Package org.apache.lucene.search

Examples of org.apache.lucene.search.TopScoreDocCollector

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    // step 1: collect matching documents into a collector
    Query q = new TermQuery(new Term(SimpleUtils.TEXT,"white"));
    ExampleUtils.log("Query: "+q);
   
    // regular collector for scoring matched documents
    TopScoreDocCollector topDocsCollector = TopScoreDocCollector.create(10, true);
   
    // docids collector for guiding facets accumulation (scoring disabled)
    ScoredDocIdCollector docIdsCollecor = ScoredDocIdCollector.create(indexReader.maxDoc(), false);
   
    // Faceted search parameters indicate which facets are we interested in
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          System.out.println("joinQuery=" + joinQuery);
        }

        // Need to know all documents that have matches. TopDocs doesn't give me that and then I'd be also testing TopDocsCollector...
        final FixedBitSet actualResult = new FixedBitSet(indexSearcher.getIndexReader().maxDoc());
        final TopScoreDocCollector topScoreDocCollector = TopScoreDocCollector.create(10, false);
        indexSearcher.search(joinQuery, new Collector() {

          int docBase;

          @Override
          public void collect(int doc) throws IOException {
            actualResult.set(doc + docBase);
            topScoreDocCollector.collect(doc);
          }

          @Override
          public void setNextReader(AtomicReaderContext context) {
            docBase = context.docBase;
            topScoreDocCollector.setNextReader(context);
          }

          @Override
          public void setScorer(Scorer scorer) throws IOException {
            topScoreDocCollector.setScorer(scorer);
          }

          @Override
          public boolean acceptsDocsOutOfOrder() {
            return scoreDocsInOrder;
          }
        });
        // Asserting bit set...
        if (VERBOSE) {
          System.out.println("expected cardinality:" + expectedResult.cardinality());
          DocIdSetIterator iterator = expectedResult.iterator();
          for (int doc = iterator.nextDoc(); doc != DocIdSetIterator.NO_MORE_DOCS; doc = iterator.nextDoc()) {
            System.out.println(String.format(Locale.ROOT, "Expected doc[%d] with id value %s", doc, indexSearcher.doc(doc).get("id")));
          }
          System.out.println("actual cardinality:" + actualResult.cardinality());
          iterator = actualResult.iterator();
          for (int doc = iterator.nextDoc(); doc != DocIdSetIterator.NO_MORE_DOCS; doc = iterator.nextDoc()) {
            System.out.println(String.format(Locale.ROOT, "Actual doc[%d] with id value %s", doc, indexSearcher.doc(doc).get("id")));
          }
        }
        assertEquals(expectedResult, actualResult);

        // Asserting TopDocs...
        TopDocs expectedTopDocs = createExpectedTopDocs(randomValue, from, scoreMode, context);
        TopDocs actualTopDocs = topScoreDocCollector.topDocs();
        assertEquals(expectedTopDocs.totalHits, actualTopDocs.totalHits);
        assertEquals(expectedTopDocs.scoreDocs.length, actualTopDocs.scoreDocs.length);
        if (scoreMode == ScoreMode.None) {
          continue;
        }
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   */
  public static void doPagingSearch(BufferedReader in, Searcher searcher, Query query,
                                     int hitsPerPage, boolean raw, boolean interactive) throws IOException {
    // Collect enough docs to show 5 pages
    TopScoreDocCollector collector = TopScoreDocCollector.create(
        5 * hitsPerPage, false);
    searcher.search(query, collector);
    ScoreDoc[] hits = collector.topDocs().scoreDocs;
   
    int numTotalHits = collector.getTotalHits();
    System.out.println(numTotalHits + " total matching documents");

    int start = 0;
    int end = Math.min(numTotalHits, hitsPerPage);
       
    while (true) {
      if (end > hits.length) {
        System.out.println("Only results 1 - " + hits.length +" of " + numTotalHits + " total matching documents collected.");
        System.out.println("Collect more (y/n) ?");
        String line = in.readLine();
        if (line.length() == 0 || line.charAt(0) == 'n') {
          break;
        }

        collector = TopScoreDocCollector.create(numTotalHits, false);
        searcher.search(query, collector);
        hits = collector.topDocs().scoreDocs;
      }
     
      end = Math.min(hits.length, start + hitsPerPage);
     
      for (int i = start; i < end; i++) {
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    // step 1: create a query for finding matching documents for which we
    // accumulate facets
    Query q = new TermQuery(new Term(SimpleUtils.TEXT, "Quis"));
    ExampleUtils.log("Query: " + q);

    TopScoreDocCollector topDocsCollector = TopScoreDocCollector.create(10,
        true);

    // Faceted search parameters indicate which facets are we interested in
    FacetSearchParams facetSearchParams = new FacetSearchParams(iParams);
    facetSearchParams.addFacetRequest(new CountFacetRequest(
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    private int doSearch(String searchPhrase, int maxNumberOfHits, Version luenceVersion) throws NullPointerException, ParseException, IOException {
        LOG.trace("*** Search Phrase: {} ***", searchPhrase);

        QueryParser parser = new QueryParser(luenceVersion, "contents", analyzer);
        Query query = parser.parse(searchPhrase);
        TopScoreDocCollector collector = TopScoreDocCollector.create(maxNumberOfHits, true);
        indexSearcher.search(query, collector);
        hits = collector.topDocs().scoreDocs;
       
        LOG.trace("*** Search generated {} hits ***", hits.length);
        return hits.length;
    }
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      public FacetsAggregator getAggregator() {
        return new SumScoreFacetsAggregator();
      }
    };
    FacetsCollector fc = FacetsCollector.create(fa);
    TopScoreDocCollector topDocs = TopScoreDocCollector.create(10, false);
    ConstantScoreQuery csq = new ConstantScoreQuery(new MatchAllDocsQuery());
    csq.setBoost(2.0f);
   
    newSearcher(r).search(csq, MultiCollector.wrap(fc, topDocs));
   
    List<FacetResult> res = fc.getFacetResults();
    float value = (float) res.get(0).getFacetResultNode().value;
    TopDocs td = topDocs.topDocs();
    int expected = (int) (td.getMaxScore() * td.totalHits);
    assertEquals(expected, (int) value);
   
    IOUtils.close(taxo, taxoDir, r, indexDir);
  }
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    FacetSearchParams sParams = new FacetSearchParams(fip,
        new CountFacetRequest(new CategoryPath("a"), 10),
        new SumScoreFacetRequest(new CategoryPath("b"), 10));
   
    FacetsCollector fc = FacetsCollector.create(sParams, r, taxo);
    TopScoreDocCollector topDocs = TopScoreDocCollector.create(10, false);
    newSearcher(r).search(new MatchAllDocsQuery(), MultiCollector.wrap(fc, topDocs));
   
    List<FacetResult> facetResults = fc.getFacetResults();
    FacetResult fresA = facetResults.get(0);
    assertEquals("unexpected count for " + fresA, r.maxDoc(), (int) fresA.getFacetResultNode().value);
   
    FacetResult fresB = facetResults.get(1);
    double expected = topDocs.topDocs().getMaxScore() * r.numDocs();
    assertEquals("unexpected value for " + fresB, expected, fresB.getFacetResultNode().value, 1E-10);
   
    IOUtils.close(taxo, taxoDir, r, indexDir);
  }
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        final Index index = getConfig().getIndexManager().get( org.uberfire.metadata.io.KObjectUtil.toKCluster( basePath.getFileSystem() ) );

        //Enumerations using org.drools.workbench.screens.enums.backend.server.indexing.classes.Applicant
        {
            final IndexSearcher searcher = ( (LuceneIndex) index ).nrtSearcher();
            final TopScoreDocCollector collector = TopScoreDocCollector.create( 10,
                                                                                true );
            final Query query = new QueryBuilder().addTerm( new ValueTypeIndexTerm( "org.drools.workbench.screens.enums.backend.server.indexing.classes.Applicant" ) ).build();

            searcher.search( query,
                             collector );
            final ScoreDoc[] hits = collector.topDocs().scoreDocs;
            assertEquals( 2,
                          hits.length );

            final List<KObject> results = new ArrayList<KObject>();
            for ( int i = 0; i < hits.length; i++ ) {
                results.add( KObjectUtil.toKObject( searcher.doc( hits[ i ].doc ) ) );
            }
            assertContains( results,
                            path1 );
            assertContains( results,
                            path2 );

            ( (LuceneIndex) index ).nrtRelease( searcher );
        }

        //Enumerations using org.drools.workbench.screens.enums.backend.server.indexing.classes.Mortgage
        {
            final IndexSearcher searcher = ( (LuceneIndex) index ).nrtSearcher();
            final TopScoreDocCollector collector = TopScoreDocCollector.create( 10,
                                                                                true );
            final Query query = new QueryBuilder().addTerm( new ValueTypeIndexTerm( "org.drools.workbench.screens.enums.backend.server.indexing.classes.Mortgage" ) ).build();

            searcher.search( query,
                             collector );
            final ScoreDoc[] hits = collector.topDocs().scoreDocs;
            assertEquals( 1,
                          hits.length );

            final List<KObject> results = new ArrayList<KObject>();
            for ( int i = 0; i < hits.length; i++ ) {
                results.add( KObjectUtil.toKObject( searcher.doc( hits[ i ].doc ) ) );
            }
            assertContains( results,
                            path2 );

            ( (LuceneIndex) index ).nrtRelease( searcher );
        }

        //Enumerations using org.drools.workbench.screens.enums.backend.server.indexing.classes.Mortgage#amount
        {
            final IndexSearcher searcher = ( (LuceneIndex) index ).nrtSearcher();
            final TopScoreDocCollector collector = TopScoreDocCollector.create( 10,
                                                                                true );
            final Query query = new QueryBuilder().addTerm( new ValueTypeIndexTerm( "org.drools.workbench.screens.enums.backend.server.indexing.classes.Mortgage" ) ).addTerm( new ValueFieldIndexTerm( "amount" ) ).build();

            searcher.search( query,
                             collector );
            final ScoreDoc[] hits = collector.topDocs().scoreDocs;
            assertEquals( 1,
                          hits.length );

            final List<KObject> results = new ArrayList<KObject>();
            for ( int i = 0; i < hits.length; i++ ) {
                results.add( KObjectUtil.toKObject( searcher.doc( hits[ i ].doc ) ) );
            }
            assertContains( results,
                            path2 );

            ( (LuceneIndex) index ).nrtRelease( searcher );
        }

        //Enumerations using java.lang.Integer
        {
            final IndexSearcher searcher = ( (LuceneIndex) index ).nrtSearcher();
            final TopScoreDocCollector collector = TopScoreDocCollector.create( 10,
                                                                                true );
            final Query query = new QueryBuilder().addTerm( new ValueTypeIndexTerm( "java.lang.Integer" ) ).build();

            searcher.search( query,
                             collector );
            final ScoreDoc[] hits = collector.topDocs().scoreDocs;
            assertEquals( 2,
                          hits.length );

            final List<KObject> results = new ArrayList<KObject>();
            for ( int i = 0; i < hits.length; i++ ) {
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        final Index index = getConfig().getIndexManager().get( org.uberfire.metadata.io.KObjectUtil.toKCluster( basePath.getFileSystem() ) );

        {
            final IndexSearcher searcher = ( (LuceneIndex) index ).nrtSearcher();
            final TopScoreDocCollector collector = TopScoreDocCollector.create( 10,
                                                                                true );
            final Query query = new QueryBuilder().addTerm( new ValueTypeIndexTerm( "java.util.ArrayList" ) ).build();

            searcher.search( query,
                             collector );
            final ScoreDoc[] hits = collector.topDocs().scoreDocs;
            assertEquals( 2,
                          hits.length );

            final List<KObject> results = new ArrayList<KObject>();
            for ( int i = 0; i < hits.length; i++ ) {
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        final Index index = getConfig().getIndexManager().get( org.kie.uberfire.metadata.io.KObjectUtil.toKCluster( basePath.getFileSystem() ) );

        //Enumerations using org.drools.workbench.screens.enums.backend.server.indexing.classes.Applicant
        {
            final IndexSearcher searcher = ( (LuceneIndex) index ).nrtSearcher();
            final TopScoreDocCollector collector = TopScoreDocCollector.create( 10,
                                                                                true );
            final Query query = new QueryBuilder().addTerm( new ValueTypeIndexTerm( "org.drools.workbench.screens.enums.backend.server.indexing.classes.Applicant" ) ).build();

            searcher.search( query,
                             collector );
            final ScoreDoc[] hits = collector.topDocs().scoreDocs;
            assertEquals( 2,
                          hits.length );

            final List<KObject> results = new ArrayList<KObject>();
            for ( int i = 0; i < hits.length; i++ ) {
                results.add( KObjectUtil.toKObject( searcher.doc( hits[ i ].doc ) ) );
            }
            assertContains( results,
                            path1 );
            assertContains( results,
                            path2 );

            ( (LuceneIndex) index ).nrtRelease( searcher );
        }

        //Enumerations using org.drools.workbench.screens.enums.backend.server.indexing.classes.Mortgage
        {
            final IndexSearcher searcher = ( (LuceneIndex) index ).nrtSearcher();
            final TopScoreDocCollector collector = TopScoreDocCollector.create( 10,
                                                                                true );
            final Query query = new QueryBuilder().addTerm( new ValueTypeIndexTerm( "org.drools.workbench.screens.enums.backend.server.indexing.classes.Mortgage" ) ).build();

            searcher.search( query,
                             collector );
            final ScoreDoc[] hits = collector.topDocs().scoreDocs;
            assertEquals( 1,
                          hits.length );

            final List<KObject> results = new ArrayList<KObject>();
            for ( int i = 0; i < hits.length; i++ ) {
                results.add( KObjectUtil.toKObject( searcher.doc( hits[ i ].doc ) ) );
            }
            assertContains( results,
                            path2 );

            ( (LuceneIndex) index ).nrtRelease( searcher );
        }

        //Enumerations using org.drools.workbench.screens.enums.backend.server.indexing.classes.Mortgage#amount
        {
            final IndexSearcher searcher = ( (LuceneIndex) index ).nrtSearcher();
            final TopScoreDocCollector collector = TopScoreDocCollector.create( 10,
                                                                                true );
            final Query query = new QueryBuilder().addTerm( new ValueTypeIndexTerm( "org.drools.workbench.screens.enums.backend.server.indexing.classes.Mortgage" ) ).addTerm( new ValueFieldIndexTerm( "amount" ) ).build();

            searcher.search( query,
                             collector );
            final ScoreDoc[] hits = collector.topDocs().scoreDocs;
            assertEquals( 1,
                          hits.length );

            final List<KObject> results = new ArrayList<KObject>();
            for ( int i = 0; i < hits.length; i++ ) {
                results.add( KObjectUtil.toKObject( searcher.doc( hits[ i ].doc ) ) );
            }
            assertContains( results,
                            path2 );

            ( (LuceneIndex) index ).nrtRelease( searcher );
        }

        //Enumerations using java.lang.Integer
        {
            final IndexSearcher searcher = ( (LuceneIndex) index ).nrtSearcher();
            final TopScoreDocCollector collector = TopScoreDocCollector.create( 10,
                                                                                true );
            final Query query = new QueryBuilder().addTerm( new ValueTypeIndexTerm( "java.lang.Integer" ) ).build();

            searcher.search( query,
                             collector );
            final ScoreDoc[] hits = collector.topDocs().scoreDocs;
            assertEquals( 2,
                          hits.length );

            final List<KObject> results = new ArrayList<KObject>();
            for ( int i = 0; i < hits.length; i++ ) {
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