Package org.apache.lucene.facet

Examples of org.apache.lucene.facet.FacetsCollector

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    SortedSetDocValuesReaderState state = new DefaultSortedSetDocValuesReaderState(indexReader);

    // Now user drills down on Publish Year/2010:
    DrillDownQuery q = new DrillDownQuery(config);
    q.add("Publish Year", "2010");
    FacetsCollector fc = new FacetsCollector();
    FacetsCollector.search(searcher, q, 10, fc);

    // Retrieve results
    Facets facets = new SortedSetDocValuesFacetCounts(state, fc);
    FacetResult result = facets.getTopChildren(10, "Author");
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  }

  /** User runs a query and counts facets. */
  public FacetResult search() throws IOException {

    FacetsCollector fc = new FacetsCollector();

    searcher.search(new MatchAllDocsQuery(), fc);

    Facets facets = new DoubleRangeFacetCounts("field", getDistanceValueSource(), fc,
                                               getBoundingBoxFilter(ORIGIN_LATITUDE, ORIGIN_LONGITUDE, 10.0),
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  private List<FacetResult> sumAssociations() throws IOException {
    DirectoryReader indexReader = DirectoryReader.open(indexDir);
    IndexSearcher searcher = new IndexSearcher(indexReader);
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoDir);
   
    FacetsCollector fc = new FacetsCollector();
   
    // MatchAllDocsQuery is for "browsing" (counts facets
    // for all non-deleted docs in the index); normally
    // you'd use a "normal" query:
    FacetsCollector.search(searcher, new MatchAllDocsQuery(), 10, fc);
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    // documents ("browse only"):
    DrillDownQuery q = new DrillDownQuery(config);

    // Now user drills down on Publish Date/2010:
    q.add("tags", "solr");
    FacetsCollector fc = new FacetsCollector();
    FacetsCollector.search(searcher, q, 10, fc);

    // Retrieve results
    Facets facets = new TaxonomyFacetSumFloatAssociations("$genre", taxoReader, config, fc);
    FacetResult result = facets.getTopChildren(10, "genre");
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    // test the collector w/ FacetRequests and different numResults
    DirectoryReader indexReader = DirectoryReader.open(indexDir);
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoDir);
    IndexSearcher searcher = newSearcher(indexReader);
   
    FacetsCollector sfc = new FacetsCollector();
    TermQuery q = new TermQuery(A);
    searcher.search(q, sfc);
    Facets facets = getTaxonomyFacetCounts(taxoReader, getConfig(), sfc);
    FacetResult result = facets.getTopChildren(NUM_CHILDREN_CP_A, CP_A);
    assertEquals(-1, result.value.intValue());
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  public void testAllCounts() throws Exception {
    DirectoryReader indexReader = DirectoryReader.open(indexDir);
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoDir);
    IndexSearcher searcher = newSearcher(indexReader);
   
    FacetsCollector sfc = new FacetsCollector();
    searcher.search(new MatchAllDocsQuery(), sfc);

    Facets facets = getTaxonomyFacetCounts(taxoReader, getConfig(), sfc);
   
    FacetResult result = facets.getTopChildren(NUM_CHILDREN_CP_A, CP_A);
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  public void testBigNumResults() throws Exception {
    DirectoryReader indexReader = DirectoryReader.open(indexDir);
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoDir);
    IndexSearcher searcher = newSearcher(indexReader);
   
    FacetsCollector sfc = new FacetsCollector();
    searcher.search(new MatchAllDocsQuery(), sfc);

    Facets facets = getTaxonomyFacetCounts(taxoReader, getConfig(), sfc);

    FacetResult result = facets.getTopChildren(Integer.MAX_VALUE, CP_A);
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  public void testNoParents() throws Exception {
    DirectoryReader indexReader = DirectoryReader.open(indexDir);
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoDir);
    IndexSearcher searcher = newSearcher(indexReader);
   
    FacetsCollector sfc = new FacetsCollector();
    searcher.search(new MatchAllDocsQuery(), sfc);

    Facets facets = getTaxonomyFacetCounts(taxoReader, getConfig(), sfc);

    FacetResult result = facets.getTopChildren(NUM_CHILDREN_CP_C, CP_C);
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  private List<FacetResult> search() throws IOException {
    DirectoryReader indexReader = DirectoryReader.open(indexDir);
    IndexSearcher searcher = new IndexSearcher(indexReader);
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoDir);

    FacetsCollector fc = new FacetsCollector();

    // MatchAllDocsQuery is for "browsing" (counts facets
    // for all non-deleted docs in the index); normally
    // you'd use a "normal" query:
    FacetsCollector.search(searcher, new MatchAllDocsQuery(), 10, fc);
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    // documents ("browse only"):
    DrillDownQuery q = new DrillDownQuery(config);

    // Now user drills down on Publish Date/2010:
    q.add("Publish Date", "2010");
    FacetsCollector fc = new FacetsCollector();
    FacetsCollector.search(searcher, q, 10, fc);

    // Retrieve results
    Facets facets = new FastTaxonomyFacetCounts(taxoReader, config, fc);
    FacetResult result = facets.getTopChildren(10, "Author");
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Related Classes of org.apache.lucene.facet.FacetsCollector

  • org.apache.lucene.demo.facet.AssociationsFacetsExample
  • org.apache.lucene.demo.facet.DistanceFacetsExample
  • org.apache.lucene.demo.facet.ExpressionAggregationFacetsExample
  • org.apache.lucene.demo.facet.MultiCategoryListsFacetsExample
  • org.apache.lucene.demo.facet.RangeFacetsExample
  • org.apache.lucene.demo.facet.SimpleFacetsExample
  • org.apache.lucene.demo.facet.SimpleSortedSetFacetsExample
  • org.apache.lucene.facet.range.TestRangeFacetCounts
  • org.apache.lucene.facet.sortedset.TestSortedSetDocValuesFacets
  • org.apache.lucene.facet.taxonomy.TestSearcherTaxonomyManager
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