Package org.apache.lucene.facet.search

Examples of org.apache.lucene.facet.search.FacetsCollector$MatchingDocs

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  /** compute facets with certain facet requests and docs */
  private List<FacetResult> findFacets(boolean withComplement) throws IOException {
    FacetSearchParams fsp = new FacetSearchParams(fip, new CountFacetRequest(new CategoryPath("root","a"), 10));
    StandardFacetsAccumulator sfa = new StandardFacetsAccumulator(fsp, indexReader, taxoReader);
    sfa.setComplementThreshold(withComplement ? StandardFacetsAccumulator.FORCE_COMPLEMENT : StandardFacetsAccumulator.DISABLE_COMPLEMENT);
    FacetsCollector fc = FacetsCollector.create(sfa);
    searcher.search(new MatchAllDocsQuery(), fc);
   
    List<FacetResult> res = fc.getFacetResults();
   
    // Results are ready, printing them...
    int i = 0;
    for (FacetResult facetResult : res) {
      if (VERBOSE) {
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    FacetSearchParams fsp = new FacetSearchParams(
        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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    // Now user drills down on Publish Date/2010:
    FacetSearchParams fsp = new FacetSearchParams(new CountFacetRequest(new CategoryPath("Author"), 10));
    DrillDownQuery q = new DrillDownQuery(fsp.indexingParams, new MatchAllDocsQuery());
    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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    FacetSearchParams fsp = new FacetSearchParams(
        new CountFacetRequest(new CategoryPath("Publish Year"), 10),
        new CountFacetRequest(new CategoryPath("Author"), 10));

    // Aggregatses the facet counts
    FacetsCollector fc = FacetsCollector.create(new SortedSetDocValuesAccumulator(fsp, state));

    // 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();
   
    return facetResults;
  }
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    // Now user drills down on Publish Year/2010:
    FacetSearchParams fsp = new FacetSearchParams(new CountFacetRequest(new CategoryPath("Author"), 10));
    DrillDownQuery q = new DrillDownQuery(fsp.indexingParams, new MatchAllDocsQuery());
    q.add(new CategoryPath("Publish Year/2010", '/'));
    FacetsCollector fc = FacetsCollector.create(new SortedSetDocValuesAccumulator(fsp, state));
    searcher.search(q, fc);

    // Retrieve results
    List<FacetResult> facetResults = fc.getFacetResults();
   
    indexReader.close();
   
    return facetResults;
  }
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      @Override
      public FacetsAggregator getAggregator() {
        return new MultiAssociationsFacetsAggregator(aggregators);
      }
    };
    FacetsCollector fc = FacetsCollector.create(fa);
   
    // 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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      fRequests.add(fq);
    }

    TopScoreDocCollector topDocsCollector = TopScoreDocCollector.create(
        searcher.getIndexReader().maxDoc(), true);
    FacetsCollector facetsCollector = new FacetsCollector(
        facetSearchParams, searcher.getIndexReader(), taxonomyReader);
    Collector mColl = MultiCollector.wrap(topDocsCollector, facetsCollector);
   
    collectors[0] = topDocsCollector;
    collectors[1] = facetsCollector;
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    IndexReader reader1 = IndexReader.open(dir);
    DirectoryTaxonomyReader taxReader = new DirectoryTaxonomyReader(taxDir);
    IndexSearcher searcher = newSearcher(reader1);
    FacetSearchParams fsp = new FacetSearchParams();
    fsp.addFacetRequest(new CountFacetRequest(new CategoryPath("tag"), NUM_DOCS));
    FacetsCollector collector = new FacetsCollector(fsp, reader1, taxReader);
    searcher.search(new MatchAllDocsQuery(), collector);
    FacetResult result = collector.getFacetResults().get(0);
    FacetResultNode node = result.getFacetResultNode();
    for (FacetResultNode facet: node.getSubResults()) {
      int weight = (int)facet.getValue();
      int label = Integer.parseInt(facet.getLabel().getComponent(1));
      //System.out.println(label + ": " + weight);
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  /** search reader <code>r</code>*/
  private FacetResult searchWithFacets(IndexReader r, TaxonomyReader tr,
      FacetSearchParams fsp, final SamplingParams params) throws IOException {
    // a FacetsCollector with a sampling accumulator
    FacetsCollector fcWithSampling = new FacetsCollector(fsp, r, tr) {
      @Override
      protected FacetsAccumulator initFacetsAccumulator(FacetSearchParams facetSearchParams, IndexReader indexReader,
          TaxonomyReader taxonomyReader) {
        Sampler sampler = new RandomSampler(params, random);
        return new SamplingAccumulator(sampler, facetSearchParams, indexReader, taxonomyReader);
      }
    };
   
    IndexSearcher s = new IndexSearcher(r);
    s.search(new MatchAllDocsQuery(), fcWithSampling);
    s.close();
   
    // there's only one expected result, return just it.
    return fcWithSampling.getFacetResults().get(0);
  }
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    // Add the facet requests of interest to the search params
    for (FacetRequest frq : facetRequests) {
      facetSearchParams.addFacetRequest(frq);
    }

    FacetsCollector facetsCollector = new FacetsCollector(facetSearchParams, indexReader, taxoReader);

    // perform documents search and facets accumulation
    searcher.search(q, MultiCollector.wrap(topDocsCollector, facetsCollector));

    // Obtain facets results and print them
    List<FacetResult> res = facetsCollector.getFacetResults();

    int i = 0;
    for (FacetResult facetResult : res) {
      ExampleUtils.log("Res " + (i++) + ": " + facetResult);
    }
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Related Classes of org.apache.lucene.facet.search.FacetsCollector$MatchingDocs

  • com.gentics.cr.lucene.facets.search.FacetsSearch
  • com.gentics.cr.lucene.search.CRSearcher
  • org.apache.lucene.demo.facet.AssociationsFacetsExample
  • 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.associations.AssociationsFacetRequestTest
  • org.apache.lucene.facet.complements.Multi
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