private void deleteQueryCompletionHandler(EnumerationContext ctx,Operation o,Throwable e){
  if (e != null) {
    handleError(ctx,e);
    return;
  }
  QueryTask queryTask=o.getBody(QueryTask.class);
  deleteHelper(ctx,queryTask.results);
}

private void deleteQueryCompletionHandler ( EnumerationContext ctx , Operation o , Throwable e ) { if ( e != null ) { handleError ( ctx , e ) ; return ; } QueryTask queryTask = o . getBody ( QueryTask . class ) ; deleteHelper ( ctx , queryTask . results ) ; }
the completion handler of the operation of deletion query .
