/******************************************************************************* | |
* 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.queries; | |
import java.util.*; | |
import org.eclipse.persistence.testing.framework.*; | |
import org.eclipse.persistence.testing.models.employee.domain.*; | |
import org.eclipse.persistence.queries.*; | |
import org.eclipse.persistence.expressions.*; | |
import org.eclipse.persistence.sessions.*; | |
/** | |
* Runs cursored stream tests with conforming. | |
* @bug 3009570 Conforming Cursors | |
* @author Stephen McRitchie | |
*/ | |
public class CursoredStreamConformingTest extends CursoredStreamTest | |
{ | |
protected ConformingTestConfiguration configuration; | |
protected boolean useNestedUnitOfWork; | |
public CursoredStreamConformingTest() { | |
super(Employee.class, (new ExpressionBuilder()).get("salary").greaterThan(50000)); | |
configuration = new ConformingTestConfiguration(); | |
} | |
public CursoredStreamConformingTest(boolean useNestedUnitOfWork) { | |
this(); | |
if (useNestedUnitOfWork) { | |
setName(getName() + ":NestedUnitOfWork"); | |
this.useNestedUnitOfWork = true; | |
} | |
} | |
protected void setup() | |
{ | |
getSession().getIdentityMapAccessor().initializeAllIdentityMaps(); | |
configuration.setup(getSession()); | |
UnitOfWork unitOfWork = configuration.getUnitOfWork(); | |
ReadAllQuery query = new ReadAllQuery(getReferenceClass(), joinExpression); | |
query.conformResultsInUnitOfWork(); | |
Vector result = (Vector)unitOfWork.executeQuery(query); | |
// Since conforming can not preserve order, must simply compare the | |
// two results by PK. | |
Vector expectedPKs = new Vector(result.size()); | |
for (Enumeration enumtr = result.elements(); enumtr.hasMoreElements();) { | |
Employee emp = (Employee)enumtr.nextElement(); | |
expectedPKs.add(emp.getId()); | |
} | |
setNormalQueryObjects(expectedPKs); | |
configuration.reset(); | |
getSession().getIdentityMapAccessor().initializeAllIdentityMaps(); | |
configuration.setup(getSession()); | |
if (useNestedUnitOfWork) { | |
getExecutor().setSession(configuration.getUnitOfWork().acquireUnitOfWork()); | |
} else { | |
getExecutor().setSession(configuration.getUnitOfWork()); | |
} | |
} | |
public void test ( ) { | |
ReadAllQuery query = new ReadAllQuery(); | |
CursoredStream stream = null; | |
try { | |
Object databaseObject; | |
cursoredQueryObjects = new Vector(); | |
query.setReferenceClass(getReferenceClass()); | |
query.setSelectionCriteria(joinExpression); | |
query.conformResultsInUnitOfWork(); | |
query.useCursoredStream(); | |
stream = (CursoredStream) getSession().executeQuery(query); | |
// Test dual cursors and read(int) | |
CursoredStream stream2 = (CursoredStream) getSession().executeQuery(query); | |
try { | |
stream2.read(5); | |
} catch (org.eclipse.persistence.exceptions.QueryException ex) {} // ignore at end | |
stream2.close(); | |
while (!stream.atEnd()) { | |
databaseObject = stream.read(); | |
getCursoredQueryObjects().addElement(((Employee)databaseObject).getId()); | |
stream.releasePrevious(); | |
} | |
} finally { | |
if (stream != null) { | |
stream.close(); | |
} | |
} | |
} | |
/** | |
* Verify if number of query objects matches number of cursor objects | |
*/ | |
protected void verify() | |
{ | |
//System.out.println("Normal objects: " + getNormalQueryObjects()); | |
//System.out.println("Conforming objects: " + getCursoredQueryObjects()); | |
if (getNormalQueryObjects().size() != getCursoredQueryObjects().size()) { | |
throw new TestErrorException("The number of streamed objects does not match the number of objects stored on the database "); | |
} | |
if (getNormalQueryObjects().size() == 0) { | |
throw new TestWarningException("no object with the specified selection criteria was found "); | |
} | |
for (Enumeration enumtr = getNormalQueryObjects().elements(); enumtr.hasMoreElements();) { | |
Object nextObject = enumtr.nextElement(); | |
if (!getCursoredQueryObjects().remove(nextObject)) { | |
throw new TestErrorException("The following element was not found in the conformed result: " + nextObject); | |
} | |
} | |
} | |
public void reset() { | |
if (useNestedUnitOfWork) { | |
getExecutor().getSession().release(); | |
} | |
getExecutor().setSession(configuration.getUnitOfWork().getParent()); | |
configuration.reset(); | |
} | |
} |