/*
* 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.deletetransient;
import org.junit.Test;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import static org.junit.Assert.assertEquals;
/**
* @author Steve Ebersole
*/
public class DeleteTransientEntityTest extends BaseCoreFunctionalTestCase {
public String[] getMappings() {
return new String[] { "deletetransient/Person.hbm.xml" };
}
@Override
protected boolean isCleanupTestDataRequired() {
return true;
}
@Test
public void testTransientEntityDeletionNoCascades() {
Session s = openSession();
Transaction t = s.beginTransaction();
s.delete( new Address() );
t.commit();
s.close();
}
@Test
@SuppressWarnings( {"unchecked"})
public void testTransientEntityDeletionCascadingToTransientAssociation() {
Session s = openSession();
Transaction t = s.beginTransaction();
Person p = new Person();
p.getAddresses().add( new Address() );
s.delete( p );
t.commit();
s.close();
}
@Test
@SuppressWarnings( {"unchecked"})
public void testTransientEntityDeleteCascadingToCircularity() {
Session s = openSession();
Transaction t = s.beginTransaction();
Person p1 = new Person();
Person p2 = new Person();
p1.getFriends().add( p2 );
p2.getFriends().add( p1 );
s.delete( p1 );
t.commit();
s.close();
}
@Test
@SuppressWarnings( {"unchecked"})
public void testTransientEntityDeletionCascadingToDetachedAssociation() {
Session s = openSession();
Transaction t = s.beginTransaction();
Address address = new Address();
address.setInfo( "123 Main St." );
s.save( address );
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
Person p = new Person();
p.getAddresses().add( address );
s.delete( p );
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
Long count = ( Long ) s.createQuery( "select count(*) from Address" ).list().get( 0 );
assertEquals( "delete not cascaded properly across transient entity", 0, count.longValue() );
t.commit();
s.close();
}
@Test
@SuppressWarnings( {"unchecked"})
public void testTransientEntityDeletionCascadingToPersistentAssociation() {
Session s = openSession();
Transaction t = s.beginTransaction();
Address address = new Address();
address.setInfo( "123 Main St." );
s.save( address );
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
address = ( Address ) s.get( Address.class, address.getId() );
Person p = new Person();
p.getAddresses().add( address );
s.delete( p );
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
Long count = ( Long ) s.createQuery( "select count(*) from Address" ).list().get( 0 );
assertEquals( "delete not cascaded properly across transient entity", 0, count.longValue() );
t.commit();
s.close();
}
@Test
@SuppressWarnings( {"unchecked"})
public void testCascadeAllFromClearedPersistentAssnToTransientEntity() {
Session s = openSession();
Transaction t = s.beginTransaction();
Person p = new Person();
Address address = new Address();
address.setInfo( "123 Main St." );
p.getAddresses().add( address );
s.save( p );
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
Suite suite = new Suite();
address.getSuites().add( suite );
p.getAddresses().clear();
s.saveOrUpdate( p );
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
p = ( Person ) s.get( p.getClass(), p.getId() );
assertEquals( "persistent collection not cleared", 0, p.getAddresses().size() );
Long count = ( Long ) s.createQuery( "select count(*) from Address" ).list().get( 0 );
assertEquals( 1, count.longValue() );
count = ( Long ) s.createQuery( "select count(*) from Suite" ).list().get( 0 );
assertEquals( 0, count.longValue() );
s.delete( p );
t.commit();
s.close();
}
@Test
@SuppressWarnings( {"unchecked"})
public void testCascadeAllDeleteOrphanFromClearedPersistentAssnToTransientEntity() {
Session s = openSession();
Transaction t = s.beginTransaction();
Address address = new Address();
address.setInfo( "123 Main St." );
Suite suite = new Suite();
address.getSuites().add( suite );
s.save( address );
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
Note note = new Note();
note.setDescription( "a description" );
suite.getNotes().add( note );
address.getSuites().clear();
s.saveOrUpdate( address );
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
Long count = ( Long ) s.createQuery( "select count(*) from Suite" ).list().get( 0 );
assertEquals( "all-delete-orphan not cascaded properly to cleared persistent collection entities", 0, count.longValue() );
count = ( Long ) s.createQuery( "select count(*) from Note" ).list().get( 0 );
assertEquals( 0, count.longValue() );
s.delete( address );
t.commit();
s.close();
}
}