org.apache.lucene.facet.range

Class RangeFacetsAccumulatorWrapper

java.lang.Object

org.apache.lucene.facet.search.FacetsAccumulator

org.apache.lucene.facet.range.RangeFacetsAccumulatorWrapper

public class RangeFacetsAccumulatorWrapper
extends FacetsAccumulator

Takes multiple facet requests and if necessary splits them between the normal FacetsAccumulator and a RangeAccumulator

Field Summary

Fields inherited from class org.apache.lucene.facet.search.FacetsAccumulator

facetArrays, indexReader, searchParams, taxonomyReader

Method Summary

Methods

Modifier and Type	Method and Description
List<FacetResult>	accumulate(List<FacetsCollector.MatchingDocs> matchingDocs) Used by FacetsCollector to build the list of facet results that match the facet requests that were given in the constructor.
static FacetsAccumulator	create(FacetSearchParams fsp, IndexReader indexReader, TaxonomyReader taxoReader)
static FacetsAccumulator	create(FacetSearchParams fsp, IndexReader indexReader, TaxonomyReader taxoReader, FacetArrays arrays)
protected FacetResultsHandler	createFacetResultsHandler(FacetRequest fr) Creates a FacetResultsHandler that matches the given FacetRequest.
FacetsAggregator	getAggregator() Returns the FacetsAggregator to use for aggregating the categories found in the result documents.
protected Set<CategoryListParams>	getCategoryLists()
boolean	requiresDocScores()

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

emptyResult

Methods inherited from class java.lang.Object

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

Method Detail

create

public static FacetsAccumulator create(FacetSearchParams fsp,
                       IndexReader indexReader,
                       TaxonomyReader taxoReader)

create

public static FacetsAccumulator create(FacetSearchParams fsp,
                       IndexReader indexReader,
                       TaxonomyReader taxoReader,
                       FacetArrays arrays)

getAggregator

public FacetsAggregator getAggregator()

Description copied from class: FacetsAccumulator

Returns the FacetsAggregator to use for aggregating the categories found in the result documents. The default implementation returns CountingFacetsAggregator, or FastCountingFacetsAggregator if all categories can be decoded with DGapVInt8IntDecoder.

Overrides:

getAggregator in class FacetsAccumulator

createFacetResultsHandler

protected FacetResultsHandler createFacetResultsHandler(FacetRequest fr)

Description copied from class: FacetsAccumulator

Creates a FacetResultsHandler that matches the given FacetRequest.

Overrides:

createFacetResultsHandler in class FacetsAccumulator

getCategoryLists

protected Set<CategoryListParams> getCategoryLists()

Overrides:

getCategoryLists in class FacetsAccumulator

requiresDocScores

public boolean requiresDocScores()

Overrides:

requiresDocScores in class FacetsAccumulator

accumulate

public List<FacetResult> accumulate(List<FacetsCollector.MatchingDocs> matchingDocs)
                             throws IOException

Description copied from class: FacetsAccumulator

Used by FacetsCollector to build the list of facet results that match the facet requests that were given in the constructor.

Overrides:

accumulate in class FacetsAccumulator

Parameters:

matchingDocs - the documents that matched the query, per-segment.

Throws:

IOException