Package org.apache.lucene.search

Examples of org.apache.lucene.search.TopFieldDocs

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        sort = new Sort(Lucene.created.asSortField(desc));
      } else {
        sort = new Sort(Lucene.fromString(sortBy).asSortField(desc));
      }
      int maxSize = 5000;
      TopFieldDocs docs = searcher.search(rewrittenQuery, null, maxSize, sort, false, false);
      int size = (pageSize <= 0) ? maxSize : pageSize;
      int offset = Math.max(0, (page - 1) * size);
      ScoreDoc[] hits = subset(docs.scoreDocs, offset, size);
      for (int i = 0; i < hits.length; i++) {
        int docId = hits[i].doc;
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            QueryParser qparser = new QueryParser(QueryBuilder.PATH, new CompatibleAnalyser());
            Query query;
            ScoreDoc[] hits = null;
            try {
                query = qparser.parse(path);
                TopFieldDocs fdocs = searcher.search(query, null, hitsPerPage * cachePages, sort);
                fdocs = searcher.search(query, null, fdocs.totalHits, sort);
                hits = fdocs.scoreDocs;
            } catch (ParseException e) {
                OpenGrokLogger.getLogger().log(Level.WARNING, "An error occured while parsing search query", e);
            }
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    public SearchHelper executeQuery() {
        if (redirect != null || errorMsg != null) {
            return this;
        }
        try {
            TopFieldDocs fdocs = searcher.search(query, null, start + maxItems, sort);
            totalHits = fdocs.totalHits;
            hits = fdocs.scoreDocs;
            // Bug #3900: Check if this is a search for a single term, and that
            // term is a definition. If that's the case, and we only have one match,
            // we'll generate a direct link instead of a listing.
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              reader = newReader;
            }
          }

          final long t1 = System.currentTimeMillis();
          final TopFieldDocs hits = new IndexSearcher(reader).search(query, null, 10, sort);
          final long t2 = System.currentTimeMillis();
          System.out.println("nrt: open " + (t1-t0) + " msec; search " + (t2-t1) + " msec, " + hits.totalHits +
                             " results; " + reader.numDocs() + " docs");

          final long t4 = System.currentTimeMillis();
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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(0.4619D, (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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