Module org.apache.lucene.core

Package org.apache.lucene.codecs.hnsw

Class ScalarQuantizedVectorScorer.ScalarQuantizedRandomVectorScorerSupplier

java.lang.Object

org.apache.lucene.codecs.hnsw.ScalarQuantizedVectorScorer.ScalarQuantizedRandomVectorScorerSupplier

All Implemented Interfaces:

RandomVectorScorerSupplier

Enclosing class:

ScalarQuantizedVectorScorer

public static class ScalarQuantizedVectorScorer.ScalarQuantizedRandomVectorScorerSupplier
extends Object
implements RandomVectorScorerSupplier

Quantized vector scorer supplier

Field Summary

Fields

Modifier and Type	Field	Description
private final ScalarQuantizedVectorSimilarity	similarity
private final RandomAccessQuantizedByteVectorValues	values
private final VectorSimilarityFunction	vectorSimilarityFunction

Constructor Summary

Constructors

Modifier	Constructor	Description
	ScalarQuantizedRandomVectorScorerSupplier(VectorSimilarityFunction similarityFunction, ScalarQuantizer scalarQuantizer, RandomAccessQuantizedByteVectorValues values)
private	ScalarQuantizedRandomVectorScorerSupplier(ScalarQuantizedVectorSimilarity similarity, VectorSimilarityFunction vectorSimilarityFunction, RandomAccessQuantizedByteVectorValues values)

Method Summary

Modifier and Type	Method	Description
RandomVectorScorerSupplier	copy()	Make a copy of the supplier, which will copy the underlying vectorValues so the copy is safe to be used in other threads.
RandomVectorScorer	scorer(int ord)	This creates a RandomVectorScorer for scoring random nodes in batches against the given ordinal.

Methods inherited from class java.lang.Object

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

Field Details

values

private final RandomAccessQuantizedByteVectorValues values

similarity

private final ScalarQuantizedVectorSimilarity similarity

vectorSimilarityFunction

private final VectorSimilarityFunction vectorSimilarityFunction

Constructor Details

ScalarQuantizedRandomVectorScorerSupplier

public ScalarQuantizedRandomVectorScorerSupplier(VectorSimilarityFunction similarityFunction,
 ScalarQuantizer scalarQuantizer,
 RandomAccessQuantizedByteVectorValues values)

ScalarQuantizedRandomVectorScorerSupplier

private ScalarQuantizedRandomVectorScorerSupplier(ScalarQuantizedVectorSimilarity similarity,
 VectorSimilarityFunction vectorSimilarityFunction,
 RandomAccessQuantizedByteVectorValues values)

Method Details

scorer

public RandomVectorScorer scorer(int ord)
                          throws IOException

Description copied from interface: RandomVectorScorerSupplier

This creates a RandomVectorScorer for scoring random nodes in batches against the given ordinal.

Specified by:

scorer in interface RandomVectorScorerSupplier

Parameters:

ord - the ordinal of the node to compare

Returns:

a new RandomVectorScorer

Throws:

IOException

copy

public RandomVectorScorerSupplier copy()
                                throws IOException

Description copied from interface: RandomVectorScorerSupplier

Make a copy of the supplier, which will copy the underlying vectorValues so the copy is safe to be used in other threads.

Specified by:

copy in interface RandomVectorScorerSupplier

Throws:

IOException