Package org.apache.lucene.facet.params

Examples of org.apache.lucene.facet.params.FacetSearchParams

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    DirectoryReader r = DirectoryReader.open(indexDir);
    DirectoryTaxonomyReader taxo = new DirectoryTaxonomyReader(taxoDir);

    // assert IntFacetResultHandler
    FacetSearchParams fsp = new FacetSearchParams(new CountFacetRequest(new CategoryPath("a"), 10));
    TaxonomyFacetsAccumulator fa = random().nextBoolean() ? new TaxonomyFacetsAccumulator(fsp, r, taxo) : new OldFacetsAccumulator(fsp, r, taxo);
    FacetsCollector fc = FacetsCollector.create(fa);
    newSearcher(r).search(new MatchAllDocsQuery(), fc);
    assertTrue("invalid ordinal for child node: 0", 0 != fc.getFacetResults().get(0).getFacetResultNode().subResults.get(0).ordinal);
   
    // assert IntFacetResultHandler
    fsp = new FacetSearchParams(new SumScoreFacetRequest(new CategoryPath("a"), 10));
    if (random().nextBoolean()) {
      fa = new TaxonomyFacetsAccumulator(fsp, r, taxo);
    } else {
      fa = new OldFacetsAccumulator(fsp, r, taxo);
    }
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    DirectoryReader r = DirectoryReader.open(indexDir);
    DirectoryTaxonomyReader taxo = new DirectoryTaxonomyReader(taxoDir);
   
    CountFacetRequest cfr = new CountFacetRequest(new CategoryPath("a"), 2);
    cfr.setResultMode(random().nextBoolean() ? ResultMode.GLOBAL_FLAT : ResultMode.PER_NODE_IN_TREE);
    FacetSearchParams fsp = new FacetSearchParams(cfr);
    final TaxonomyFacetsAccumulator fa = random().nextBoolean() ? new TaxonomyFacetsAccumulator(fsp, r, taxo) : new OldFacetsAccumulator(fsp, r, taxo);
    FacetsCollector fc = FacetsCollector.create(fa);
    newSearcher(r).search(new MatchAllDocsQuery(), fc);
   
    FacetResult res = fc.getFacetResults().get(0);
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    DirectoryReader indexReader = DirectoryReader.open(indexDir);
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoDir);
    IndexSearcher searcher = new IndexSearcher(indexReader);
    // ask to count a non-existing category to test labeling
    FacetSearchParams fsp = new FacetSearchParams(new CountFacetRequest(new CategoryPath("B"), 5));
   
    final SamplingParams sampleParams = new SamplingParams();
    sampleParams.setMaxSampleSize(100);
    sampleParams.setMinSampleSize(100);
    sampleParams.setSamplingThreshold(100);
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    Expression expr = JavascriptCompiler.compile("_score * sqrt(popularity)");
    SimpleBindings bindings = new SimpleBindings();
    bindings.add(new SortField("_score", SortField.Type.SCORE)); // the score of the document
    bindings.add(new SortField("popularity", SortField.Type.LONG)); // the value of the 'popularity' field

    FacetSearchParams fsp = new FacetSearchParams(
        new SumValueSourceFacetRequest(new CategoryPath("A"), 10, expr.getValueSource(bindings), true));

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

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    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
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    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);
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    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", '/'));
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    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);
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    DirectoryReader indexReader = DirectoryReader.open(indexDir);
    IndexSearcher searcher = new IndexSearcher(indexReader);
    SortedSetDocValuesReaderState state = new SortedSetDocValuesReaderState(indexReader);

    // Count both "Publish Year" and "Author" dimensions
    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(state, fsp));
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    DirectoryReader indexReader = DirectoryReader.open(indexDir);
    IndexSearcher searcher = new IndexSearcher(indexReader);
    SortedSetDocValuesReaderState state = new SortedSetDocValuesReaderState(indexReader);

    // 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(state, fsp));
    searcher.search(q, fc);
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Related Classes of org.apache.lucene.facet.params.FacetSearchParams

  • 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
  • org.apache.lucene.facet.complements.TestFacetsAccumulatorWithComplement
  • org.apache.lucene.facet.complements.TestTotalFacetCountsCache
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