/******************************************************************************* | |
* Copyright (c) 1998, 2013 Oracle and/or its affiliates. All rights reserved. | |
* This program and the accompanying materials are made available under the | |
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 | |
* which accompanies this distribution. | |
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html | |
* and the Eclipse Distribution License is available at | |
* http://www.eclipse.org/org/documents/edl-v10.php. | |
* | |
* Contributors: | |
* Oracle - initial API and implementation from Oracle TopLink | |
******************************************************************************/ | |
package org.eclipse.persistence.testing.tests.aggregate; | |
import org.eclipse.persistence.sessions.*; | |
import org.eclipse.persistence.expressions.*; | |
import org.eclipse.persistence.testing.framework.*; | |
import org.eclipse.persistence.testing.models.aggregate.Bicycle; | |
import org.eclipse.persistence.testing.models.aggregate.Transport; | |
/** | |
* Test to make sure that the appropriate update is made when an aggregate using inheriance is | |
* changed from one subclass to another. | |
* @author Tom Ware | |
*/ | |
public class AggregateInheritanceTestCase extends org.eclipse.persistence.testing.framework.AutoVerifyTestCase { | |
private int transportId = 0; | |
public void reset() { | |
// Remove the transport added for this test | |
DatabaseSession session = (DatabaseSession)getSession(); | |
UnitOfWork uow = session.acquireUnitOfWork(); | |
ExpressionBuilder transport = new ExpressionBuilder(); | |
Expression expression = transport.get("id").equal(transportId); | |
uow.deleteAllObjects(uow.readAllObjects(Transport.class, expression)); | |
uow.commit(); | |
} | |
public void setup() { | |
} | |
public void test() { | |
DatabaseSession session = (DatabaseSession)getSession(); | |
UnitOfWork uow = session.acquireUnitOfWork(); | |
// add a new transport | |
Transport transport = Transport.example1(); | |
Transport transportClone = (Transport)uow.registerNewObject(transport); | |
uow.commitAndResume(); | |
transportId = transportClone.getId(); | |
// change the aggregate 'vehicle' to a new value which is a different subclass of vehicle | |
transportClone.setVehicle(Bicycle.example1()); | |
uow.commit(); | |
} | |
public void verify() { | |
DatabaseSession session = (DatabaseSession)getSession(); | |
ExpressionBuilder transport = new ExpressionBuilder(); | |
Expression expression = transport.get("id").equal(transportId); | |
Transport testTransport = Transport.example1(); | |
// get transport we inserted and compare it's vehicle to the one we added to the database. | |
Transport transportFromTL = (Transport)session.readObject(Transport.class, expression); | |
if (testTransport.getVehicle().getColour().equals(transportFromTL.getVehicle().getColour()) && (testTransport.getVehicle().getCapacity() == transportFromTL.getVehicle().getCapacity())) { | |
throw new TestErrorException("The Aggregate was changed, but the database was not updated."); | |
} | |
} | |
} |