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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.ote.core;
import java.lang.ref.WeakReference;
import java.util.Calendar;
import java.util.Collection;
import java.util.Date;
import java.util.HashSet;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.eclipse.osee.framework.logging.OseeLog;
import org.eclipse.osee.ote.core.environment.TestEnvironment;
import org.eclipse.osee.ote.core.internal.Activator;
/**
* @author Ken J. Aguilar
*/
public abstract class OseeTestThread {
private static final Logger logger = Logger.getLogger("osee.test.core.OseeTestThread");
private final Thread thread;
private final WeakReference<TestEnvironment> env;
private static final HashSet<OseeTestThread> threadList = new HashSet<OseeTestThread>(32);
private volatile Throwable causeOfDeath = null;
private volatile Date timeOfDeath = null;
/**
* Creates the thread with the given name and as a non daemon thread
*/
public OseeTestThread(String name, TestEnvironment env) {
this(name, false, null, env);
}
public OseeTestThread(String name, ThreadGroup group, TestEnvironment env) {
this(name, false, group, env);
}
public Thread.State getState() {
return thread.getState();
}
/**
* Creates the thread with the given name and daemon flag
*
* @param name the name of this thread
* @param isDaemon marks the thread as a daemon thread
*/
public OseeTestThread(String name, boolean isDaemon, ThreadGroup group, TestEnvironment env) {
GCHelper.getGCHelper().addRefWatch(this);
this.env = new WeakReference<TestEnvironment>(env);
thread = new Thread(group, name) {
@Override
public void run() {
try {
OseeTestThread.this.run();
synchronized (threadList) {
threadList.remove(OseeTestThread.this);
}
} catch (TestException e) {
OseeLog.log(Activator.class, e.getLevel(),
"TestException in " + e.getThreadName() + ": " + e.getMessage(), e);
cleanupAfterException(e);
} catch (Throwable t) {
OseeLog.log(Activator.class, Level.SEVERE, "Unhandled exception in " + thread.getName(), t);
cleanupAfterException(t);
}
}
};
thread.setDaemon(isDaemon);
threadList.add(this);
}
/**
* Starts the thread
*/
public void start() {
thread.start();
}
public void setName(String name) {
thread.setName(name);
}
public String getName() {
return thread.getName();
}
public boolean isAlive() {
return thread.isAlive();
}
public void interrupt() {
thread.interrupt();
}
private static final class Trace extends RuntimeException {
private static final long serialVersionUID = 8520935964300439490L;
Trace() {
super("call trace");
}
}
/**
* This method will be called upon thread execution
*/
protected abstract void run() throws Exception;
public void join() throws InterruptedException {
thread.join();
}
public void join(int milliseconds) throws InterruptedException {
thread.join(milliseconds);
}
public TestEnvironment getEnvironment() {
return OseeTestThread.this.env.get();
}
public static Collection<OseeTestThread> getThreads() {
return threadList;
}
private synchronized void cleanupAfterException(Throwable t) {
causeOfDeath = t;
timeOfDeath = Calendar.getInstance().getTime();
this.env.get().handleException(t, Level.OFF);
}
public Throwable getCauseOfDeath() {
return causeOfDeath;
}
public Date getTimeOfDeath() {
return timeOfDeath;
}
public static void clearThreadReferences() {
synchronized (threadList) {
threadList.clear();
}
}
public boolean isInterrupted() {
return thread.isInterrupted();
}
public void setDaemon(boolean isDaemon) {
thread.setDaemon(isDaemon);
}
public Thread getThread() {
return thread;
}
}
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