@Override public String toString(){
  final StringBuilder sb=new StringBuilder();
  sb.append("( requestID = ");
  sb.append(getRequestID());
  sb.append(" timestamp = ");
  sb.append(timestamp);
  sb.append(" request = ");
  sb.append(getRequest());
  sb.append(" )");
  return sb.toString();
}

@ Override public String toString ( ) { final StringBuilder sb = new StringBuilder ( ) ; sb . append ( "( requestID = " ) ; sb . append ( getRequestID ( ) ) ; sb . append ( " timestamp = " ) ; sb . append ( timestamp ) ; sb . append ( " request = " ) ; sb . append ( getRequest ( ) ) ; sb . append ( " )" ) ; return sb . toString ( ) ; }
returns a string representation of this promise ' s state .
