Hibernate example source code file (TestSharedPKOneToOneExecutable.java)

This example Hibernate source code file (TestSharedPKOneToOneExecutable.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, entitywithonetoones, entitywithonetoones, onetoonenoproxy, onetoonenoproxy, onetooneproxy, onetooneproxy, session, string, string, testsharedpkonetooneexecutable, transaction

The Hibernate TestSharedPKOneToOneExecutable.java source code

package org.hibernate.test.instrument.cases;
import junit.framework.Assert;
import org.hibernate.Hibernate;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.test.instrument.domain.EntityWithOneToOnes;
import org.hibernate.test.instrument.domain.OneToOneNoProxy;
import org.hibernate.test.instrument.domain.OneToOneProxy;

/**
 *
 * @author Gail Badner
 */
public class TestSharedPKOneToOneExecutable extends AbstractExecutable {

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

	public void execute() {
		Session s = getFactory().openSession();
		Transaction t = s.beginTransaction();
		EntityWithOneToOnes root = new EntityWithOneToOnes( "root" );
		OneToOneProxy oneToOneProxy = new OneToOneProxy( "oneToOneProxy" );
		root.setOneToOneProxy( oneToOneProxy );
		oneToOneProxy.setEntity( root );
		OneToOneNoProxy oneToOneNoProxy = new OneToOneNoProxy( "oneToOneNoProxy" );
		root.setOneToOneNoProxy( oneToOneNoProxy );
		oneToOneNoProxy.setEntity( root );

		s.save( root );
		t.commit();
		s.close();

		// NOTE : oneToOneProxy is mapped with lazy="proxy"; oneToOneNoProxy with lazy="no-proxy"...

		s = getFactory().openSession();
		t = s.beginTransaction();
		// load root
		root = ( EntityWithOneToOnes ) s.load( EntityWithOneToOnes.class, root.getId() );
		Assert.assertFalse( Hibernate.isInitialized( root ) );
		Assert.assertFalse( Hibernate.isPropertyInitialized( root, "name" ) );
		Assert.assertFalse( Hibernate.isPropertyInitialized( root, "oneToOneProxy" ) );
		Assert.assertFalse( Hibernate.isPropertyInitialized( root, "oneToOneNoProxy" ) );

		root.getName();
		Assert.assertTrue( Hibernate.isInitialized( root ) );
		Assert.assertTrue( Hibernate.isPropertyInitialized( root, "name" ) );
		Assert.assertTrue( Hibernate.isPropertyInitialized( root, "oneToOneProxy" ) );
		Assert.assertFalse( Hibernate.isPropertyInitialized( root, "oneToOneNoProxy" ) );

		// get a handle to the oneToOneProxy proxy reference (and make certain that
		// this does not force the lazy properties of the root entity
		// to get initialized.
		root.getOneToOneProxy();
		Assert.assertTrue( Hibernate.isInitialized( oneToOneProxy ) );
		Assert.assertTrue( Hibernate.isPropertyInitialized( root.getOneToOneProxy(), "name" ) );
		Assert.assertFalse( Hibernate.isPropertyInitialized( root, "oneToOneNoProxy" ) );

		root.getOneToOneNoProxy();
		Assert.assertTrue( Hibernate.isPropertyInitialized( root, "oneToOneNoProxy" ) );
		Assert.assertTrue( Hibernate.isPropertyInitialized( root.getOneToOneNoProxy(), "name") );

		s.delete( root );
		t.commit();
		s.close();
	}
}