Package org.apache.lucene.facet.taxonomy

Class FloatTaxonomyFacets

java.lang.Object

org.apache.lucene.facet.Facets

org.apache.lucene.facet.taxonomy.TaxonomyFacets

org.apache.lucene.facet.taxonomy.FloatTaxonomyFacets

Direct Known Subclasses:

TaxonomyFacetSumFloatAssociations, TaxonomyFacetSumValueSource

public abstract class FloatTaxonomyFacets
extends TaxonomyFacets

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

Method Summary

Modifier and Type	Method	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 Details

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