//$Id: ReadOnlyTest.java 10976 2006-12-12 23:22:26Z steve.ebersole@jboss.com $
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();
}
}
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