Package org.apache.lucene.facet.taxonomy.directory

Examples of org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader

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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);
   
    CategoryPath tags = new CategoryPath("tags");
    CategoryPath genre = new CategoryPath("genre");
    FacetSearchParams fsp = new FacetSearchParams(new SumIntAssociationFacetRequest(tags, 10),
        new SumFloatAssociationFacetRequest(genre, 10));
    FacetsCollector fc = FacetsCollector.create(fsp, indexReader, 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 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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    // NRT open
    IndexSearcher searcher = newSearcher(writer.getReader());
    writer.close();

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

    // Aggregate the facet counts:
    FacetsCollector c = new FacetsCollector();

    // MatchAllDocsQuery is for "browsing" (counts facets
    // for all non-deleted docs in the index); normally
    // you'd use a "normal" query and one of the
    // Facets.search utility methods:
    searcher.search(new MatchAllDocsQuery(), c);

    TaxonomyFacetSumValueSource facets = new TaxonomyFacetSumValueSource(taxoReader, new FacetsConfig(), c, new IntFieldSource("num"));

    // Retrieve & verify results:
    assertEquals("dim=Author path=[] value=145.0 childCount=4\n  Lisa (50.0)\n  Frank (45.0)\n  Susan (40.0)\n  Bob (10.0)\n", facets.getTopChildren(10, "Author").toString());

    taxoReader.close();
    searcher.getIndexReader().close();
    dir.close();
    taxoDir.close();
  }
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    // NRT open
    IndexSearcher searcher = newSearcher(writer.getReader());
    writer.close();

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

    FacetsCollector c = new FacetsCollector();
    searcher.search(new MatchAllDocsQuery(), c);   
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    // NRT open
    IndexSearcher searcher = newSearcher(writer.getReader());
    writer.close();

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

    FacetsCollector c = new FacetsCollector();
    searcher.search(new MatchAllDocsQuery(), c);   
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      doc.add(new FacetField("dim", "a"));
      iw.addDocument(config.build(taxoWriter, doc));
    }
   
    DirectoryReader r = DirectoryReader.open(iw, true);
    DirectoryTaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoWriter);
   
    FacetsCollector fc = new FacetsCollector(true);
    ConstantScoreQuery csq = new ConstantScoreQuery(new MatchAllDocsQuery());
    csq.setBoost(2.0f);
   
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      doc.add(new FacetField("a", Integer.toString(i % 2)));
      iw.addDocument(config.build(taxoWriter, doc));
    }
   
    DirectoryReader r = DirectoryReader.open(iw, true);
    DirectoryTaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoWriter);

    FacetsCollector sfc = new FacetsCollector();
    newSearcher(r).search(new MatchAllDocsQuery(), sfc);
    Facets facets = new TaxonomyFacetSumValueSource(taxoReader, config, sfc, new LongFieldSource("price"));
    assertEquals("dim=a path=[] value=10.0 childCount=2\n  1 (6.0)\n  0 (4.0)\n", facets.getTopChildren(10, "a").toString());
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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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Related Classes of org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader

  • com.gentics.cr.lucene.facets.taxonomy.taxonomyaccessor.DefaultTaxonomyAccessor
  • org.apache.lucene.benchmark.byTask.tasks.OpenTaxonomyReaderTask
  • 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.document.Document
  • org.apache.lucene.facet.associations.AssociationsFacetRequestTest
  • org.apache.lucene.facet.complements.TestTotalFacetCounts
  • org.apache.lucene.facet.complements.TestTotalFacetCountsCache
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