void add(S3TimeData timeData){
  assert timeData != null;
synchronized (mux) {
    map.put(timeData.getKey(),timeData);
    mux.notifyAll();
  }
}

void add ( S3TimeData timeData ) { assert timeData != null ; synchronized ( mux ) { map . put ( timeData . getKey ( ) , timeData ) ; mux . notifyAll ( ) ; } }
adds data to a list of files this task should look after .
