org.apache.lucene.facet.taxonomy
Class TaxonomyFacetSumValueSource

java.lang.Object
  org.apache.lucene.facet.Facets
      org.apache.lucene.facet.taxonomy.TaxonomyFacets
          org.apache.lucene.facet.taxonomy.FloatTaxonomyFacets
              org.apache.lucene.facet.taxonomy.TaxonomyFacetSumValueSource

public class TaxonomyFacetSumValueSource
extends FloatTaxonomyFacets

Aggregates sum of values from FunctionValues.doubleVal(int), for each facet label.

WARNING: This API is experimental and might change in incompatible ways in the next release.

Nested Class Summary

static class

TaxonomyFacetSumValueSource.ScoreValueSource ValueSource that returns the score for each hit; use this to aggregate the sum of all hit scores for each facet label.

Field Summary

Fields inherited from class org.apache.lucene.facet.taxonomy.FloatTaxonomyFacets

values

Fields inherited from class org.apache.lucene.facet.taxonomy.TaxonomyFacets

children, config, indexFieldName, siblings, taxoReader

Constructor Summary

TaxonomyFacetSumValueSource(OrdinalsReader ordinalsReader, TaxonomyReader taxoReader, FacetsConfig config, FacetsCollector fc, ValueSource valueSource)
Aggreggates float facet values from the provided TaxonomyFacetSumValueSource.ScoreValueSource, and pulls ordinals from the provided OrdinalsReader.

TaxonomyFacetSumValueSource(TaxonomyReader taxoReader, FacetsConfig config, FacetsCollector fc, ValueSource valueSource)
Aggreggates float facet values from the provided TaxonomyFacetSumValueSource.ScoreValueSource, pulling ordinals using DocValuesOrdinalsReader against the default indexed facet field FacetsConfig.DEFAULT_INDEX_FIELD_NAME.

Method Summary

Methods inherited from class org.apache.lucene.facet.taxonomy.FloatTaxonomyFacets

getSpecificValue, getTopChildren, rollup

Methods inherited from class org.apache.lucene.facet.taxonomy.TaxonomyFacets

getAllDims, verifyDim

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TaxonomyFacetSumValueSource

public TaxonomyFacetSumValueSource(TaxonomyReader taxoReader,
                                   FacetsConfig config,
                                   FacetsCollector fc,
                                   ValueSource valueSource)
                            throws IOException

Aggreggates float facet values from the provided TaxonomyFacetSumValueSource.ScoreValueSource, pulling ordinals using DocValuesOrdinalsReader against the default indexed facet field FacetsConfig.DEFAULT_INDEX_FIELD_NAME.

Throws:

IOException

TaxonomyFacetSumValueSource

public TaxonomyFacetSumValueSource(OrdinalsReader ordinalsReader,
                                   TaxonomyReader taxoReader,
                                   FacetsConfig config,
                                   FacetsCollector fc,
                                   ValueSource valueSource)
                            throws IOException

Aggreggates float facet values from the provided TaxonomyFacetSumValueSource.ScoreValueSource, and pulls ordinals from the provided OrdinalsReader.

Throws:

IOException