コード例 #1
0
    @Override
    public Explanation explain(AtomicReaderContext context, int doc) throws IOException {
      Scorer scorer = scorer(context, context.reader().getLiveDocs());
      if (scorer != null) {
        int newDoc = scorer.advance(doc);
        if (newDoc == doc) {
          float score = scorer.score();
          ComplexExplanation result = new ComplexExplanation();
          result.setDescription("ImageHashLimitQuery, product of:");
          result.setValue(score);
          if (getBoost() != 1.0f) {
            result.addDetail(new Explanation(getBoost(), "boost"));
            score = score / getBoost();
          }
          result.addDetail(new Explanation(score, "image score (1/distance)"));
          result.setMatch(true);
          return result;
        }
      }

      return new ComplexExplanation(false, 0.0f, "no matching term");
    }