if(log.isInfoEnabled()) log.info("received CONFIG event: " + evt.getArg());
if(log.isDebugEnabled()) log.debug("received CONFIG event: " + evt.getArg());
    public void up(Event evt) {        passUp(evt);        switch(evt.getType()) {            case Event.CONFIG:                passUp(evt);                 if(log.isInfoEnabled()) log.info("received CONFIG event: " + evt.getArg());                handleConfigEvent((HashMap)evt.getArg());                return;        }        passUp(evt);    }