( grandchild );
s.saveOrUpdate( parent );
s.getTransaction().commit();
s.close();
Session s1 = openSession();
s1.getTransaction().begin();
child = ( Node ) s1.load( Node.class, "2:child" );
assertTrue( s1.contains( child ) );
assertFalse( Hibernate.isInitialized( child ) );
assertTrue( s1.contains( child.getParent() ) );
assertTrue( Hibernate.isInitialized( child ) );
assertFalse( Hibernate.isInitialized( child.getChildren() ) );
assertFalse( Hibernate.isInitialized( child.getParent() ) );
assertTrue( s1.contains( child ) );
s1.evict( child );
assertFalse( s1.contains( child ) );
assertTrue( s1.contains( child.getParent() ) );
Session s2 = openSession();
try {
s2.getTransaction().begin();
s2.saveOrUpdate( child );
fail();
}
catch ( HibernateException ex ) {
// expected because parent is connected to s1
}
finally {
s2.getTransaction().rollback();
}
s2.close();
s1.evict( child.getParent() );
assertFalse( s1.contains( child.getParent() ) );
s2 = openSession();
s2.getTransaction().begin();
s2.saveOrUpdate( child );
assertTrue( s2.contains( child ) );
assertFalse( s1.contains( child ) );
assertTrue( s2.contains( child.getParent() ) );
assertFalse( s1.contains( child.getParent() ) );
assertFalse( Hibernate.isInitialized( child.getChildren() ) );
assertFalse( Hibernate.isInitialized( child.getParent() ) );
assertEquals( 1, child.getChildren().size() );
assertEquals( "1:parent", child.getParent().getName() );
assertTrue( Hibernate.isInitialized( child.getChildren() ) );
assertFalse( Hibernate.isInitialized( child.getParent() ) );
assertNull( child.getParent().getDescription() );
assertTrue( Hibernate.isInitialized( child.getParent() ) );
s1.getTransaction().commit();
s2.getTransaction().commit();
s1.close();
s2.close();
s = openSession();
s.beginTransaction();
s.delete( s.get( Node.class, "3:grandchild" ) );
s.delete( s.get( Node.class, "2:child" ) );
s.delete( s.get( Node.class, "1:parent" ) );
s.getTransaction().commit();
s.close();
}
@Test
public void testSavePersistentEntityWithUpdate() {
clearCounts();
Session s = openSession();
Transaction tx = s.beginTransaction();
NumberedNode root = new NumberedNode( "root" );
root.setName( "a name" );
s.saveOrUpdate( root );
tx.commit();
s.close();
assertInsertCount( 1 );
assertUpdateCount( 0 );
clearCounts();
s = openSession();
tx = s.beginTransaction();
root = ( NumberedNode ) s.get( NumberedNode.class, root.getId() );
assertEquals( "a name", root.getName() );
root.setName( "a new name" );
s.save( root );
tx.commit();
s.close();
assertInsertCount( 0 );
assertUpdateCount( 1 );
clearCounts();
s = openSession();
tx = s.beginTransaction();
root = ( NumberedNode ) s.get( NumberedNode.class, root.getId() );
assertEquals( "a new name", root.getName() );
s.delete( root );
tx.commit();
s.close();
}
private void clearCounts() {
sessionFactory().getStatistics().clear();
}
private void assertInsertCount(int count) {
int inserts = ( int ) sessionFactory().getStatistics().getEntityInsertCount();
assertEquals( count, inserts );
}
private void assertUpdateCount(int count) {
int updates = ( int ) sessionFactory().getStatistics().getEntityUpdateCount();
assertEquals( count, updates );
}
}