/*******************************************************************************
* 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 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 all.
* This test must be run on a multi-CPU machine to be meaningful.
*/
public class ReadAllObjectsDatabaseSessionConcurrentTest extends ConcurrentPerformanceComparisonTest {
protected ThreadLocal session;
public ReadAllObjectsDatabaseSessionConcurrentTest() {
setDescription("This tests the concurrency of read-all.");
}
/**
* Set thread local.
*/
public void setup() {
super.setup();
session = new ThreadLocal();
}
/**
* Find all employees
*/
public void runTask() throws Exception {
DatabaseSession dbSession = (DatabaseSession)session.get();
if (dbSession == null) {
dbSession = new EmployeeProject().createDatabaseSession();
dbSession.setLogin(getSession().getLogin());
dbSession.login();
session.set(dbSession);
} else {
dbSession.readAllObjects(Employee.class);
}
}
/**
* Logout the main thread session, let the other garbage collect (hopefully).
*/
public void reset() {
super.reset();
DatabaseSession dbSession = (DatabaseSession)session.get();
dbSession.logout();
session.set(null);
session = null;
}
}