//$Id: ReadOnlyTest.java 16514 2009-05-06 01:57:32Z gbadner $
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC 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 Middleware LLC.
*
* 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.readonly;
import java.math.BigDecimal;
import java.util.List;
import junit.framework.Test;
import org.hibernate.CacheMode;
import org.hibernate.Hibernate;
import org.hibernate.ScrollMode;
import org.hibernate.ScrollableResults;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;
import org.hibernate.cfg.Environment;
import org.hibernate.junit.functional.FunctionalTestCase;
import org.hibernate.junit.functional.FunctionalTestClassTestSuite;
/**
*
* @author Gavin King
*/
public class ReadOnlyTest extends FunctionalTestCase {
public ReadOnlyTest(String str) {
super(str);
}
public String[] getMappings() {
return new String[] { "readonly/DataPoint.hbm.xml" };
}
public void configure(Configuration cfg) {
cfg.setProperty(Environment.STATEMENT_BATCH_SIZE, "20");
}
public String getCacheConcurrencyStrategy() {
return null;
}
public static Test suite() {
return new FunctionalTestClassTestSuite( ReadOnlyTest.class );
}
public void testReadOnlyOnProxiesFailureExpected() {
Session s = openSession();
s.setCacheMode( CacheMode.IGNORE );
s.beginTransaction();
DataPoint dp = new DataPoint();
dp.setX( new BigDecimal( 0.1d ).setScale(19, BigDecimal.ROUND_DOWN) );
dp.setY( new BigDecimal( Math.cos( dp.getX().doubleValue() ) ).setScale(19, BigDecimal.ROUND_DOWN) );
dp.setDescription( "original" );
s.save( dp );
long dpId = dp.getId();
s.getTransaction().commit();
s.close();
s = openSession();
s.setCacheMode(CacheMode.IGNORE);
dp = ( DataPoint ) s.load( DataPoint.class, new Long( dpId ) );
assertFalse( "was initialized", Hibernate.isInitialized( dp ) );
s.setReadOnly( dp, true );
assertFalse( "was initialized during setReadOnly", Hibernate.isInitialized( dp ) );
dp.setDescription( "changed" );
assertTrue( "was not initialized during mod", Hibernate.isInitialized( dp ) );
assertEquals( "desc not changed in memory", "changed", dp.getDescription() );
s.flush();
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
List list = s.createQuery( "from DataPoint where description = 'changed'" ).list();
assertEquals( "change written to database", 0, list.size() );
s.createQuery("delete from DataPoint").executeUpdate();
s.getTransaction().commit();
s.close();
}
public void testReadOnlyMode() {
Session s = openSession();
s.setCacheMode(CacheMode.IGNORE);
Transaction t = s.beginTransaction();
for ( int i=0; i<100; i++ ) {
DataPoint dp = new DataPoint();
dp.setX( new BigDecimal(i * 0.1d).setScale(19, BigDecimal.ROUND_DOWN) );
dp.setY( new BigDecimal( Math.cos( dp.getX().doubleValue() ) ).setScale(19, BigDecimal.ROUND_DOWN) );
s.save(dp);
}
t.commit();
s.close();
s = openSession();
s.setCacheMode(CacheMode.IGNORE);
t = s.beginTransaction();
int i = 0;
ScrollableResults sr = s.createQuery("from DataPoint dp order by dp.x asc")
.setReadOnly(true)
.scroll(ScrollMode.FORWARD_ONLY);
while ( sr.next() ) {
DataPoint dp = (DataPoint) sr.get(0);
if (++i==50) {
s.setReadOnly(dp, false);
}
dp.setDescription("done!");
}
t.commit();
s.clear();
t = s.beginTransaction();
List single = s.createQuery("from DataPoint where description='done!'").list();
assertEquals( single.size(), 1 );
s.createQuery("delete from DataPoint").executeUpdate();
t.commit();
s.close();
}
public void testMergeWithReadOnlyEntity() {
Session s = openSession();
s.setCacheMode(CacheMode.IGNORE);
Transaction t = s.beginTransaction();
DataPoint dp = new DataPoint();
dp.setX( new BigDecimal(0.1d).setScale(19, BigDecimal.ROUND_DOWN) );
dp.setY( new BigDecimal( Math.cos( dp.getX().doubleValue() ) ).setScale(19, BigDecimal.ROUND_DOWN) );
s.save(dp);
t.commit();
s.close();
dp.setDescription( "description" );
s = openSession();
s.setCacheMode(CacheMode.IGNORE);
t = s.beginTransaction();
DataPoint dpManaged = ( DataPoint ) s.get( DataPoint.class, new Long( dp.getId() ) );
s.setReadOnly( dpManaged, true );
DataPoint dpMerged = ( DataPoint ) s.merge( dp );
assertSame( dpManaged, dpMerged );
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
dpManaged = ( DataPoint ) s.get( DataPoint.class, new Long( dp.getId() ) );
assertNull( dpManaged.getDescription() );
s.delete( dpManaged );
t.commit();
s.close();
}
}