Package org.apache.lucene.search

Examples of org.apache.lucene.search.ComplexExplanation

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          // would be a good idea
          String field = ((SpanQuery)getQuery()).getField();
          Explanation payloadExpl = function.explain(doc, field, scorer.payloadsSeen, scorer.payloadScore);
          payloadExpl.setValue(scorer.getPayloadScore());
          // combined
          ComplexExplanation result = new ComplexExplanation();
          if (includeSpanScore) {
            result.addDetail(expl);
            result.addDetail(payloadExpl);
            result.setValue(expl.getValue() * payloadExpl.getValue());
            result.setDescription("btq, product of:");
          } else {
            result.addDetail(payloadExpl);
            result.setValue(payloadExpl.getValue());
            result.setDescription("btq(includeSpanScore=false), result of:");
          }
          result.setMatch(true); // LUCENE-1303
          return result;
        }
      }
     
      return new ComplexExplanation(false, 0.0f, "no matching term");
    }
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      for(int i = 0; i < valSrcWeights.length; i++) {
        valSrcExpls[i] = valSrcWeights[i].explain(info, doc);
      }
      Explanation customExp = CustomScoreQuery.this.getCustomScoreProvider(info).customExplain(doc,subQueryExpl,valSrcExpls);
      float sc = getBoost() * customExp.getValue();
      Explanation res = new ComplexExplanation(
        true, sc, CustomScoreQuery.this.toString() + ", product of:");
      res.addDetail(customExp);
      res.addDetail(new Explanation(getBoost(), "queryBoost")); // actually using the q boost as q weight (== weight value)
      return res;
    }
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      if (scorer != null) {
        if (scorer.advance(doc) == doc) {
          return scorer.explain(context.docBase);
        }
      }
      return new ComplexExplanation(false, 0.0f, "Not a match");
    }
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    }

    public Explanation explain(int docBase) throws IOException {
      int start = docBase + prevParentDoc + 1; // +1 b/c prevParentDoc is previous parent doc
      int end = docBase + parentDoc - 1; // -1 b/c parentDoc is parent doc
      return new ComplexExplanation(
          true, score(), String.format(Locale.ROOT, "Score based on child doc range from %d to %d", start, end)
      );
    }
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        if (scorer != null) {
          if (scorer.advanceForExplainOnly(doc) == doc) {
            return scorer.explain();
          }
        }
        return new ComplexExplanation(false, 0.0f, "Not a match");
      }

      @Override
      public Query getQuery() {
        return TermsIncludingScoreQuery.this;
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    public float score() throws IOException {
      return scores[ords[scoreUpto]];
    }

    public Explanation explain() throws IOException {
      return new ComplexExplanation(true, score(), "Score based on join value " + termsEnum.term().utf8ToString());
    }
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          expl.setValue(scoreExplanation.getValue());
          String field = ((SpanQuery)getQuery()).getField();
          // now the payloads part
          Explanation payloadExpl = function.explain(doc, field, scorer.payloadsSeen, scorer.payloadScore);
          // combined
          ComplexExplanation result = new ComplexExplanation();
          result.addDetail(expl);
          result.addDetail(payloadExpl);
          result.setValue(expl.getValue() * payloadExpl.getValue());
          result.setDescription("PayloadNearQuery, product of:");
          return result;
        }
      }
     
      return new ComplexExplanation(false, 0.0f, "no matching term");
    }
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          // would be a good idea
          String field = ((SpanQuery)getQuery()).getField();
          Explanation payloadExpl = function.explain(doc, field, scorer.payloadsSeen, scorer.payloadScore);
          payloadExpl.setValue(scorer.getPayloadScore());
          // combined
          ComplexExplanation result = new ComplexExplanation();
          if (includeSpanScore) {
            result.addDetail(expl);
            result.addDetail(payloadExpl);
            result.setValue(expl.getValue() * payloadExpl.getValue());
            result.setDescription("btq, product of:");
          } else {
            result.addDetail(payloadExpl);
            result.setValue(payloadExpl.getValue());
            result.setDescription("btq(includeSpanScore=false), result of:");
          }
          result.setMatch(true); // LUCENE-1303
          return result;
        }
      }
     
      return new ComplexExplanation(false, 0.0f, "no matching term");
    }
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      for(int i = 0; i < valSrcScorers.length; i++) {
        valSrcExpls[i] = valSrcScorers[i].explain(doc);
      }
      Explanation customExp = customExplain(doc,subQueryExpl,valSrcExpls);
      float sc = qWeight * customExp.getValue();
      Explanation res = new ComplexExplanation(
        true, sc, CustomScoreQuery.this.toString() + ", product of:");
      res.addDetail(customExp);
      res.addDetail(new Explanation(qWeight, "queryBoost")); // actually using the q boost as q weight (== weight value)
      return res;
    }
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      protected float getPayloadScore() {
        return function.docScore(doc, term.field(), payloadsSeen, payloadScore);
      }

      public Explanation explain(final int doc) throws IOException {
        ComplexExplanation result = new ComplexExplanation();
        Explanation nonPayloadExpl = super.explain(doc);
        result.addDetail(nonPayloadExpl);
        // QUESTION: Is there a way to avoid this skipTo call? We need to know
        // whether to load the payload or not
        Explanation payloadBoost = new Explanation();
        result.addDetail(payloadBoost);

        float payloadScore = getPayloadScore();
        payloadBoost.setValue(payloadScore);
        // GSI: I suppose we could toString the payload, but I don't think that
        // would be a good idea
        payloadBoost.setDescription("scorePayload(...)");
        result.setValue(nonPayloadExpl.getValue() * payloadScore);
        result.setDescription("btq, product of:");
        result.setMatch(nonPayloadExpl.getValue() == 0 ? Boolean.FALSE
            : Boolean.TRUE); // LUCENE-1303
        return result;
      }
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Related Classes of org.apache.lucene.search.ComplexExplanation

  • com.greplin.lucene.query.MatchNoDocsQuery$MatchNoDocsWeight
  • com.senseidb.search.query.MatchNoneDocsQuery$MatchNoneDocsWeight
  • org.apache.lucene.queries.CustomScoreQuery$CustomWeight
  • org.apache.lucene.search.function.CustomScoreQuery$CustomScorer
  • org.apache.lucene.search.function.CustomScoreQuery$CustomWeight
  • org.apache.lucene.search.function.ValueSourceQuery$ValueSourceScorer
  • org.apache.lucene.search.join.TermsIncludingScoreQuery
  • org.apache.lucene.search.join.TermsIncludingScoreQuery$SVInnerScorer
  • org.apache.lucene.search.join.ToParentBlockJoinQuery$BlockJoinScorer
  • org.apache.lucene.search.join.ToParentBlockJoinQuery$BlockJoinWeight
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