Beispiel #1
0
 /**
  * Checks the response to an HTTP request.
  *
  * @param v query result
  * @param itemsCount expected number of items
  * @param expStatus expected status
  */
 private static void checkResponse(final Value v, final int itemsCount, final int expStatus) {
   assertEquals(itemsCount, v.size());
   assertTrue(v.itemAt(0) instanceof FElem);
   final FElem response = (FElem) v.itemAt(0);
   assertNotNull(response.attributes());
   if (!eq(response.attribute(STATUS), token(expStatus))) {
     fail("Expected: " + expStatus + "\nFound: " + response);
   }
 }
Beispiel #2
0
 /**
  * Returns a parameter.
  *
  * @param value value
  * @param name name
  * @param declared variable declaration flags
  * @return parameter
  * @throws QueryException HTTP exception
  */
 private RestXqParam param(final Value value, final QNm name, final boolean[] declared)
     throws QueryException {
   // [CG] RESTXQ: allow identical field names?
   final long vs = value.size();
   if (vs < 2) error(ANN_PARAMS, "%", name.string(), 2);
   // name of parameter
   final String key = toString(value.itemAt(0), name);
   // variable template
   final QNm qnm = checkVariable(toString(value.itemAt(1), name), declared);
   // default value
   final ValueBuilder vb = new ValueBuilder();
   for (int v = 2; v < vs; v++) vb.add(value.itemAt(v));
   return new RestXqParam(qnm, key, vb.value());
 }
Beispiel #3
0
  /**
   * Evaluates the specified query.
   *
   * @param query query
   * @return success flag
   */
  final boolean query(final String query) {
    final Performance p = new Performance();
    String error;
    if (exception != null) {
      error = Util.message(exception);
    } else {
      try {
        long hits = 0;
        final boolean run = options.get(MainOptions.RUNQUERY);
        final boolean serial = options.get(MainOptions.SERIALIZE);
        final int runs = Math.max(1, options.get(MainOptions.RUNS));
        for (int r = 0; r < runs; ++r) {
          // reuse existing processor instance
          if (r != 0) qp = null;
          qp(query, context);
          parse(p);
          if (r == 0) plan(false);

          qp.compile();
          info.compiling += p.time();
          if (r == 0) plan(true);
          if (!run) continue;

          final PrintOutput po = r == 0 && serial ? out : new NullOutput();
          try (final Serializer ser = qp.getSerializer(po)) {
            if (maxResults >= 0) {
              result = qp.cache(maxResults);
              info.evaluating += p.time();
              result.serialize(ser);
              hits = result.size();
            } else {
              hits = 0;
              final Iter ir = qp.iter();
              info.evaluating += p.time();
              for (Item it; (it = ir.next()) != null; ) {
                ser.serialize(it);
                ++hits;
                checkStop();
              }
            }
          }
          qp.close();
          info.serializing += p.time();
        }
        // dump some query info
        // out.flush();

        // remove string list if global locking is used and if query is updating
        if (soptions.get(StaticOptions.GLOBALLOCK) && qp.updating) {
          info.readLocked = null;
          info.writeLocked = null;
        }
        return info(info.toString(qp, out.size(), hits, options.get(MainOptions.QUERYINFO)));

      } catch (final QueryException | IOException ex) {
        exception = ex;
        error = Util.message(ex);
      } catch (final ProcException ex) {
        error = INTERRUPTED;
      } catch (final StackOverflowError ex) {
        Util.debug(ex);
        error = BASX_STACKOVERFLOW.desc;
      } catch (final RuntimeException ex) {
        extError("");
        Util.debug(info());
        throw ex;
      } finally {
        // close processor after exceptions
        if (qp != null) qp.close();
      }
    }
    return extError(error);
  }
Beispiel #4
0
  /**
   * Adds items to the specified list.
   *
   * @param value value
   * @param name name
   * @param list list to add values to
   * @throws QueryException HTTP exception
   */
  private void strings(final Value value, final QNm name, final StringList list)
      throws QueryException {

    final long vs = value.size();
    for (int v = 0; v < vs; v++) list.add(toString(value.itemAt(v), name));
  }