@Override public void cancel(final RunningQuery rQuery){
  if (rQuery != null) {
    final UUID queryId=rQuery.getQueryUuid();
    cancel(queryId);
  }
}

@ Override public void cancel ( final RunningQuery rQuery ) { if ( rQuery != null ) { final UUID queryId = rQuery . getQueryUuid ( ) ; cancel ( queryId ) ; } }
cancel a running query .
