Package org.apache.lucene.document
Class FeatureField.FeatureFunction
- java.lang.Object
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- org.apache.lucene.document.FeatureField.FeatureFunction
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- Direct Known Subclasses:
FeatureField.LogFunction
,FeatureField.SaturationFunction
,FeatureField.SigmoidFunction
- Enclosing class:
- FeatureField
abstract static class FeatureField.FeatureFunction extends java.lang.Object
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Constructor Summary
Constructors Constructor Description FeatureFunction()
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Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description (package private) abstract Explanation
explain(java.lang.String field, java.lang.String feature, float w, int freq)
(package private) FeatureField.FeatureFunction
rewrite(IndexReader reader)
(package private) abstract Similarity.SimScorer
scorer(float w)
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Method Detail
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scorer
abstract Similarity.SimScorer scorer(float w)
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explain
abstract Explanation explain(java.lang.String field, java.lang.String feature, float w, int freq)
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rewrite
FeatureField.FeatureFunction rewrite(IndexReader reader) throws java.io.IOException
- Throws:
java.io.IOException
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