public synchronized boolean recheckOffline(){
  return recheckOffline != -1 && System.currentTimeMillis() - recheckOffline > RECHECK_OFFLINE_DELAY;
}

public synchronized boolean recheckOffline ( ) { return recheckOffline != - 1 && System . currentTimeMillis ( ) - recheckOffline > RECHECK_OFFLINE_DELAY ; }
whether to recheck the offline status by requesting the stream status again earlier than usual .
