/******************************************************************************* | |
* 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.clientserver; | |
import java.util.*; | |
import org.eclipse.persistence.testing.framework.*; | |
import org.eclipse.persistence.sessions.DatabaseLogin; | |
public class ClientServerConcurrentWriteTest extends AutoVerifyTestCase { | |
protected DatabaseLogin login; | |
protected Vector clients = new Vector(); | |
protected Server server; | |
public static int NUM_CLIENTS = 2; | |
public Vector allSequenceNumbers = new Vector(); | |
public ClientServerConcurrentWriteTest() { | |
setDescription("The test tests writing mutliple concurrent threads with pre-allocation"); | |
} | |
public Vector getAllSequenceNumbers() { | |
return allSequenceNumbers; | |
} | |
public Vector getClients() { | |
if (clients == null) { | |
setClients(new Vector()); | |
} | |
return clients; | |
} | |
public void reset() { | |
server.serverSession.rollbackTransaction(); | |
this.server.logout(); | |
stopThreads(getClients()); | |
setClients(new Vector()); | |
} | |
public void setClients(Vector newClients) { | |
this.clients = newClients; | |
} | |
public void setup() { | |
this.login = (DatabaseLogin)getSession().getLogin().clone(); | |
this.server = new Server(this.login); | |
this.server.serverSession.getLogin().getDefaultSequence().setPreallocationSize(1); | |
this.server.serverSession.setSessionLog(getSession().getSessionLog()); | |
this.server.login(); | |
this.server.copyDescriptors(getSession()); | |
for (int i = 0; i < NUM_CLIENTS; i++) { | |
getClients().addElement(new EmployeeClient(this.server, getSession(), "EmployeeClient" + i, 25)); | |
} | |
server.serverSession.beginTransaction(); | |
} | |
public void startThreads(Vector threads) { | |
for (Enumeration enumtr = threads.elements(); enumtr.hasMoreElements();) { | |
EmployeeClient thread = (EmployeeClient)enumtr.nextElement(); | |
thread.start(); | |
} | |
} | |
public void stopThreads(Vector threads) { | |
for (Enumeration enumtr = threads.elements(); enumtr.hasMoreElements();) { | |
EmployeeClient thread = (EmployeeClient)enumtr.nextElement(); | |
thread.pleaseStop(); | |
} | |
} | |
public void test() { | |
startThreads(getClients()); | |
waitForThreads(getClients()); | |
} | |
public void verify() { | |
for (Enumeration enumtr = getClients().elements(); enumtr.hasMoreElements();) { | |
EmployeeClient thread = (EmployeeClient)enumtr.nextElement(); | |
if (thread.anErrorOccurred()) { | |
throw new TestErrorException("An exception " + thread.getTestException() + " occurred in client " + thread.toString()); | |
} else { | |
for (Enumeration sequences = thread.getSequenceNumbers().elements(); | |
sequences.hasMoreElements();) { | |
Object sequence = sequences.nextElement(); | |
if (getAllSequenceNumbers().contains(sequence)) { | |
setClients(new Vector()); | |
throw new TestErrorException("A duplicate sequence number has been detected -> " + sequence); | |
} else { | |
getAllSequenceNumbers().addElement(sequence); | |
} | |
} | |
} | |
} | |
} | |
public void waitForThreads(Vector threads) { | |
for (Enumeration enumtr = threads.elements(); enumtr.hasMoreElements();) { | |
try { | |
((Thread)enumtr.nextElement()).join(); | |
} catch (Exception ex) { | |
ex.printStackTrace(); | |
stopThreads(getClients()); | |
throw new TestErrorException("Client:" + toString() + "caught exception -> " + ex); | |
} | |
} | |
} | |
} |