/******************************************************************************* | |
* 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.stress; | |
import org.eclipse.persistence.sessions.Project; | |
import org.eclipse.persistence.testing.framework.*; | |
import org.eclipse.persistence.sessions.server.*; | |
import org.eclipse.persistence.testing.models.employee.relational.EmployeeSystem; | |
/** | |
* Test many client sessions. | |
*/ | |
public class StressThreeTierTest extends AutoVerifyTestCase { | |
public int stressLevel; | |
public StressThreeTierTest(int stressLevel) | |
{ | |
this.stressLevel = stressLevel; | |
} | |
public void test( ) | |
{ | |
Server server = null; | |
try { | |
server = new Project(getSession().getDatasourceLogin()).createServerSession(); | |
new EmployeeSystem().addDescriptors(server); | |
server.addConnectionPool("default", getSession().getDatasourceLogin(), 3, 5); | |
server.useReadConnectionPool(3, 3); | |
server.login(); | |
long startTime = System.currentTimeMillis(); | |
ClientThread client = new ClientThread(server); | |
client.start(); | |
try { | |
client.join(); | |
} catch (InterruptedException exception) { | |
throw new TestErrorException(exception.toString()); | |
} | |
long endTime = System.currentTimeMillis(); | |
System.out.println("Single thread total time -> " + (endTime - startTime)); | |
ClientThread[] clients = new ClientThread[stressLevel]; | |
for (int i = 0; i < stressLevel; i++) { | |
clients[i] = new ClientThread(server); | |
} | |
startTime = System.currentTimeMillis(); | |
for (int i = 0; i < stressLevel; i++) { | |
clients[i].start(); | |
} | |
for (int i = 0; i < stressLevel; i++) { | |
try { | |
clients[i].join(); | |
} catch (InterruptedException exception) { | |
throw new TestErrorException(exception.toString()); | |
} | |
} | |
endTime = System.currentTimeMillis(); | |
System.out.println("Concurrent thread total time -> " + (endTime - startTime)); | |
} finally { | |
server.logout(); | |
} | |
} | |
} |