Package org.apache.lucene.codecs.hnsw

Interface FlatVectorsScorer

All Known Implementing Classes:

DefaultFlatVectorScorer, Lucene99ScalarQuantizedVectorScorer, ScalarQuantizedVectorScorer

public interface FlatVectorsScorer

Provides mechanisms to score vectors that are stored in a flat file The purpose of this class is for providing flexibility to the codec utilizing the vectors

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

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

Method Details

getRandomVectorScorerSupplier

RandomVectorScorerSupplier getRandomVectorScorerSupplier(VectorSimilarityFunction similarityFunction,
 RandomAccessVectorValues vectorValues)
                                                  throws IOException

Returns a RandomVectorScorerSupplier that can be used to score vectors

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

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

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

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

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

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

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.