org.apache.lucene.facet.taxonomy

Class IntTaxonomyFacets

java.lang.Object

org.apache.lucene.facet.Facets

org.apache.lucene.facet.taxonomy.TaxonomyFacets

org.apache.lucene.facet.taxonomy.IntTaxonomyFacets

Direct Known Subclasses:

FastTaxonomyFacetCounts, TaxonomyFacetCounts, TaxonomyFacetSumIntAssociations

public abstract class IntTaxonomyFacets
extends TaxonomyFacets

Base class for all taxonomy-based facets that aggregate to a per-ords int[].

Method Summary

Modifier and Type	Method and Description
Number	getSpecificValue(String dim, String... path) Return the count or value for a specific path.
FacetResult	getTopChildren(int topN, String dim, String... path) Returns the topN child labels under the specified path.

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

getAllDims

Methods inherited from class java.lang.Object

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

Method Detail

getSpecificValue

public Number getSpecificValue(String dim,
                               String... path)
                        throws IOException

Description copied from class: Facets

Return the count or value for a specific path. Returns -1 if this path doesn't exist, else the count.

Specified by:

getSpecificValue in class Facets

Throws:

IOException

getTopChildren

public FacetResult getTopChildren(int topN,
                                  String dim,
                                  String... path)
                           throws IOException

Description copied from class: Facets

Returns the topN child labels under the specified path. Returns null if the specified path doesn't exist or if this dimension was never seen.

Specified by:

getTopChildren in class Facets

Throws:

IOException