private static StringBuilder dump(StringBuilder _lbuffer,long value){
  for (int j=0; j < 8; j++) {
    _lbuffer.append(_hexcodes[(int)(value >> _shifts[j]) & 15]);
  }
  return _lbuffer;
}

private static StringBuilder dump ( StringBuilder _lbuffer , long value ) { for ( int j = 0 ; j < 8 ; j ++ ) { _lbuffer . append ( _hexcodes [ ( int ) ( value > > _shifts [ j ] ) & 15 ] ) ; } return _lbuffer ; }
dump a long value into a stringbuilder .
