public AbstractManagedThreadFactory() 
{
 
        setThreadGroup(null);
}

 protected ManagedThread createThread(ThreadGroup group,
    Runnable runnable,
    String name) 
{
        return new ManagedThread(group, runnable, name, this);
}

 public long getHungTaskThreshold() 
{
        return this.hungTaskThreshold;
}

 public ThreadGroup getThreadGroup() 
{
        return this.threadGroup;
}

 public int getThreadPriority() 
{
        return this.threadPriority;
}

 public boolean isDaemonThread() 
{
        return this.daemonThread;
}

 abstract public boolean isRunning()

 public Thread newThread(Runnable runnable) 
{
        if (!isRunning()) {
            throw new IllegalArgumentException(
                  "Component that created this thread factory is no longer running");
        }
        String name = this.threadGroup.getName() + "-t" + this.threadNumber.getAndIncrement();        
        ManagedThread thread = createThread(this.threadGroup, runnable, name);  
        thread.setPriority(this.threadPriority);
        thread.setDaemon(this.daemonThread);
        thread.setHungTaskThreshold(this.hungTaskThreshold);
        LOG.debug("Created thread: " + thread);
        return thread;
}

 public  void setDaemonThread(boolean daemonThread) 
{
        this.daemonThread = daemonThread;
}

 public  void setHungTaskThreshold(long hungTaskThreshold) 
{
        if (hungTaskThreshold <  0) {
            throw new IllegalArgumentException("Threshold must be zero or greater");
        }
        this.hungTaskThreshold = hungTaskThreshold;
}

 public  void setThreadGroup(String groupName) 
{
        this.threadGroup = new ThreadGroup(getTheadGroupName(groupName));
}

 public  void setThreadPriority(int threadPriority) 
{
        if (threadPriority <  Thread.MIN_PRIORITY ||
            threadPriority  > Thread.MAX_PRIORITY) {
            throw new IllegalArgumentException("Invalid thread priority: " + threadPriority);
        }
        this.threadPriority = threadPriority;
}

 abstract public  void shutdown()

 public  void threadStarted(Thread thread) 
{

}

 public  void threadStopped(Thread thread) 
{

}