if (log.isTraceEnabled()) { log.trace(this + (started ? " started" : " stopped")); }
if (trace) { log.trace(this + (started ? " started" : " stopped")); }
   void setStarted(boolean started)   {      if (log.isTraceEnabled()) { log.trace(this + (started ? " started" : " stopped")); }            this.started = started;               if (started)      {         //need to prompt delivery            promptDelivery();      }   }