package org.hibernate.test.instrument.cases;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.Hibernate;
import org.hibernate.test.instrument.domain.Entity;
import junit.framework.Assert;
/**
*
* @author Steve Ebersole
*/
public class TestManyToOneProxyExecutable extends AbstractExecutable {
public void execute() {
Session s = getFactory().openSession();
Transaction t = s.beginTransaction();
Entity root = new Entity( "root" );
Entity child1 = new Entity( "child1" );
Entity child2 = new Entity( "child2" );
root.setChild( child1 );
child1.setSibling( child2 );
Entity gChild1 = new Entity( "grandchild 1" );
Entity gChild2 = new Entity( "grandchild 2" );
child1.setChild( gChild1 );
gChild1.setSibling( gChild2 );
s.save( root );
t.commit();
s.close();
// NOTE : child is mapped with lazy="proxy"; sibling with lazy="no-proxy"...
s = getFactory().openSession();
t = s.beginTransaction();
// load root
root = ( Entity ) s.get( Entity.class, root.getId() );
Assert.assertFalse( Hibernate.isPropertyInitialized( root, "name" ) );
Assert.assertFalse( Hibernate.isPropertyInitialized( root, "sibling" ) );
Assert.assertTrue( Hibernate.isPropertyInitialized( root, "child" ) );
// get a handle to the child1 proxy reference (and make certain that
// this does not force the lazy properties of the root entity
// to get initialized.
child1 = root.getChild();
Assert.assertFalse( Hibernate.isInitialized( child1 ) );
Assert.assertFalse( Hibernate.isPropertyInitialized( root, "name" ) );
Assert.assertFalse( Hibernate.isPropertyInitialized( root, "sibling" ) );
Assert.assertFalse( Hibernate.isPropertyInitialized( child1, "name" ) );
Assert.assertFalse( Hibernate.isPropertyInitialized( child1, "sibling" ) );
Assert.assertFalse( Hibernate.isPropertyInitialized( child1, "child" ) );
child1.getName();
Assert.assertFalse( Hibernate.isPropertyInitialized( root, "name" ) );
Assert.assertFalse( Hibernate.isPropertyInitialized( root, "sibling" ) );
Assert.assertTrue( Hibernate.isPropertyInitialized( child1, "name" ) );
Assert.assertTrue( Hibernate.isPropertyInitialized( child1, "sibling" ) );
Assert.assertTrue( Hibernate.isPropertyInitialized( child1, "child" ) );
gChild1 = child1.getChild();
Assert.assertFalse( Hibernate.isInitialized( gChild1 ) );
Assert.assertFalse( Hibernate.isPropertyInitialized( root, "name" ) );
Assert.assertFalse( Hibernate.isPropertyInitialized( root, "sibling" ) );
s.delete( root );
t.commit();
s.close();
}
}