@Override public int compare(final Long o1,final Long o2){
  if (o1.longValue() < o2.longValue())   return 1;
  if (o1.longValue() > o2.longValue())   return -1;
  return 0;
}

@ Override public int compare ( final Long o1 , final Long o2 ) { if ( o1 . longValue ( ) < o2 . longValue ( ) ) return 1 ; if ( o1 . longValue ( ) > o2 . longValue ( ) ) return - 1 ; return 0 ; }
comparator puts the entries into descending order by the query execution time ( longest running queries are first ) .
