backrefcompositemapkeytest.java

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/*
 * Copyright (c) 2007, Red Hat Middleware, LLC. All rights reserved.
 *
 * 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, v. 2.1. This program is distributed in the
 * hope that it will be useful, but WITHOUT A 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, v.2.1 along with this
 * distribution; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * Red Hat Author(s): Steve Ebersole
 */
package org.hibernate.test.collection.backref.map.compkey;

import junit.framework.Test;

import org.hibernate.junit.functional.FunctionalTestCase;
import org.hibernate.junit.functional.FunctionalTestClassTestSuite;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.LockMode;
import org.hibernate.Hibernate;
import org.hibernate.util.SerializationHelper;

/**
 * BackrefCompositeMapKeyTest implementation.  Test access to a composite map-key
 * backref via a number of different access methods.
 *
 * @author Steve Ebersole
 */
public class BackrefCompositeMapKeyTest extends FunctionalTestCase {
	public BackrefCompositeMapKeyTest(String string) {
		super( string );
	}

	public String[] getMappings() {
		return new String[] { "collection/backref/map/compkey/Mappings.hbm.xml" };
	}

	public static Test suite() {
		return new FunctionalTestClassTestSuite( BackrefCompositeMapKeyTest.class );
	}

	public void testOrphanDeleteOnDelete() {
		Session session = openSession();
		Transaction t = session.beginTransaction();
		Product prod = new Product( "Widget" );
		Part part = new Part( "Widge", "part if a Widget" );
		MapKey mapKey = new MapKey( "Top" );
		prod.getParts().put( mapKey, part );
		Part part2 = new Part( "Get", "another part if a Widget" );
		prod.getParts().put( new MapKey( "Bottom" ), part2 );
		session.persist( prod );
		session.flush();

		prod.getParts().remove( mapKey );

		session.delete( prod );

		t.commit();
		session.close();

		session = openSession();
		t = session.beginTransaction();
		assertNull( "Orphan 'Widge' was not deleted", session.get(Part.class, "Widge") );
		assertNull( "Orphan 'Get' was not deleted", session.get(Part.class, "Get") );
		assertNull( "Orphan 'Widget' was not deleted", session.get(Product.class, "Widget") );
		t.commit();
		session.close();
	}

	public void testOrphanDeleteAfterPersist() {
		Session session = openSession();
		Transaction t = session.beginTransaction();
		Product prod = new Product( "Widget" );
		Part part = new Part( "Widge", "part if a Widget" );
		MapKey mapKey = new MapKey( "Top" );
		prod.getParts().put( mapKey, part );
		Part part2 = new Part( "Get", "another part if a Widget" );
		prod.getParts().put( new MapKey( "Bottom" ), part2 );
		session.persist( prod );

		prod.getParts().remove( mapKey );

		t.commit();
		session.close();

		session = openSession();
		t = session.beginTransaction();
		session.delete( session.get(Product.class, "Widget") );
		t.commit();
		session.close();
	}

	public void testOrphanDeleteAfterPersistAndFlush() {
		Session session = openSession();
		Transaction t = session.beginTransaction();
		Product prod = new Product( "Widget" );
		Part part = new Part( "Widge", "part if a Widget" );
		MapKey mapKey = new MapKey( "Top" );
		prod.getParts().put( mapKey, part );
		Part part2 = new Part( "Get", "another part if a Widget" );
		prod.getParts().put( new MapKey( "Bottom" ), part2 );
		session.persist( prod );
		session.flush();

		prod.getParts().remove( mapKey );

		t.commit();
		session.close();

		session = openSession();
		t = session.beginTransaction();
		assertNull( session.get(Part.class, "Widge") );
		assertNotNull( session.get(Part.class, "Get") );
		session.delete( session.get(Product.class, "Widget") );
		t.commit();
		session.close();
	}

	public void testOrphanDeleteAfterLock() {
		Session session = openSession();
		Transaction t = session.beginTransaction();
		Product prod = new Product( "Widget" );
		Part part = new Part( "Widge", "part if a Widget" );
		MapKey mapKey = new MapKey( "Top" );
		prod.getParts().put( mapKey, part );
		Part part2 = new Part( "Get", "another part if a Widget" );
		prod.getParts().put( new MapKey( "Bottom" ),part2 );
		session.persist( prod );
		t.commit();
		session.close();


		session = openSession();
		t = session.beginTransaction();
		session.lock(prod, LockMode.READ);
		prod.getParts().remove(mapKey);
		t.commit();
		session.close();

		session = openSession();
		t = session.beginTransaction();
		assertNull( session.get(Part.class, "Widge") );
		assertNotNull( session.get(Part.class, "Get") );
		session.delete( session.get(Product.class, "Widget") );
		t.commit();
		session.close();
	}

	public void testOrphanDeleteOnSaveOrUpdate() {
		Session session = openSession();
		Transaction t = session.beginTransaction();
		Product prod = new Product( "Widget" );
		Part part = new Part( "Widge", "part if a Widget" );
		MapKey mapKey = new MapKey( "Top" );
		prod.getParts().put( mapKey, part );
		Part part2 = new Part( "Get", "another part if a Widget" );
		prod.getParts().put( new MapKey( "Bottom" ), part2 );
		session.persist( prod );
		t.commit();
		session.close();

		prod.getParts().remove( mapKey );

		session = openSession();
		t = session.beginTransaction();
		session.saveOrUpdate(prod);
		t.commit();
		session.close();

		session = openSession();
		t = session.beginTransaction();
		assertNull( session.get(Part.class, "Widge") );
		assertNotNull( session.get(Part.class, "Get") );
		session.delete( session.get(Product.class, "Widget") );
		t.commit();
		session.close();
	}

	public void testOrphanDeleteOnSaveOrUpdateAfterSerialization() {
		Session session = openSession();
		Transaction t = session.beginTransaction();
		Product prod = new Product( "Widget" );
		Part part = new Part( "Widge", "part if a Widget" );
		MapKey mapKey = new MapKey( "Top" );
		prod.getParts().put( mapKey, part );
		Part part2 = new Part( "Get", "another part if a Widget" );
		prod.getParts().put( new MapKey( "Bottom" ), part2 );
		session.persist( prod );
		t.commit();
		session.close();

		prod.getParts().remove( mapKey );

		prod = (Product) SerializationHelper.clone( prod );

		session = openSession();
		t = session.beginTransaction();
		session.saveOrUpdate(prod);
		t.commit();
		session.close();

		session = openSession();
		t = session.beginTransaction();
		assertNull( session.get(Part.class, "Widge") );
		assertNotNull( session.get(Part.class, "Get") );
		session.delete( session.get(Product.class, "Widget") );
		t.commit();
		session.close();
	}

	public void testOrphanDelete() {
		Session session = openSession();
		Transaction t = session.beginTransaction();
		Product prod = new Product( "Widget" );
		Part part = new Part( "Widge", "part if a Widget" );
		MapKey mapKey = new MapKey( "Top" );
		prod.getParts().put( mapKey, part );
		Part part2 = new Part( "Get", "another part if a Widget" );
		prod.getParts().put( new MapKey( "Bottom" ), part2 );
		session.persist( prod );
		t.commit();
		session.close();

		getSessions().evict(Product.class);
		getSessions().evict(Part.class);

		session = openSession();
		t = session.beginTransaction();
		prod = (Product) session.get(Product.class, "Widget");
		assertTrue( Hibernate.isInitialized( prod.getParts() ) );
		part = (Part) session.get(Part.class, "Widge");
		prod.getParts().remove(mapKey);
		t.commit();
		session.close();

		getSessions().evict(Product.class);
		getSessions().evict(Part.class);

		session = openSession();
		t = session.beginTransaction();
		prod = (Product) session.get(Product.class, "Widget");
		assertTrue( Hibernate.isInitialized( prod.getParts() ) );
		assertNull( prod.getParts().get(new MapKey("Top")));
		assertNotNull( session.get(Part.class, "Get") );
		session.delete( session.get(Product.class, "Widget") );
		t.commit();
		session.close();
	}

	public void testOrphanDeleteOnMerge() {
		Session session = openSession();
		Transaction t = session.beginTransaction();
		Product prod = new Product( "Widget" );
		Part part = new Part( "Widge", "part if a Widget" );
		MapKey mapKey = new MapKey( "Top" );
		prod.getParts().put( mapKey, part );
		Part part2 = new Part( "Get", "another part if a Widget" );
		prod.getParts().put( new MapKey("Bottom"), part2 );
		session.persist( prod );
		t.commit();
		session.close();

		prod.getParts().remove( mapKey );

		session = openSession();
		t = session.beginTransaction();
		session.merge(prod);
		t.commit();
		session.close();

		session = openSession();
		t = session.beginTransaction();
		assertNull( session.get(Part.class, "Widge") );
		assertNotNull( session.get(Part.class, "Get") );
		session.delete( session.get(Product.class, "Widget") );
		t.commit();
		session.close();
	}
}