org.apache.lucene.facet.search

Class CachedOrdsCountingFacetsAggregator

java.lang.Object

org.apache.lucene.facet.search.IntRollupFacetsAggregator

org.apache.lucene.facet.search.CachedOrdsCountingFacetsAggregator

All Implemented Interfaces:

FacetsAggregator

public class CachedOrdsCountingFacetsAggregator
extends IntRollupFacetsAggregator

A FacetsAggregator which updates categories values by counting their occurrences in matching documents. Uses OrdinalsCache to obtain the category ordinals of each segment.

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

Constructor Summary

Constructors

Constructor and Description
CachedOrdsCountingFacetsAggregator()

Method Summary

Methods

Modifier and Type	Method and Description
void	aggregate(FacetsCollector.MatchingDocs matchingDocs, CategoryListParams clp, FacetArrays facetArrays) Aggregate the facets found in the given matching documents.

Methods inherited from class org.apache.lucene.facet.search.IntRollupFacetsAggregator

requiresDocScores, rollupValues

Methods inherited from class java.lang.Object

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

Constructor Detail

CachedOrdsCountingFacetsAggregator

public CachedOrdsCountingFacetsAggregator()

Method Detail

aggregate

public void aggregate(FacetsCollector.MatchingDocs matchingDocs,
             CategoryListParams clp,
             FacetArrays facetArrays)
               throws IOException

Description copied from interface: FacetsAggregator

Aggregate the facets found in the given matching documents.

Specified by:

aggregate in interface FacetsAggregator

Specified by:

aggregate in class IntRollupFacetsAggregator

Throws:

IOException