Package org.apache.lucene.queries.function.valuesource

Class FloatVectorSimilarityFunction

java.lang.Object

org.apache.lucene.queries.function.ValueSource

org.apache.lucene.queries.function.valuesource.VectorSimilarityFunction

org.apache.lucene.queries.function.valuesource.FloatVectorSimilarityFunction

public class FloatVectorSimilarityFunction
extends VectorSimilarityFunction

FloatVectorSimilarityFunction returns a similarity function between two knn vectors with float elements.

Field Summary

Fields inherited from class org.apache.lucene.queries.function.valuesource.VectorSimilarityFunction

similarityFunction, vector1, vector2

Constructor Summary

Constructors

Constructor	Description
FloatVectorSimilarityFunction(VectorSimilarityFunction similarityFunction, ValueSource vector1, ValueSource vector2)

Method Summary

Modifier and Type	Method	Description
protected float	func(int doc, FunctionValues f1, FunctionValues f2)

Methods inherited from class org.apache.lucene.queries.function.valuesource.VectorSimilarityFunction

description, equals, getValues, hashCode

Methods inherited from class org.apache.lucene.queries.function.ValueSource

asDoubleValuesSource, asLongValuesSource, createWeight, fromDoubleValuesSource, getSortField, newContext, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

FloatVectorSimilarityFunction

public FloatVectorSimilarityFunction(VectorSimilarityFunction similarityFunction,
                                     ValueSource vector1,
                                     ValueSource vector2)

Method Detail

func

protected float func(int doc,
                     FunctionValues f1,
                     FunctionValues f2)
              throws IOException

Specified by:

func in class VectorSimilarityFunction

Throws:

IOException