org.mule.tck.TestCaseWatchdog.java Source code

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Here is the source code for org.mule.tck.TestCaseWatchdog.java

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/*
 * $Id$
 * --------------------------------------------------------------------------------------
 * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 *
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */

package org.mule.tck;

import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class TestCaseWatchdog extends Thread {
    protected static final AtomicInteger threadNumber = new AtomicInteger(0);

    protected final Log log = LogFactory.getLog(getClass());

    protected final long delay;
    protected final TimeUnit unit;
    protected final TestCaseWatchdogTimeoutHandler handler;
    protected volatile boolean timedOut = false;

    public TestCaseWatchdog(long delay, TimeUnit unit, TestCaseWatchdogTimeoutHandler timeoutHandler) {
        super("WatchdogThread-" + threadNumber.getAndIncrement());
        this.setDaemon(true);
        this.delay = delay;
        this.unit = unit;
        this.handler = timeoutHandler;
    }

    public void run() {
        if (this.delay < 0) {
            return;
        }

        long millisToWait = this.unit.toMillis(this.delay);
        if (log.isDebugEnabled()) {
            log.debug("Starting with " + millisToWait + "ms timeout.");
        }

        try {
            Thread.sleep(millisToWait);
            timedOut = true;
            if (handler != null) {
                handler.handleTimeout(delay, unit);
            }
        } catch (InterruptedException interrupted) {
            if (log.isDebugEnabled()) {
                log.debug("Watchdog stopped.");
            }
        }
    }

    public void cancel() {
        this.interrupt();
    }

    public boolean isTimedOut() {
        return timedOut;
    }
}