| /* |
| * Copyright (c) 1998, 2021 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 v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // 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; |
| |
| @Override |
| 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(); |
| } |
| |
| @Override |
| public void setup() { |
| } |
| |
| @Override |
| 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(); |
| } |
| |
| @Override |
| 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."); |
| } |
| } |
| } |