void kill(UUID queryId) {
      DocumentExtractor extractor = queries.remove(queryId);
      if (extractor != null) {
         extractor.close();
      }
   }
void kill ( UUID queryId ) { DocumentExtractor extractor = queries . remove ( queryId ) ; if ( extractor != null ) { extractor . close ( ) ; } }
Kill the query (DocumentExtractor).

@param queryId The id of the query