private void clear(){
  logId=null;
  info=null;
  mostRecentTimer=null;
  times.clear();
  threadIds.clear();
  MDC.remove(ID_KEY);
}

private void clear ( ) { logId = null ; info = null ; mostRecentTimer = null ; times . clear ( ) ; threadIds . clear ( ) ; MDC . remove ( ID_KEY ) ; }
resets the contents of a request log at the calling thread .
