Examples of org.apache.lucene.facet.sampling.SamplingWrapper

Package org.apache.lucene.facet.sampling

Examples of org.apache.lucene.facet.sampling.SamplingWrapper

org.apache.lucene.facet.sampling.SamplingWrapper
Wrap any Facets Accumulator with sampling.
Note: Sampling accumulation (Accumulation over a sampled-set of the results), does not guarantee accurate values for {@link FacetResult#getNumValidDescendants()}. @lucene.experimental

    TaxonomyFacetsAccumulator[] accumulators = new TaxonomyFacetsAccumulator[] {
      new TaxonomyFacetsAccumulator(fsp, indexReader, taxoReader),
      new OldFacetsAccumulator(fsp, indexReader, taxoReader),
      new SamplingAccumulator(sampler, fsp, indexReader, taxoReader),
      new AdaptiveFacetsAccumulator(fsp, indexReader, taxoReader),
      new SamplingWrapper(new OldFacetsAccumulator(fsp, indexReader, taxoReader), sampler)
    };
    
    for (TaxonomyFacetsAccumulator fa : accumulators) {
      FacetsCollector fc = FacetsCollector.create(fa);
      searcher.search(new MatchAllDocsQuery(), fc);

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    TaxonomyFacetsAccumulator[] accumulators = new TaxonomyFacetsAccumulator[] {
      new TaxonomyFacetsAccumulator(fsp, indexReader, taxoReader),
      new OldFacetsAccumulator(fsp, indexReader, taxoReader),
      new SamplingAccumulator(sampler, fsp, indexReader, taxoReader),
      new AdaptiveFacetsAccumulator(fsp, indexReader, taxoReader),
      new SamplingWrapper(new OldFacetsAccumulator(fsp, indexReader, taxoReader), sampler)
    };
    
    for (TaxonomyFacetsAccumulator fa : accumulators) {
      FacetsCollector fc = FacetsCollector.create(fa);
      searcher.search(new MatchAllDocsQuery(), fc);

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    FacetsAccumulator[] accumulators = new FacetsAccumulator[] {
      new FacetsAccumulator(fsp, indexReader, taxoReader),
      new StandardFacetsAccumulator(fsp, indexReader, taxoReader),
      new SamplingAccumulator(sampler, fsp, indexReader, taxoReader),
      new AdaptiveFacetsAccumulator(fsp, indexReader, taxoReader),
      new SamplingWrapper(new StandardFacetsAccumulator(fsp, indexReader, taxoReader), sampler)
    };
    
    for (FacetsAccumulator fa : accumulators) {
      FacetsCollector fc = FacetsCollector.create(fa);
      searcher.search(new MatchAllDocsQuery(), fc);

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public class SamplingWrapperTest extends BaseSampleTestTopK {


  @Override
  protected StandardFacetsAccumulator getSamplingAccumulator(Sampler sampler, TaxonomyReader taxoReader, 
      IndexReader indexReader, FacetSearchParams searchParams) {
    return new SamplingWrapper(new StandardFacetsAccumulator(searchParams, indexReader, taxoReader), sampler);
  }

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Related Classes of org.apache.lucene.facet.sampling.SamplingWrapper

org.apache.lucene.facet.params.FacetSearchParams

org.apache.lucene.facet.partitions.PartitionsFacetResultsHandler

org.apache.lucene.facet.sampling.Sampler.SampleResult

org.apache.lucene.facet.sampling.SamplingWrapperTest

org.apache.lucene.facet.search.FacetRequest

org.apache.lucene.facet.search.TestFacetsCollector

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