org.apache.lucene.facet.taxonomy

Class FastTaxonomyFacetCounts

java.lang.Object

org.apache.lucene.facet.Facets

org.apache.lucene.facet.taxonomy.TaxonomyFacets

org.apache.lucene.facet.taxonomy.IntTaxonomyFacets

org.apache.lucene.facet.taxonomy.FastTaxonomyFacetCounts

public class FastTaxonomyFacetCounts
extends IntTaxonomyFacets

Computes facets counts, assuming the default encoding into DocValues was used.

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.TaxonomyFacets

config, indexFieldName, parents, taxoReader

Constructor Summary

Constructors

Constructor and Description
FastTaxonomyFacetCounts(String indexFieldName, IndexReader reader, TaxonomyReader taxoReader, FacetsConfig config) Create FastTaxonomyFacetCounts, using the specified indexFieldName for ordinals, and counting all non-deleted documents in the index.
FastTaxonomyFacetCounts(String indexFieldName, TaxonomyReader taxoReader, FacetsConfig config, FacetsCollector fc) Create FastTaxonomyFacetCounts, using the specified indexFieldName for ordinals.
FastTaxonomyFacetCounts(TaxonomyReader taxoReader, FacetsConfig config, FacetsCollector fc) Create FastTaxonomyFacetCounts, which also counts all facet labels.

Method Summary

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

getSpecificValue, getTopChildren, increment, increment, rollup, useHashTable

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

FastTaxonomyFacetCounts

public FastTaxonomyFacetCounts(TaxonomyReader taxoReader,
                               FacetsConfig config,
                               FacetsCollector fc)
                        throws IOException

Create FastTaxonomyFacetCounts, which also counts all facet labels.

Throws:

IOException

FastTaxonomyFacetCounts

public FastTaxonomyFacetCounts(String indexFieldName,
                               TaxonomyReader taxoReader,
                               FacetsConfig config,
                               FacetsCollector fc)
                        throws IOException

Create FastTaxonomyFacetCounts, using the specified indexFieldName for ordinals. Use this if you had set FacetsConfig.setIndexFieldName(java.lang.String, java.lang.String) to change the index field name for certain dimensions.

Throws:

IOException

FastTaxonomyFacetCounts

public FastTaxonomyFacetCounts(String indexFieldName,
                               IndexReader reader,
                               TaxonomyReader taxoReader,
                               FacetsConfig config)
                        throws IOException

Create FastTaxonomyFacetCounts, using the specified indexFieldName for ordinals, and counting all non-deleted documents in the index. This is the same result as searching on MatchAllDocsQuery, but faster

Throws:

IOException