Note that most of the methods are not thread-safe. this causes no problem as the methods are not
intended to be directly called by clients. instead the superclass implements the interface
EventQueue and invokes the methods thereby synchronizing access.
author: Alphonse Bendt version: $Id: BoundedFifoEventQueue.java,v 1.7 2006/02/25 15:28:40 alphonse.bendt Exp $