Exemplo n.º 1
0
  /**
   * Checks if the predicates are successful for the specified item.
   *
   * @param it item to be checked
   * @param qc query context
   * @return result of check
   * @throws QueryException query exception
   */
  protected final boolean preds(final Item it, final QueryContext qc) throws QueryException {
    if (preds.length == 0) return true;

    // set context value and position
    final Value cv = qc.value;
    try {
      if (qc.scoring) {
        double s = 0;
        for (final Expr p : preds) {
          qc.value = it;
          final Item i = p.test(qc, info);
          if (i == null) return false;
          s += i.score();
        }
        it.score(Scoring.avg(s, preds.length));
      } else {
        for (final Expr p : preds) {
          qc.value = it;
          if (p.test(qc, info) == null) return false;
        }
      }
      return true;
    } finally {
      qc.value = cv;
    }
  }
Exemplo n.º 2
0
  /**
   * Checks if the predicates are successful for the specified item.
   *
   * @param it item to be checked
   * @param ctx query context
   * @return result of check
   * @throws QueryException query exception
   */
  public boolean preds(final Item it, final QueryContext ctx) throws QueryException {

    // set context item and position
    ctx.value = it;
    for (final Expr p : pred) {
      final Item i = p.test(ctx, input);
      if (i == null) return false;
      // item accepted.. adopt last scoring value
      it.score(i.score());
    }
    return true;
  }