Package org.apache.lucene.search

Examples of org.apache.lucene.search.TopFieldDocs

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    SimpleBindings bindings = new SimpleBindings();   
    bindings.add(new SortField("_score", SortField.Type.SCORE));
   
    Sort sort = new Sort(expr.getSortField(bindings, true));
    Query query = new TermQuery(new Term("body", "contents"));
    TopFieldDocs td = searcher.search(query, null, 3, sort, true, true);
    for (int i = 0; i < 3; i++) {
      FieldDoc d = (FieldDoc) td.scoreDocs[i];
      float expected = (float) Math.sqrt(d.score);
      float actual = ((Double)d.fields[0]).floatValue();
      assertEquals(expected, actual, CheckHits.explainToleranceDelta(expected, actual));
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    SimpleBindings bindings = new SimpleBindings();   
    bindings.add(new SortField("_score", SortField.Type.SCORE));
   
    Sort sort = new Sort(expr.getSortField(bindings, true));
    Query query = new TermQuery(new Term("body", "contents"));
    TopFieldDocs td = searcher.search(query, null, 3, sort, true, true);
    for (int i = 0; i < 3; i++) {
      FieldDoc d = (FieldDoc) td.scoreDocs[i];
      float expected = 2*d.score;
      float actual = ((Double)d.fields[0]).floatValue();
      assertEquals(expected, actual, CheckHits.explainToleranceDelta(expected, actual));
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    bindings.add(new SortField("_score", SortField.Type.SCORE));
    bindings.add("expr1", expr1);
   
    Sort sort = new Sort(expr2.getSortField(bindings, true));
    Query query = new TermQuery(new Term("body", "contents"));
    TopFieldDocs td = searcher.search(query, null, 3, sort, true, true);
    for (int i = 0; i < 3; i++) {
      FieldDoc d = (FieldDoc) td.scoreDocs[i];
      float expected = 2*d.score;
      float actual = ((Double)d.fields[0]).floatValue();
      assertEquals(expected, actual, CheckHits.explainToleranceDelta(expected, actual));
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    }
   
    Expression expr = JavascriptCompiler.compile(sb.toString());
    Sort sort = new Sort(expr.getSortField(bindings, true));
    Query query = new TermQuery(new Term("body", "contents"));
    TopFieldDocs td = searcher.search(query, null, 3, sort, true, true);
    for (int i = 0; i < 3; i++) {
      FieldDoc d = (FieldDoc) td.scoreDocs[i];
      float expected = n*d.score;
      float actual = ((Double)d.fields[0]).floatValue();
      assertEquals(expected, actual, CheckHits.explainToleranceDelta(expected, actual));
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    Expression distance = JavascriptCompiler.compile("haversin(40.7143528,-74.0059731,latitude,longitude)");
    SimpleBindings bindings = new SimpleBindings();
    bindings.add(new SortField("latitude", SortField.Type.DOUBLE));
    bindings.add(new SortField("longitude", SortField.Type.DOUBLE));
    Sort sort = new Sort(distance.getSortField(bindings, false));
    TopFieldDocs td = searcher.search(new MatchAllDocsQuery(), null, 3, sort);
   
    FieldDoc d = (FieldDoc) td.scoreDocs[0];
    assertEquals(0.4621D, (Double)d.fields[0], 1E-4);
   
    d = (FieldDoc) td.scoreDocs[1];
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    // Sort by field ascending, order first
    ToParentBlockJoinSortField sortField = new ToParentBlockJoinSortField(
        "field2", SortField.Type.STRING, false, wrap(parentFilter), wrap(childFilter)
    );
    Sort sort = new Sort(sortField);
    TopFieldDocs topDocs = searcher.search(query, 5, sort);
    assertEquals(7, topDocs.totalHits);
    assertEquals(5, topDocs.scoreDocs.length);
    assertEquals(3, topDocs.scoreDocs[0].doc);
    assertEquals("a", ((BytesRef) ((FieldDoc) topDocs.scoreDocs[0]).fields[0]).utf8ToString());
    assertEquals(7, topDocs.scoreDocs[1].doc);
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            queueSize *= results.size();
        }
        PriorityQueue queue;
        if (queryResultProvider.queryResult().topDocs() instanceof TopFieldDocs) {
            // sorting, first if the type is a String, chance CUSTOM to STRING so we handle nulls properly (since our CUSTOM String sorting might return null)
            TopFieldDocs fieldDocs = (TopFieldDocs) queryResultProvider.queryResult().topDocs();
            for (int i = 0; i < fieldDocs.fields.length; i++) {
                boolean allValuesAreNull = true;
                boolean resolvedField = false;
                for (QuerySearchResultProvider resultProvider : results) {
                    for (ScoreDoc doc : resultProvider.queryResult().topDocs().scoreDocs) {
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            return InternalSearchResponse.EMPTY;
        }

        if (querySearchResult.topDocs() instanceof TopFieldDocs) {
            sorted = true;
            TopFieldDocs fieldDocs = (TopFieldDocs) querySearchResult.queryResult().topDocs();
            for (int i = 0; i < fieldDocs.fields.length; i++) {
                if (fieldDocs.fields[i].getType() == SortField.SCORE) {
                    sortScoreIndex = i;
                }
            }
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        if(sort == null) {
          sort = new Sort(sortSpecification.getSortFields());
          sortCache.put(fieldKey, sort);
        }
        searcher.setDefaultFieldSortScoring(true, true);
        TopFieldDocs topFieldDocs = searcher.search(booleanQuery, null, to, sort);
        hits = topFieldDocs.scoreDocs;
      } else {
        TopScoreDocCollector collector = TopScoreDocCollector.create(to, true);
        searcher.search(booleanQuery, collector);
        hits = collector.topDocs().scoreDocs;
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    // Sort by field ascending, order first
    ToParentBlockJoinSortField sortField = new ToParentBlockJoinSortField(
        "field2", SortField.Type.STRING, false, wrap(parentFilter), wrap(childFilter)
    );
    Sort sort = new Sort(sortField);
    TopFieldDocs topDocs = searcher.search(query, 5, sort);
    assertEquals(7, topDocs.totalHits);
    assertEquals(5, topDocs.scoreDocs.length);
    assertEquals(3, topDocs.scoreDocs[0].doc);
    assertEquals("a", ((BytesRef) ((FieldDoc) topDocs.scoreDocs[0]).fields[0]).utf8ToString());
    assertEquals(7, topDocs.scoreDocs[1].doc);
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