Package org.apache.lucene.facet.taxonomy
Class FloatAssociationFacetField
- java.lang.Object
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- org.apache.lucene.document.Field
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- org.apache.lucene.facet.taxonomy.AssociationFacetField
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- org.apache.lucene.facet.taxonomy.FloatAssociationFacetField
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- All Implemented Interfaces:
IndexableField
public class FloatAssociationFacetField extends AssociationFacetField
Add an instance of this to yourDocumentto add a facet label associated with a float. UseTaxonomyFacetFloatAssociationsto 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
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Nested classes/interfaces inherited from class org.apache.lucene.document.Field
Field.Store
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Field Summary
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Fields inherited from class org.apache.lucene.facet.taxonomy.AssociationFacetField
assoc, dim, path, TYPE
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Fields inherited from class org.apache.lucene.document.Field
fieldsData, name, tokenStream, type
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Constructor Summary
Constructors Constructor Description FloatAssociationFacetField(float assoc, String dim, String... path)Creates this fromdimandpathand a float association
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description static floatbytesRefToFloat(BytesRef b)Decodes a previously encodedfloat.static BytesReffloatToBytesRef(float v)Encodes afloatas a 4-byteBytesRef.StringtoString()-
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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Method Detail
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floatToBytesRef
public static BytesRef floatToBytesRef(float v)
Encodes afloatas a 4-byteBytesRef.
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bytesRefToFloat
public static float bytesRefToFloat(BytesRef b)
Decodes a previously encodedfloat.
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toString
public String toString()
- Overrides:
toStringin classAssociationFacetField
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