Package org.apache.lucene.facet.taxonomy

Examples of org.apache.lucene.facet.taxonomy.TaxonomyReader$ChildrenArrays

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  /** User runs a query and counts facets. */
  private List<FacetResult> search() throws IOException {
    DirectoryReader indexReader = DirectoryReader.open(indexDir);
    IndexSearcher searcher = new IndexSearcher(indexReader);
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoDir);

    // Count both "Publish Date" and "Author" dimensions
    FacetSearchParams fsp = new FacetSearchParams(
        new CountFacetRequest(new CategoryPath("Publish Date"), 10),
        new CountFacetRequest(new CategoryPath("Author"), 10));

    // Aggregates the facet counts
    FacetsCollector fc = FacetsCollector.create(fsp, searcher.getIndexReader(), taxoReader);

    // MatchAllDocsQuery is for "browsing" (counts facets
    // for all non-deleted docs in the index); normally
    // you'd use a "normal" query, and use MultiCollector to
    // wrap collecting the "normal" hits and also facets:
    searcher.search(new MatchAllDocsQuery(), fc);

    // Retrieve results
    List<FacetResult> facetResults = fc.getFacetResults();
   
    indexReader.close();
    taxoReader.close();
   
    return facetResults;
  }
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  /** User drills down on 'Publish Date/2010'. */
  private List<FacetResult> drillDown() throws IOException {
    DirectoryReader indexReader = DirectoryReader.open(indexDir);
    IndexSearcher searcher = new IndexSearcher(indexReader);
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoDir);

    // Now user drills down on Publish Date/2010:
    FacetSearchParams fsp = new FacetSearchParams(new CountFacetRequest(new CategoryPath("Author"), 10));

    // Passing no baseQuery means we drill down on all
    // documents ("browse only"):
    DrillDownQuery q = new DrillDownQuery(fsp.indexingParams);
    q.add(new CategoryPath("Publish Date/2010", '/'));
    FacetsCollector fc = FacetsCollector.create(fsp, searcher.getIndexReader(), taxoReader);
    searcher.search(q, fc);

    // Retrieve results
    List<FacetResult> facetResults = fc.getFacetResults();
   
    indexReader.close();
    taxoReader.close();
   
    return facetResults;
  }
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  /** User runs a query and counts facets. */
  private List<FacetResult> search() throws IOException {
    DirectoryReader indexReader = DirectoryReader.open(indexDir);
    IndexSearcher searcher = new IndexSearcher(indexReader);
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoDir);

    // Count both "Publish Date" and "Author" dimensions
    FacetSearchParams fsp = new FacetSearchParams(indexingParams,
        new CountFacetRequest(new CategoryPath("Publish Date"), 10),
        new CountFacetRequest(new CategoryPath("Author"), 10));

    // Aggregatses the facet counts
    FacetsCollector fc = FacetsCollector.create(fsp, searcher.getIndexReader(), taxoReader);

    // MatchAllDocsQuery is for "browsing" (counts facets
    // for all non-deleted docs in the index); normally
    // you'd use a "normal" query, and use MultiCollector to
    // wrap collecting the "normal" hits and also facets:
    searcher.search(new MatchAllDocsQuery(), fc);

    // Retrieve results
    List<FacetResult> facetResults = fc.getFacetResults();
   
    indexReader.close();
    taxoReader.close();
   
    return facetResults;
  }
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      w.addDocument(config.build(tw, doc));
    }

    final IndexReader r = w.getReader();

    final TaxonomyReader tr = new DirectoryTaxonomyReader(tw);

    IndexSearcher s = newSearcher(r);

    if (VERBOSE) {
      System.out.println("TEST: searcher=" + s);
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    IndexSearcher searcher = newSearcher(writer.getReader());

    //System.out.println("searcher=" + searcher);

    // NRT open
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoWriter);

    DrillSideways ds = new DrillSideways(searcher, config, taxoReader);

    //  case: drill-down on a single field; in this
    // case the drill-sideways + drill-down counts ==
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    IndexSearcher searcher = newSearcher(writer.getReader());

    //System.out.println("searcher=" + searcher);

    // NRT open
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoWriter);

    DrillDownQuery ddq = new DrillDownQuery(config);
    ddq.add("Author", "Lisa");
    DrillSidewaysResult r = new DrillSideways(searcher, config, taxoReader).search(null, ddq, 10);
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    IndexSearcher searcher = newSearcher(writer.getReader());

    //System.out.println("searcher=" + searcher);

    // NRT open
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoWriter);

    DrillDownQuery ddq = new DrillDownQuery(config);
    ddq.add("dim", "a");
    DrillSidewaysResult r = new DrillSideways(searcher, config, taxoReader).search(null, ddq, 10);
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    if (VERBOSE) {
      System.out.println("r.numDocs() = " + r.numDocs());
    }

    // NRT open
    TaxonomyReader tr = new DirectoryTaxonomyReader(tw);

    int numIters = atLeast(10);

    for(int iter=0;iter<numIters;iter++) {
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    Directory dir = newDirectory();
    Directory taxoDir = newDirectory();
    RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
    DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(taxoDir, IndexWriterConfig.OpenMode.CREATE);
    IndexSearcher searcher = newSearcher(writer.getReader());
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoWriter);

    // Count "Author"
    FacetsConfig config = new FacetsConfig();
    DrillSideways ds = new DrillSideways(searcher, config, taxoReader);
    DrillDownQuery ddq = new DrillDownQuery(config);
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  /** User runs a query and aggregates facets by summing their association values. */
  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);
   
    Facets tags = new TaxonomyFacetSumIntAssociations("$tags", taxoReader, config, fc);
    Facets genre = new TaxonomyFacetSumFloatAssociations("$genre", taxoReader, config, fc);

    // Retrieve results
    List<FacetResult> results = new ArrayList<FacetResult>();
    results.add(tags.getTopChildren(10, "tags"));
    results.add(genre.getTopChildren(10, "genre"));

    indexReader.close();
    taxoReader.close();
   
    return results;
  }
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Related Classes of org.apache.lucene.facet.taxonomy.TaxonomyReader$ChildrenArrays

  • com.gentics.cr.lucene.search.CRSearcher
  • org.apache.lucene.benchmark.byTask.tasks.CloseTaxonomyReaderTask
  • org.apache.lucene.benchmark.byTask.TestPerfTasksLogic
  • org.apache.lucene.demo.facet.AssociationsFacetsExample
  • org.apache.lucene.demo.facet.ExpressionAggregationFacetsExample
  • org.apache.lucene.demo.facet.MultiCategoryListsFacetsExample
  • org.apache.lucene.demo.facet.SimpleFacetsExample
  • org.apache.lucene.facet.complements.TestTotalFacetCounts
  • org.apache.lucene.facet.complements.TestTotalFacetCountsCache
  • org.apache.lucene.facet.example.adaptive.AdaptiveSearcher
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