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
Add an instance of this to your
Document
to add a facet label associated with a float.
Use TaxonomyFacetFloatAssociations
to aggregate float values per facet label at search
time.- WARNING: This API is experimental and might change in incompatible ways in the next release.
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Nested Class Summary
Nested classes/interfaces inherited from class org.apache.lucene.document.Field
Field.Store
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Field Summary
Fields inherited from class org.apache.lucene.facet.taxonomy.AssociationFacetField
assoc, dim, path, TYPE
Fields inherited from class org.apache.lucene.document.Field
fieldsData, name, tokenStream, type
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Constructor Summary
ConstructorDescriptionFloatAssociationFacetField
(float assoc, String dim, String... path) Creates this fromdim
andpath
and a float association -
Method Summary
Modifier and TypeMethodDescriptionstatic float
Decodes a previously encodedfloat
.static BytesRef
floatToBytesRef
(float v) Encodes afloat
as a 4-byteBytesRef
.toString()
Methods inherited from class org.apache.lucene.document.Field
binaryValue, fieldType, getCharSequenceValue, invertableType, name, numericValue, readerValue, setBytesValue, setBytesValue, setByteValue, setDoubleValue, setFloatValue, setIntValue, setLongValue, setReaderValue, setShortValue, setStringValue, setTokenStream, storedValue, stringValue, tokenStream, tokenStreamValue
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Constructor Details
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FloatAssociationFacetField
Creates this fromdim
andpath
and a float association
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Method Details
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floatToBytesRef
Encodes afloat
as a 4-byteBytesRef
. -
bytesRefToFloat
Decodes a previously encodedfloat
. -
toString
- Overrides:
toString
in classAssociationFacetField
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