/******************************************************************************* | |
* 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.readonly; | |
import java.util.*; | |
import org.eclipse.persistence.sessions.*; | |
import org.eclipse.persistence.expressions.*; | |
import org.eclipse.persistence.testing.models.readonly.Country; | |
import org.eclipse.persistence.testing.models.readonly.Address; | |
import org.eclipse.persistence.testing.framework.AutoVerifyTestCase; | |
import org.eclipse.persistence.testing.framework.TestErrorException; | |
/** | |
* <p> | |
* <b>Purpose</b>: Test updating a non-read-only object which has a reference to a read-only object. | |
* <p> | |
* <b>Responsibilities</b>: | |
* <ul> | |
* <li> Verify that modifications to the non-read-only object get written to the database. | |
* </ul> | |
*/ | |
public class ReadOnlyClassUpdateTestCase extends AutoVerifyTestCase { | |
public Address address; | |
Country originalCountry; | |
public ReadOnlyClassUpdateTestCase() { | |
super(); | |
} | |
public void reset() { | |
getSession().getProject().setDefaultReadOnlyClasses(new Vector()); | |
rollbackTransaction(); | |
getSession().getIdentityMapAccessor().initializeIdentityMaps(); | |
/* // Reset the address that was changed. | |
Vector readOnlyClasses = new Vector(); | |
readOnlyClasses.addElement(Country.class); | |
UnitOfWork uow = getSession().acquireUnitOfWork(); | |
uow.setReadOnlyClasses(readOnlyClasses); | |
Address cloneAddress = (Address) uow.registerObject(address); | |
cloneAddress.setCountry(originalCountry); | |
uow.commit(); | |
*/ | |
/* getAbstractSession().beginTransaction(); | |
address.setCountry(originalCountry); | |
getAbstractSession().updateObject(address); | |
getAbstractSession().commitTransaction(); | |
*/ | |
} | |
/** | |
* Return a random element of aVector. Return null if the Vector is empty. | |
*/ | |
protected Object selectRandom(Vector aVector) { | |
if (aVector.isEmpty()) { | |
return null; | |
} | |
int size = aVector.size(); | |
Random aRandom = new Random(); | |
int index = Math.abs(aRandom.nextInt()) % size; | |
return aVector.elementAt(index); | |
} | |
protected void setup() { | |
beginTransaction(); | |
} | |
protected void test() { | |
// Have the countries standing by, outside the unit of work. | |
Vector countries = getSession().readAllObjects(Country.class); | |
// Acquire a unit of work with a class read-only. | |
Vector readOnlyClasses = new Vector(); | |
readOnlyClasses.addElement(Country.class); | |
UnitOfWork uow = getSession().acquireUnitOfWork(); | |
uow.removeAllReadOnlyClasses(); | |
uow.addReadOnlyClasses(readOnlyClasses); | |
// Read in an existing Address. | |
ExpressionBuilder expBuilder = new ExpressionBuilder(); | |
Expression exp = expBuilder.get("country").get("name").equal("United Kingdom"); | |
address = (Address)uow.readObject(Address.class, exp); | |
Address addressClone = (Address)uow.registerObject(address); | |
originalCountry = addressClone.getCountry(); | |
// Change the Address' Country. | |
Country aCountry; | |
do { | |
aCountry = (Country)selectRandom(countries); | |
} while (address.getCountry().equals(aCountry)); | |
addressClone.setCountry(aCountry); | |
// Commit the unit of work | |
uow.commit(); | |
} | |
protected void verify() { | |
ExpressionBuilder expBuilder = new ExpressionBuilder(); | |
Expression exp = expBuilder.get("streetAddress").equal(address.getStreet()); | |
Address dbAddress = (Address)getSession().readObject(Address.class, exp); | |
if (!address.equals(dbAddress)) { | |
throw new TestErrorException("The update of a non-read-only object referring to a read-only object failed. We should be able to do this!"); | |
} | |
} | |
} |