/******************************************************************************* | |
* 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.performance.reading; | |
import java.util.Vector; | |
import org.eclipse.persistence.expressions.*; | |
import org.eclipse.persistence.queries.*; | |
import org.eclipse.persistence.testing.models.performance.toplink.*; | |
import org.eclipse.persistence.testing.framework.*; | |
/** | |
* This test compares the performance of read object and access to a 1-1, 1-m vs joining. | |
*/ | |
public class ReadObjectvsJoinTest extends PerformanceComparisonTestCase { | |
protected Employee employee; | |
protected ReadObjectQuery query; | |
protected ReadObjectQuery joinQuery; | |
public ReadObjectvsJoinTest() { | |
setDescription("This test compares the performance of read object and access to 1-1, 1-m vs joining."); | |
addReadObjectJoinTest(); | |
} | |
public void setup() throws Exception { | |
Expression expression = new ExpressionBuilder().get("firstName").equal("Bob"); | |
employee = (Employee)getSession().readObject(Employee.class, expression); | |
query = new ReadObjectQuery(Employee.class); | |
query.setSelectionCriteria(query.getExpressionBuilder().get("id").equal(query.getExpressionBuilder().getParameter("id"))); | |
query.addArgument("id"); | |
joinQuery = new ReadObjectQuery(Employee.class); | |
joinQuery.setSelectionCriteria(joinQuery.getExpressionBuilder().get("id").equal(joinQuery.getExpressionBuilder().getParameter("id"))); | |
joinQuery.addJoinedAttribute("address"); | |
joinQuery.addJoinedAttribute(joinQuery.getExpressionBuilder().anyOf("phoneNumbers")); | |
joinQuery.addArgument("id"); | |
} | |
/** | |
* Read an employee and access address, phones, cleared cache. | |
*/ | |
public void test() throws Exception { | |
getSession().getIdentityMapAccessor().initializeIdentityMaps(); | |
Vector arguments = new Vector(); | |
arguments.add(employee.getId()); | |
Employee result = (Employee)getSession().executeQuery(query, arguments); | |
result.getAddress(); | |
result.getPhoneNumbers().size(); | |
} | |
/** | |
* Read an employee and join read their address, phones. | |
*/ | |
public void addReadObjectJoinTest() { | |
PerformanceComparisonTestCase test = new PerformanceComparisonTestCase() { | |
public void test() { | |
getSession().getIdentityMapAccessor().initializeIdentityMaps(); | |
Vector arguments = new Vector(); | |
arguments.add(employee.getId()); | |
Employee result = (Employee)getSession().executeQuery(joinQuery, arguments); | |
result.getAddress(); | |
result.getPhoneNumbers().size(); | |
} | |
}; | |
test.setName("ReadObjectJoinTest"); | |
test.setAllowableDecrease(30); | |
addTest(test); | |
} | |
} |