Exemplo n.º 1
0
  /**
   * Perform the {@link QueryExecution} once.
   *
   * @param action
   * @param queryExecution
   * @param query
   * @param queryStringLog Informational string created from the initial query.
   * @return
   */
  protected SPARQLResult executeQuery(
      HttpAction action, QueryExecution queryExecution, Query query, String queryStringLog) {
    setAnyTimeouts(queryExecution, action);

    if (query.isSelectType()) {
      ResultSet rs = queryExecution.execSelect();

      // Force some query execution now.
      // If the timeout-first-row goes off, the output stream has not
      // been started so the HTTP error code is sent.

      rs.hasNext();

      // If we wanted perfect query time cancellation, we could consume
      // the result now to see if the timeout-end-of-query goes off.
      // rs = ResultSetFactory.copyResults(rs) ;

      // action.log.info(format("[%d] exec/select", action.id)) ;
      return new SPARQLResult(rs);
    }

    if (query.isConstructType()) {
      Dataset dataset = queryExecution.execConstructDataset();
      // action.log.info(format("[%d] exec/construct", action.id));
      return new SPARQLResult(dataset);
    }

    if (query.isDescribeType()) {
      Model model = queryExecution.execDescribe();
      // action.log.info(format("[%d] exec/describe", action.id)) ;
      return new SPARQLResult(model);
    }

    if (query.isAskType()) {
      boolean b = queryExecution.execAsk();
      // action.log.info(format("[%d] exec/ask", action.id)) ;
      return new SPARQLResult(b);
    }

    ServletOps.errorBadRequest("Unknown query type - " + queryStringLog);
    return null;
  }
Exemplo n.º 2
0
  @Override
  protected void runTestForReal() throws Throwable {
    Query query = null;
    try {
      try {
        query = queryFromTestItem(testItem);
      } catch (QueryException qEx) {
        query = null;
        qEx.printStackTrace(System.err);
        fail("Parse failure: " + qEx.getMessage());
        throw qEx;
      }

      Dataset dataset = setUpDataset(query, testItem);
      if (dataset == null && !doesQueryHaveDataset(query)) fail("No dataset for query");

      QueryExecution qe = null;

      if (dataset == null) qe = QueryExecutionFactory.create(query, queryFileManager);
      else qe = QueryExecutionFactory.create(query, dataset);

      try {
        if (query.isSelectType()) runTestSelect(query, qe);
        else if (query.isConstructType()) runTestConstruct(query, qe);
        else if (query.isDescribeType()) runTestDescribe(query, qe);
        else if (query.isAskType()) runTestAsk(query, qe);
      } finally {
        qe.close();
      }
    } catch (IOException ioEx) {
      // log.debug("IOException: ",ioEx) ;
      fail("IOException: " + ioEx.getMessage());
      throw ioEx;
    } catch (NullPointerException ex) {
      throw ex;
    } catch (Exception ex) {
      ex.printStackTrace(System.err);
      fail("Exception: " + ex.getClass().getName() + ": " + ex.getMessage());
    }
  }