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 `DoubleValues.doubleValue()`, for each facet label.
  WARNING: This API is experimental and might change in incompatible ways in the next release.

- - ### Field Summary

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

      `values`

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

      `config, indexFieldName, parents, taxoReader`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `TaxonomyFacetSumValueSource(OrdinalsReader ordinalsReader, TaxonomyReader taxoReader, FacetsConfig config, FacetsCollector fc, DoubleValuesSource vs)` Aggreggates float facet values from the provided `DoubleValuesSource`, and pulls ordinals from the provided `OrdinalsReader`.
    `TaxonomyFacetSumValueSource(TaxonomyReader taxoReader, FacetsConfig config, FacetsCollector fc, DoubleValuesSource valueSource)` Aggreggates double facet values from the provided `DoubleValuesSource`, 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

      `childrenLoaded, getAllDims, getChildren, getSiblings, siblingsLoaded, 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,
                                             DoubleValuesSource valueSource)
                                      throws IOException

      Aggreggates double facet values from the provided `DoubleValuesSource`, 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,
                                             DoubleValuesSource vs)
                                      throws IOException

      Aggreggates float facet values from the provided `DoubleValuesSource`, and pulls ordinals from the provided `OrdinalsReader`.
      Throws:
        `IOException`

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