Package org.apache.lucene.backward_codecs.lucene102

Class Lucene102BinaryFlatVectorsScorer

java.lang.Object

org.apache.lucene.backward_codecs.lucene102.Lucene102BinaryFlatVectorsScorer

All Implemented Interfaces:

FlatVectorsScorer

public class Lucene102BinaryFlatVectorsScorer
extends Object
implements FlatVectorsScorer

Vector scorer over binarized vector values

Field Summary

Fields

Modifier and Type	Field	Description
protected static final float	FOUR_BIT_SCALE	Scaling factor for 4-bit quantization
protected final FlatVectorsScorer	nonQuantizedDelegate	The delegate scorer for non-quantized vectors

Constructor Summary

Constructors

Constructor	Description
Lucene102BinaryFlatVectorsScorer(FlatVectorsScorer nonQuantizedDelegate)	Construct a new scorer

Method Summary

Modifier and Type	Method	Description
RandomVectorScorer	getRandomVectorScorer(VectorSimilarityFunction similarityFunction, KnnVectorValues vectorValues, byte[] target)
RandomVectorScorer	getRandomVectorScorer(VectorSimilarityFunction similarityFunction, KnnVectorValues vectorValues, float[] target)
RandomVectorScorerSupplier	getRandomVectorScorerSupplier(VectorSimilarityFunction similarityFunction, KnnVectorValues vectorValues)
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

nonQuantizedDelegate

protected final FlatVectorsScorer nonQuantizedDelegate

The delegate scorer for non-quantized vectors

FOUR_BIT_SCALE

protected static final float FOUR_BIT_SCALE

Scaling factor for 4-bit quantization

See Also:

• Constant Field Values

Constructor Details

Lucene102BinaryFlatVectorsScorer

public Lucene102BinaryFlatVectorsScorer(FlatVectorsScorer nonQuantizedDelegate)

Construct a new scorer

Parameters:

nonQuantizedDelegate - the delegate scorer for non-quantized vectors

Method Details

getRandomVectorScorerSupplier

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

Specified by:

getRandomVectorScorerSupplier in interface FlatVectorsScorer

Throws:

IOException

getRandomVectorScorer

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

Specified by:

getRandomVectorScorer in interface FlatVectorsScorer

Throws:

IOException

getRandomVectorScorer

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

Specified by:

getRandomVectorScorer in interface FlatVectorsScorer

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object