/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2011, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* 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, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY 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
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.test.join;
import java.util.List;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.junit.Test;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
/**
* @author Chris Jones and Gail Badner
*/
public class OptionalJoinTest extends BaseCoreFunctionalTestCase {
@Override
public String[] getMappings() {
return new String[] { "join/Thing.hbm.xml" };
}
@Test
public void testUpdateNonNullOptionalJoinToDiffNonNull() throws Exception {
Session s = openSession();
Transaction t = s.beginTransaction();
// create a new thing with a non-null name
Thing thing = new Thing();
thing.setName("one");
s.save(thing);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
List things = s.createQuery("from Thing").list();
assertEquals(1, things.size());
thing = (Thing)things.get(0);
assertEquals("one", thing.getName());
// give it a new non-null name and save it
thing.setName("one_changed");
s.update(thing);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
things = s.createQuery("from Thing").list();
assertEquals(1, things.size());
thing = (Thing)things.get(0);
assertEquals("one_changed", thing.getName());
s.delete(thing);
t.commit();
s.close();
}
@Test
public void testUpdateNonNullOptionalJoinToDiffNonNullDetached() throws Exception {
Session s = openSession();
Transaction t = s.beginTransaction();
// create a new thing with a non-null name
Thing thing = new Thing();
thing.setName("one");
s.save(thing);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
List things = s.createQuery("from Thing").list();
assertEquals(1, things.size());
thing = (Thing)things.get(0);
assertEquals("one", thing.getName());
t.commit();
s.close();
// change detached thing name to a new non-null name and save it
thing.setName("one_changed");
s = openSession();
t = s.beginTransaction();
s.update(thing);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
things = s.createQuery("from Thing").list();
assertEquals(1, things.size());
thing = (Thing)things.get(0);
assertEquals("one_changed", thing.getName());
s.delete(thing);
t.commit();
s.close();
}
@Test
public void testMergeNonNullOptionalJoinToDiffNonNullDetached() throws Exception {
Session s = openSession();
Transaction t = s.beginTransaction();
// create a new thing with a non-null name
Thing thing = new Thing();
thing.setName("one");
s.save(thing);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
List things = s.createQuery("from Thing").list();
assertEquals(1, things.size());
thing = (Thing)things.get(0);
assertEquals("one", thing.getName());
t.commit();
s.close();
// change detached thing name to a new non-null name and save it
thing.setName("one_changed");
s = openSession();
t = s.beginTransaction();
s.merge(thing);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
things = s.createQuery("from Thing").list();
assertEquals(1, things.size());
thing = (Thing)things.get(0);
assertEquals("one_changed", thing.getName());
s.delete(thing);
t.commit();
s.close();
}
@Test
public void testUpdateNonNullOptionalJoinToNull() throws Exception {
Session s = openSession();
Transaction t = s.beginTransaction();
// create a new thing with a non-null name
Thing thing = new Thing();
thing.setName("one");
s.save(thing);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
List things = s.createQuery("from Thing").list();
assertEquals(1, things.size());
thing = (Thing)things.get(0);
assertEquals("one", thing.getName());
// give it a null name and save it
thing.setName(null);
s.update(thing);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
things = s.createQuery("from Thing").list();
assertEquals(1, things.size());
thing = (Thing)things.get(0);
assertNull(thing.getName());
s.delete(thing);
t.commit();
s.close();
}
@Test
public void testUpdateNonNullOptionalJoinToNullDetached() throws Exception {
Session s = openSession();
Transaction t = s.beginTransaction();
// create a new thing with a non-null name
Thing thing = new Thing();
thing.setName("one");
s.save(thing);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
List things = s.createQuery("from Thing").list();
assertEquals(1, things.size());
thing = (Thing)things.get(0);
assertEquals("one", thing.getName());
t.commit();
s.close();
// give detached thing a null name and save it
thing.setName(null);
s = openSession();
t = s.beginTransaction();
s.update(thing);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
things = s.createQuery("from Thing").list();
assertEquals(1, things.size());
thing = (Thing)things.get(0);
assertNull(thing.getName());
s.delete(thing);
t.commit();
s.close();
}
@Test
public void testMergeNonNullOptionalJoinToNullDetached() throws Exception {
Session s = openSession();
Transaction t = s.beginTransaction();
// create a new thing with a non-null name
Thing thing = new Thing();
thing.setName("one");
s.save(thing);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
List things = s.createQuery("from Thing").list();
assertEquals(1, things.size());
thing = (Thing)things.get(0);
assertEquals("one", thing.getName());
t.commit();
s.close();
// give detached thing a null name and save it
thing.setName(null);
s = openSession();
t = s.beginTransaction();
s.merge(thing);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
things = s.createQuery("from Thing").list();
assertEquals(1, things.size());
thing = (Thing)things.get(0);
assertNull(thing.getName());
s.delete(thing);
t.commit();
s.close();
}
@Test
public void testUpdateNullOptionalJoinToNonNull() throws Exception {
Session s = openSession();
Transaction t = s.beginTransaction();
// create a new thing with a null name
Thing thing = new Thing();
thing.setName(null);
s.save(thing);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
List things = s.createQuery("from Thing").list();
assertEquals(1, things.size());
thing = (Thing)things.get(0);
assertNull(thing.getName());
// change name to a non-null value
thing.setName("two");
s.update(thing);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
things = s.createQuery("from Thing").list();
assertEquals(1, things.size());
thing = ((Thing) things.get(0));
assertEquals("two", thing.getName());
s.delete(thing);
t.commit();
s.close();
}
@Test
public void testUpdateNullOptionalJoinToNonNullDetached() throws Exception {
Session s = openSession();
Transaction t = s.beginTransaction();
// create a new thing with a null name
Thing thing = new Thing();
thing.setName(null);
s.save(thing);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
List things = s.createQuery("from Thing").list();
assertEquals(1, things.size());
thing = (Thing)things.get(0);
assertNull(thing.getName());
t.commit();
s.close();
// change detached thing name to a non-null value
thing.setName("two");
s = openSession();
t = s.beginTransaction();
s.update(thing);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
things = s.createQuery("from Thing").list();
assertEquals(1, things.size());
thing = ((Thing) things.get(0));
assertEquals("two", thing.getName());
s.delete(thing);
t.commit();
s.close();
}
@Test
public void testMergeNullOptionalJoinToNonNullDetached() throws Exception {
Session s = openSession();
Transaction t = s.beginTransaction();
// create a new thing with a null name
Thing thing = new Thing();
thing.setName(null);
s.save(thing);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
List things = s.createQuery("from Thing").list();
assertEquals(1, things.size());
thing = (Thing)things.get(0);
assertNull(thing.getName());
t.commit();
s.close();
// change detached thing name to a non-null value
thing.setName("two");
s = openSession();
t = s.beginTransaction();
s.merge(thing);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
things = s.createQuery("from Thing").list();
assertEquals(1, things.size());
thing = ((Thing) things.get(0));
assertEquals("two", thing.getName());
s.delete(thing);
t.commit();
s.close();
}
}