Package org.apache.lucene.spatial.util
Class ReciprocalDoubleValuesSource
java.lang.Object
org.apache.lucene.search.DoubleValuesSource
org.apache.lucene.spatial.util.ReciprocalDoubleValuesSource
- All Implemented Interfaces:
SegmentCacheable
Transforms a DoubleValuesSource using the formula v = k / (v + k)
-
Field Summary
Fields inherited from class org.apache.lucene.search.DoubleValuesSource
SCORES -
Constructor Summary
ConstructorsConstructorDescriptionReciprocalDoubleValuesSource(double distToEdge, DoubleValuesSource input) Creates a ReciprocalDoubleValuesSource -
Method Summary
Modifier and TypeMethodDescriptionbooleanexplain(LeafReaderContext ctx, int docId, Explanation scoreExplanation) getValues(LeafReaderContext ctx, DoubleValues scores) inthashCode()booleanbooleanrewrite(IndexSearcher searcher) toString()Methods inherited from class org.apache.lucene.search.DoubleValuesSource
constant, fromDoubleField, fromField, fromFloatField, fromIntField, fromLongField, fromQuery, fromScorer, getSortField, similarityToQueryVector, similarityToQueryVector, toLongValuesSource, toSortableLongDoubleValuesSource
-
Constructor Details
-
ReciprocalDoubleValuesSource
Creates a ReciprocalDoubleValuesSource- Parameters:
distToEdge- the value k in v = k / (v + k)input- the input DoubleValuesSource to transform
-
-
Method Details
-
getValues
- Specified by:
getValuesin classDoubleValuesSource- Throws:
IOException
-
needsScores
public boolean needsScores()- Specified by:
needsScoresin classDoubleValuesSource
-
isCacheable
-
explain
public Explanation explain(LeafReaderContext ctx, int docId, Explanation scoreExplanation) throws IOException - Overrides:
explainin classDoubleValuesSource- Throws:
IOException
-
rewrite
- Specified by:
rewritein classDoubleValuesSource- Throws:
IOException
-
equals
- Specified by:
equalsin classDoubleValuesSource
-
hashCode
public int hashCode()- Specified by:
hashCodein classDoubleValuesSource
-
toString
- Specified by:
toStringin classDoubleValuesSource
-