/******************************************************************************* | |
* 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.queries.*; | |
import org.eclipse.persistence.testing.framework.*; | |
import org.eclipse.persistence.testing.models.aggregate.*; | |
/** | |
* For Bug 6033380 | |
* Test to ensure that an Aggregate object's identity is still maintained if the | |
* parent is invalidated, and then re-read. TopLink should not re-create a new | |
* instance of the aggregate in this scenario; The existing aggregate relationship | |
* should be re-used. | |
*/ | |
public class AggregateInvalidationIdentityTest extends AutoVerifyTestCase { | |
DatabaseSession session; | |
Employee originalEmployee; | |
Employee refreshedEmployee; | |
AddressDescription originalAddressDescription; | |
AddressDescription refreshedAddressDescription; | |
public AggregateInvalidationIdentityTest() { | |
super(); | |
setDescription("Tests that identity is maintained for an aggregate, if the parent is invalidated and then re-read"); | |
} | |
protected void setup() { | |
beginTransaction(); | |
session = (DatabaseSession)getSession(); | |
UnitOfWork uow = session.acquireUnitOfWork(); | |
originalEmployee = Employee.example1(); | |
originalAddressDescription = originalEmployee.getAddressDescription(); | |
uow.registerObject(originalEmployee); | |
uow.commit(); | |
} | |
public void test() { | |
// here's the test - invalidate the non-aggregate parent | |
session.getIdentityMapAccessor().invalidateObject(originalEmployee); | |
// now do a Read query to read the parent object back | |
ReadObjectQuery query = new ReadObjectQuery(Employee.class); | |
query.setSelectionObject(originalEmployee); | |
// cache the re-read objects | |
refreshedEmployee = (Employee) session.executeQuery(query); | |
refreshedAddressDescription = refreshedEmployee.getAddressDescription(); | |
} | |
public void verify() { | |
// the refreshed employee must be the same object as the original object | |
if (refreshedEmployee.hashCode() != originalEmployee.hashCode()) { | |
throwError("Employee's identity is different from the original Employee"); | |
} | |
// the refreshed addressdescription (aggregate) must be the same object as the original | |
if (refreshedAddressDescription.hashCode() != originalAddressDescription.hashCode()) { | |
throwError("AddressDescription's identity is different from the original AddressDescription"); | |
} | |
} | |
public void reset() { | |
session = null; | |
rollbackTransaction(); | |
} | |
} |