Package org.apache.lucene.spatial.vector
Class DistanceValueSource
java.lang.Object
org.apache.lucene.search.DoubleValuesSource
org.apache.lucene.spatial.vector.DistanceValueSource
- All Implemented Interfaces:
SegmentCacheable
A DoubleValuesSource that returns the distance for a
PointVectorStrategy.- NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.
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Field Summary
Fields inherited from class org.apache.lucene.search.DoubleValuesSource
SCORES -
Constructor Summary
ConstructorsConstructorDescriptionDistanceValueSource(PointVectorStrategy strategy, org.locationtech.spatial4j.shape.Point from, double multiplier) Constructor. -
Method Summary
Modifier and TypeMethodDescriptionbooleangetValues(LeafReaderContext readerContext, DoubleValues scores) Returns the FunctionValues used by the function query.inthashCode()booleanbooleanrewrite(IndexSearcher searcher) toString()Returns the ValueSource description.Methods inherited from class org.apache.lucene.search.DoubleValuesSource
constant, explain, fromDoubleField, fromField, fromFloatField, fromIntField, fromLongField, fromQuery, fromScorer, getSortField, similarityToQueryVector, similarityToQueryVector, toLongValuesSource, toSortableLongDoubleValuesSource
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Constructor Details
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DistanceValueSource
public DistanceValueSource(PointVectorStrategy strategy, org.locationtech.spatial4j.shape.Point from, double multiplier) Constructor.
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Method Details
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toString
Returns the ValueSource description.- Specified by:
toStringin classDoubleValuesSource
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getValues
public DoubleValues getValues(LeafReaderContext readerContext, DoubleValues scores) throws IOException Returns the FunctionValues used by the function query.- Specified by:
getValuesin classDoubleValuesSource- Throws:
IOException
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needsScores
public boolean needsScores()- Specified by:
needsScoresin classDoubleValuesSource
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isCacheable
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rewrite
- Specified by:
rewritein classDoubleValuesSource- Throws:
IOException
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equals
- Specified by:
equalsin classDoubleValuesSource
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hashCode
public int hashCode()- Specified by:
hashCodein classDoubleValuesSource
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