/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.test.orphan;
import org.junit.Test;
import org.hibernate.Hibernate;
import org.hibernate.LockMode;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.internal.util.SerializationHelper;
import org.hibernate.testing.FailureExpected;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
/**
* @author Gavin King
*/
public class OrphanTest extends BaseCoreFunctionalTestCase {
public String[] getMappings() {
return new String[] { "orphan/Product.hbm.xml" };
}
@Test
@SuppressWarnings( {"unchecked"})
public void testOrphanDeleteOnDelete() {
Session session = openSession();
Transaction t = session.beginTransaction();
Product prod = new Product();
prod.setName("Widget");
Part part = new Part();
part.setName("Widge");
part.setDescription("part if a Widget");
prod.getParts().add(part);
Part part2 = new Part();
part2.setName("Get");
part2.setDescription("another part if a Widget");
prod.getParts().add(part2);
session.persist(prod);
session.flush();
prod.getParts().remove(part);
session.delete(prod);
t.commit();
session.close();
session = openSession();
t = session.beginTransaction();
assertNull( session.get(Part.class, "Widge") );
assertNull( session.get(Part.class, "Get") );
assertNull( session.get(Product.class, "Widget") );
t.commit();
session.close();
}
@Test
@SuppressWarnings( {"unchecked"})
public void testOrphanDeleteAfterPersist() {
Session session = openSession();
Transaction t = session.beginTransaction();
Product prod = new Product();
prod.setName("Widget");
Part part = new Part();
part.setName("Widge");
part.setDescription("part if a Widget");
prod.getParts().add(part);
Part part2 = new Part();
part2.setName("Get");
part2.setDescription("another part if a Widget");
prod.getParts().add(part2);
session.persist(prod);
prod.getParts().remove(part);
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();
}
@Test
@SuppressWarnings( {"unchecked"})
public void testOrphanDeleteAfterPersistAndFlush() {
Session session = openSession();
Transaction t = session.beginTransaction();
Product prod = new Product();
prod.setName("Widget");
Part part = new Part();
part.setName("Widge");
part.setDescription("part if a Widget");
prod.getParts().add(part);
Part part2 = new Part();
part2.setName("Get");
part2.setDescription("another part if a Widget");
prod.getParts().add(part2);
session.persist(prod);
session.flush();
prod.getParts().remove(part);
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();
}
@Test
@SuppressWarnings( {"unchecked"})
public void testOrphanDeleteAfterLock() {
Session session = openSession();
Transaction t = session.beginTransaction();
Product prod = new Product();
prod.setName("Widget");
Part part = new Part();
part.setName("Widge");
part.setDescription("part if a Widget");
prod.getParts().add(part);
Part part2 = new Part();
part2.setName("Get");
part2.setDescription("another part if a Widget");
prod.getParts().add(part2);
session.persist(prod);
t.commit();
session.close();
session = openSession();
t = session.beginTransaction();
session.lock( prod, LockMode.READ );
prod.getParts().remove(part);
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();
}
@Test
@SuppressWarnings( {"unchecked"})
public void testOrphanDeleteOnSaveOrUpdate() {
Session session = openSession();
Transaction t = session.beginTransaction();
Product prod = new Product();
prod.setName("Widget");
Part part = new Part();
part.setName("Widge");
part.setDescription("part if a Widget");
prod.getParts().add(part);
Part part2 = new Part();
part2.setName("Get");
part2.setDescription("another part if a Widget");
prod.getParts().add(part2);
session.persist(prod);
t.commit();
session.close();
prod.getParts().remove(part);
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();
}
@Test
@SuppressWarnings( {"unchecked"})
public void testOrphanDeleteOnSaveOrUpdateAfterSerialization() {
Session session = openSession();
Transaction t = session.beginTransaction();
Product prod = new Product();
prod.setName("Widget");
Part part = new Part();
part.setName("Widge");
part.setDescription("part if a Widget");
prod.getParts().add(part);
Part part2 = new Part();
part2.setName("Get");
part2.setDescription("another part if a Widget");
prod.getParts().add(part2);
session.persist(prod);
t.commit();
session.close();
prod.getParts().remove(part);
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();
}
@Test
@SuppressWarnings( {"unchecked"})
public void testOrphanDelete() {
Session session = openSession();
Transaction t = session.beginTransaction();
Product prod = new Product();
prod.setName("Widget");
Part part = new Part();
part.setName("Widge");
part.setDescription("part if a Widget");
prod.getParts().add(part);
Part part2 = new Part();
part2.setName("Get");
part2.setDescription("another part if a Widget");
prod.getParts().add(part2);
session.persist(prod);
t.commit();
session.close();
sessionFactory().getCache().evictEntityRegion( Product.class );
sessionFactory().getCache().evictEntityRegion( 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(part);
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();
}
@Test
@SuppressWarnings( {"unchecked"})
public void testOrphanDeleteOnMerge() {
Session session = openSession();
Transaction t = session.beginTransaction();
Product prod = new Product();
prod.setName("Widget");
Part part = new Part();
part.setName("Widge");
part.setDescription("part if a Widget");
prod.getParts().add(part);
Part part2 = new Part();
part2.setName("Get");
part2.setDescription("another part if a Widget");
prod.getParts().add(part2);
session.persist(prod);
t.commit();
session.close();
prod.getParts().remove(part);
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();
}
@Test
@SuppressWarnings( {"unchecked"})
public void testOrphanDeleteOnMergeRemoveElementMerge() {
Session session = openSession();
Transaction t = session.beginTransaction();
Product prod = new Product();
prod.setName( "Widget" );
Part part = new Part();
part.setName("Widge");
part.setDescription("part if a Widget");
prod.getParts().add(part);
session.persist(prod);
t.commit();
session.close();
session = openSession();
t = session.beginTransaction();
session.merge(prod);
prod.getParts().remove( part );
session.merge( prod );
t.commit();
session.close();
session = openSession();
t = session.beginTransaction();
assertNull( session.get( Part.class, "Widge" ) );
session.delete( session.get(Product.class, "Widget") );
t.commit();
session.close();
}
@Test
@SuppressWarnings( {"unchecked"})
@TestForIssue(jiraKey = "HHH-9171")
public void testOrphanDeleteOnAddElementMergeRemoveElementMerge() {
Session session = openSession();
Transaction t = session.beginTransaction();
Product prod = new Product();
prod.setName( "Widget" );
session.persist(prod);
t.commit();
session.close();
Part part = new Part();
part.setName("Widge");
part.setDescription("part if a Widget");
prod.getParts().add(part);
session = openSession();
t = session.beginTransaction();
session.merge(prod);
// In Section 2.9, Entity Relationships, the JPA 2.1 spec says:
// "If the entity being orphaned is a detached, new, or removed entity,
// the semantics of orphanRemoval do not apply."
// In other words, since part is a new entity, it will not be deleted when removed
// from prod.parts, even though cascade for the association includes "delete-orphan".
prod.getParts().remove(part);
session.merge( prod );
t.commit();
session.close();
session = openSession();
t = session.beginTransaction();
assertNotNull( session.get( Part.class, "Widge" ) );
session.delete( session.get(Product.class, "Widget") );
t.commit();
session.close();
}
}