/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, Red Hat Middleware LLC 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 Middleware LLC.
*
* 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.cascade;
import java.util.Collections;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.junit.Test;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import static org.junit.Assert.assertEquals;
/**
* Test case to illustrate that when a child table attempts to cascade to a parent and the parent's Id
* is set to assigned, an exception thrown (not-null property references a null or transient value).
* This error only occurs if the parent link in marked as not nullable.
*
* @author Wallace Wadge (based on code by Gail Badner)
*/
public class CascadeTestWithAssignedParentIdTest extends BaseCoreFunctionalTestCase {
public String[] getMappings() {
return new String[] {
"cascade/ChildForParentWithAssignedId.hbm.xml",
"cascade/ParentWithAssignedId.hbm.xml"
};
}
@Test
@SuppressWarnings( {"UnnecessaryBoxing"})
public void testSaveChildWithParent() {
Session session = openSession();
Transaction txn = session.beginTransaction();
Parent parent = new Parent();
Child child = new Child();
child.setParent( parent );
parent.setChildren( Collections.singleton( child ) );
parent.setId( Long.valueOf(123L) );
// this should figure out that the parent needs saving first since id is assigned.
session.save( child );
txn.commit();
session.close();
session = openSession();
txn = session.beginTransaction();
parent = ( Parent ) session.get( Parent.class, parent.getId() );
assertEquals( 1, parent.getChildren().size() );
txn.commit();
session.close();
}
}