Hibernate example source code file (TestLazyPropertyCustomTypeExecutable.java)

This example Hibernate source code file (TestLazyPropertyCustomTypeExecutable.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Hibernate tags/keywords

abstractexecutable, exception, exception, iterator, problematic, problematic, session, session, string, string, testlazypropertycustomtypeexecutable, util

The Hibernate TestLazyPropertyCustomTypeExecutable.java source code

package org.hibernate.test.instrument.cases;
import java.util.Iterator;
import junit.framework.Assert;
import org.hibernate.Session;
import org.hibernate.bytecode.instrumentation.internal.FieldInterceptionHelper;

import org.hibernate.test.instrument.domain.Problematic;

/**
 * {@inheritDoc}
 *
 * @author Steve Ebersole
 */
public class TestLazyPropertyCustomTypeExecutable extends AbstractExecutable {

	protected String[] getResources() {
		return new String[] { "org/hibernate/test/instrument/domain/Problematic.hbm.xml" };
	}

	public void execute() throws Exception {
		Session s = getFactory().openSession();
		Problematic p = new Problematic();
		try {
			s.beginTransaction();
			p.setName( "whatever" );
			p.setBytes( new byte[] { 1, 0, 1, 1, 0 } );
			s.save( p );
			s.getTransaction().commit();
		} catch (Exception e) {
			s.getTransaction().rollback();
			throw e;
		} finally {
			s.close();
		}

		// this access should be ok because p1 is not a lazy proxy 
		s = getFactory().openSession();
		try {
			s.beginTransaction();
			Problematic p1 = (Problematic) s.get( Problematic.class, p.getId() );
			Assert.assertTrue( FieldInterceptionHelper.isInstrumented( p1 ) );
			p1.getRepresentation();
			s.getTransaction().commit();
		} catch (Exception e) {
			s.getTransaction().rollback();
			throw e;
		} finally {
			s.close();
		}
		
		s = getFactory().openSession();
		try {
			s.beginTransaction();
			Problematic p1 = (Problematic) s.createQuery( "from Problematic" ).setReadOnly(true ).list().get( 0 );
			p1.getRepresentation();
			s.getTransaction().commit();
		} catch (Exception e) {
			s.getTransaction().rollback();
			throw e;
		} finally {
			s.close();
		}
		
		s = getFactory().openSession();
		try {
			s.beginTransaction();
			Problematic p1 = (Problematic) s.load( Problematic.class, p.getId() );
			Assert.assertFalse( FieldInterceptionHelper.isInstrumented( p1 ) );
			p1.setRepresentation( p.getRepresentation() );
			s.getTransaction().commit();
		} catch (Exception e) {
			s.getTransaction().rollback();
			throw e;
		} finally {
			s.close();
		}
	}

	protected void cleanup() {
		Session s = getFactory().openSession();
		s.beginTransaction();
		Iterator itr = s.createQuery( "from Problematic" ).list().iterator();
		while ( itr.hasNext() ) {
			Problematic p = (Problematic) itr.next();
			s.delete( p );
		}
		s.getTransaction().commit();
		s.close();
	}
}