/******************************************************************************* | |
* 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 | |
******************************************************************************/ | |
package org.eclipse.persistence.testing.tests.inheritance; | |
import org.eclipse.persistence.exceptions.DatabaseException; | |
import org.eclipse.persistence.queries.ReadObjectQuery; | |
import org.eclipse.persistence.sessions.DatabaseSession; | |
import org.eclipse.persistence.sessions.UnitOfWork; | |
import org.eclipse.persistence.testing.framework.AutoVerifyTestCase; | |
import org.eclipse.persistence.testing.framework.TestErrorException; | |
import org.eclipse.persistence.testing.framework.TestWarningException; | |
import org.eclipse.persistence.testing.models.inheritance.BaseProject; | |
import org.eclipse.persistence.testing.models.inheritance.BudgettedProject; | |
/** | |
* <p> | |
* <b>Purpose</b>: This test checks to see if the Unit of Work Identity Map functions with the Inheritance mappings. | |
* <p> | |
* <p> | |
* <b>Motivation </b>: This test was written to test inheritance using UnitOfWorkIdentityMapAccessor. | |
* <p> | |
* <b>Responsibilities</b>: Check if the unit of work identity map works correctly with inheritance. | |
* <p> | |
* <p> | |
* */ | |
public class UnitOfWorkIdentityMapAccessorTest extends AutoVerifyTestCase { | |
private UnitOfWork unitOfWork; | |
private BaseProject baseProject; | |
private Object result; | |
public UnitOfWorkIdentityMapAccessorTest() { | |
super(); | |
} | |
protected void setup() { | |
DatabaseSession session = (DatabaseSession)getSession(); | |
UnitOfWork uow = session.acquireUnitOfWork(); | |
baseProject = new BaseProject(); | |
baseProject.setName("Bob"); | |
uow.registerNewObject(baseProject); | |
uow.commit(); | |
} | |
protected void test() { | |
getSession().getIdentityMapAccessor().initializeAllIdentityMaps(); | |
unitOfWork = getSession().acquireUnitOfWork(); | |
ReadObjectQuery query = new ReadObjectQuery(BaseProject.class); | |
query.setShouldRefreshIdentityMapResult(true); | |
unitOfWork.getParent().executeQuery(query); | |
// Fetch the object of another subclass using same PK as fetched above for different object. | |
result = unitOfWork.getIdentityMapAccessor().getFromIdentityMap(baseProject.getId(), BudgettedProject.class); | |
} | |
/** | |
* Verify if the objects fetched does not belong to other subclass. | |
*/ | |
protected void verify() { | |
try { | |
if (result != null && !(result instanceof BudgettedProject)) { | |
throw new TestErrorException("The object fetched from identity map accessor belong to different subclass " + result.getClass().getName()); | |
} | |
} catch (DatabaseException exception) { | |
if (getSession().getPlatform().isDBase()) { | |
throw new TestWarningException("This fails because of some strange bug in the DBase driver. " + exception.getMessage()); | |
} else { | |
throw exception; | |
} | |
} finally { | |
unitOfWork.release(); | |
} | |
} | |
public void reset() { | |
DatabaseSession session = (DatabaseSession)getSession(); | |
UnitOfWork uow = session.acquireUnitOfWork(); | |
uow.deleteObject(baseProject); | |
uow.commit(); | |
this.unitOfWork = null; | |
this.result = null; | |
this.baseProject = null; | |
} | |
} |