if (log.isDebugEnabled()) log.debug("PB========= HeartbeatPiggybackerAspect loaded");
    public void load ()    {        if (!piggybackingIsOn) return;                super.load();        if (log.isDebugEnabled())             log.debug("PB========= HeartbeatPiggybackerAspect load() called");        metricsUpdateService = (MetricsUpdateService)            getServiceBroker().getService(this, MetricsUpdateService.class, null);        //whitePages = (WhitePagesService)getServiceBroker().getService(this, WhitePagesService.class, null);                synchronized (HeartbeatPiggybackerAspect.class)        {          if (piggybackingIsOn && instance == null)          {            //Kick off worker thread            //heartbeatPiggybacker = new HeartbeatPiggybacker (this);            //(new Thread (heartbeatPiggybacker, "HeartbeatPiggybacker")).start();            instance = this;          }        }    }