if(log.isInfoEnabled()) log.info("setting frag_size=" + frag_size);
if(log.isDebugEnabled()) log.debug("setting frag_size=" + frag_size);
    void handleConfigEvent(HashMap map) {        if(map == null) return;        if(map.containsKey("frag_size")) {            frag_size=((Integer)map.get("frag_size")).intValue();                if(log.isInfoEnabled()) log.info("setting frag_size=" + frag_size);        }    }