Package org.apache.lucene.facet.taxonomy

Class FloatAssociationFacetField

java.lang.Object

org.apache.lucene.document.Field

org.apache.lucene.facet.taxonomy.AssociationFacetField

org.apache.lucene.facet.taxonomy.FloatAssociationFacetField

All Implemented Interfaces:

IndexableField

public class FloatAssociationFacetField
extends AssociationFacetField

Add an instance of this to your Document to add a facet label associated with a float. Use TaxonomyFacetSumFloatAssociations to aggregate float values per facet label at search time.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.document.Field

Field.Index, Field.Store, Field.TermVector

Field Summary

Fields inherited from class org.apache.lucene.facet.taxonomy.AssociationFacetField

assoc, dim, path, TYPE

Constructor Summary

Constructors

Constructor	Description
FloatAssociationFacetField(float assoc, String dim, String... path)	Creates this from dim and path and a float association

Method Summary

Modifier and Type	Method	Description
static float	bytesRefToFloat(BytesRef b)	Decodes a previously encoded float.
static BytesRef	floatToBytesRef(float v)	Encodes a float as a 4-byte BytesRef.
String	toString()	Prints a Field for human consumption.

Methods inherited from class org.apache.lucene.document.Field

binaryValue, boost, fieldType, name, numericValue, readerValue, setBoost, setBytesValue, setBytesValue, setByteValue, setDoubleValue, setFloatValue, setIntValue, setLongValue, setReaderValue, setShortValue, setStringValue, setTokenStream, stringValue, tokenStream, tokenStreamValue, translateFieldType

Methods inherited from class java.lang.Object

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

Constructor Details

FloatAssociationFacetField

public FloatAssociationFacetField(float assoc,
 String dim,
 String... path)

Creates this from dim and path and a float association

Method Details

floatToBytesRef

public static BytesRef floatToBytesRef(float v)

Encodes a float as a 4-byte BytesRef.

bytesRefToFloat

public static float bytesRefToFloat(BytesRef b)

Decodes a previously encoded float.

toString

public String toString()

Description copied from class: Field

Prints a Field for human consumption.

Overrides:

toString in class AssociationFacetField