Package org.apache.lucene.codecs.lucene99

Class Lucene99ScalarQuantizedVectorScorer

java.lang.Object

org.apache.lucene.codecs.lucene99.Lucene99ScalarQuantizedVectorScorer

All Implemented Interfaces:

FlatVectorsScorer

public class Lucene99ScalarQuantizedVectorScorer
extends Object
implements FlatVectorsScorer

Optimized scalar quantized implementation of FlatVectorsScorer for quantized vectors stored in the Lucene99 format.

WARNING: This API is experimental and might change in incompatible ways in the next release.

Constructor Summary

Constructors

Constructor	Description
Lucene99ScalarQuantizedVectorScorer(FlatVectorsScorer flatVectorsScorer)

Method Summary

Modifier and Type	Method	Description
RandomVectorScorer	getRandomVectorScorer(VectorSimilarityFunction similarityFunction, RandomAccessVectorValues vectorValues, byte[] target)	Returns a RandomVectorScorer for the given set of vectors and target vector.
RandomVectorScorer	getRandomVectorScorer(VectorSimilarityFunction similarityFunction, RandomAccessVectorValues vectorValues, float[] target)	Returns a RandomVectorScorer for the given set of vectors and target vector.
RandomVectorScorerSupplier	getRandomVectorScorerSupplier(VectorSimilarityFunction similarityFunction, RandomAccessVectorValues vectorValues)	Returns a RandomVectorScorerSupplier that can be used to score vectors
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Lucene99ScalarQuantizedVectorScorer

public Lucene99ScalarQuantizedVectorScorer(FlatVectorsScorer flatVectorsScorer)

Method Detail

getRandomVectorScorerSupplier

public RandomVectorScorerSupplier getRandomVectorScorerSupplier(VectorSimilarityFunction similarityFunction,
                                                                RandomAccessVectorValues vectorValues)
                                                         throws IOException

Description copied from interface: FlatVectorsScorer

Returns a RandomVectorScorerSupplier that can be used to score vectors

Specified by:

getRandomVectorScorerSupplier in interface FlatVectorsScorer

Parameters:

similarityFunction - the similarity function to use

vectorValues - the vector values to score

Returns:

a RandomVectorScorerSupplier that can be used to score vectors

Throws:

IOException - if an I/O error occurs

getRandomVectorScorer

public RandomVectorScorer getRandomVectorScorer(VectorSimilarityFunction similarityFunction,
                                                RandomAccessVectorValues vectorValues,
                                                float[] target)
                                         throws IOException

Description copied from interface: FlatVectorsScorer

Returns a RandomVectorScorer for the given set of vectors and target vector.

Specified by:

getRandomVectorScorer in interface FlatVectorsScorer

Parameters:

similarityFunction - the similarity function to use

vectorValues - the vector values to score

target - the target vector

Returns:

a RandomVectorScorer for the given field and target vector.

Throws:

IOException - if an I/O error occurs when reading from the index.

getRandomVectorScorer

public RandomVectorScorer getRandomVectorScorer(VectorSimilarityFunction similarityFunction,
                                                RandomAccessVectorValues vectorValues,
                                                byte[] target)
                                         throws IOException

Description copied from interface: FlatVectorsScorer

Returns a RandomVectorScorer for the given set of vectors and target vector.

Specified by:

getRandomVectorScorer in interface FlatVectorsScorer

Parameters:

similarityFunction - the similarity function to use

vectorValues - the vector values to score

target - the target vector

Returns:

a RandomVectorScorer for the given field and target vector.

Throws:

IOException - if an I/O error occurs when reading from the index.

toString

public String toString()

Overrides:

toString in class Object