/*******************************************************************************
* Copyright (c) 1998, 2015 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.concurrent;
import java.util.*;
import org.eclipse.persistence.expressions.*;
import org.eclipse.persistence.sessions.*;
import org.eclipse.persistence.testing.models.performance.toplink.*;
import org.eclipse.persistence.testing.framework.*;
/**
* This test compares the concurrency of read object cache hits.
* This test must be run on a multi-CPU machine to be meaningful.
*/
public class ReadObjectCachedUOWConcurrentTest extends ConcurrentPerformanceComparisonTest {
protected Employee employee;
protected List allObjects;
public ReadObjectCachedUOWConcurrentTest() {
setDescription("This tests the concurrency of read-object cache hits.");
}
/**
* Find any employee.
*/
public void setup() {
super.setup();
Expression expression = new ExpressionBuilder().get("firstName").equal("Bob");
employee = (Employee)getServerSession().acquireClientSession().readObject(Employee.class, expression);
// Fully load the cache.
allObjects = getServerSession().acquireClientSession().readAllObjects(Employee.class);
}
/**
* Cached read-object.
*/
public void runTask() throws Exception {
UnitOfWork uow = getSession().acquireUnitOfWork();
uow.readObject(employee);
uow.release();
}
}