public WorkQueue() 
{
		this(10);
}

 public WorkQueue(int size) 
{
		queue = new ArrayList< Work >(size);
}

 public  void add(Work work) 
{
		queue.add(work);
}

 public  void clear() 
{
		queue.clear();
		if (sealedQueue != null) sealedQueue.clear();
}

 public List getQueue() 
{
		return queue;
}

 public List getSealedQueue() 
{
		if (sealedQueue == null) throw new AssertionFailure("Access a Sealed WorkQueue which has not been sealed");
		return sealedQueue;
}

 public  void setSealedQueue(List sealedQueue) 
{
		//invalidate the working queue for serializability
		queue = null;
		this.sealedQueue = sealedQueue;
}

 public int size() 
{
		return queue.size();
}

 public WorkQueue splitQueue() 
{
		WorkQueue subQueue = new WorkQueue( queue );
		this.queue = new ArrayList< Work >( queue.size() );
		return subQueue;
}