Module org.elasticsearch.server

Package org.elasticsearch.index.codec.vectors

Class OffHeapQuantizedByteVectorValues.DenseOffHeapVectorValues

java.lang.Object

org.apache.lucene.index.KnnVectorValues

org.apache.lucene.index.ByteVectorValues

org.apache.lucene.util.quantization.QuantizedByteVectorValues

org.elasticsearch.index.codec.vectors.OffHeapQuantizedByteVectorValues

org.elasticsearch.index.codec.vectors.OffHeapQuantizedByteVectorValues.DenseOffHeapVectorValues

All Implemented Interfaces:

org.apache.lucene.codecs.lucene95.HasIndexSlice

Enclosing class:

OffHeapQuantizedByteVectorValues

public static class OffHeapQuantizedByteVectorValues.DenseOffHeapVectorValues
extends OffHeapQuantizedByteVectorValues

Dense vector values that are stored off-heap. This is the most common case when every doc has a vector.

Nested Class Summary

Nested classes/interfaces inherited from class org.elasticsearch.index.codec.vectors.OffHeapQuantizedByteVectorValues

OffHeapQuantizedByteVectorValues.DenseOffHeapVectorValues

Nested classes/interfaces inherited from class org.apache.lucene.index.KnnVectorValues

org.apache.lucene.index.KnnVectorValues.DocIndexIterator

Constructor Summary

Constructors

Constructor	Description
DenseOffHeapVectorValues(int dimension, int size, org.apache.lucene.util.quantization.ScalarQuantizer scalarQuantizer, boolean compress, org.apache.lucene.index.VectorSimilarityFunction similarityFunction, org.apache.lucene.codecs.hnsw.FlatVectorsScorer vectorsScorer, org.apache.lucene.store.IndexInput slice)	Create dense off-heap vector values

Method Summary

Modifier and Type	Method	Description
OffHeapQuantizedByteVectorValues.DenseOffHeapVectorValues	copy()
org.apache.lucene.util.Bits	getAcceptOrds(org.apache.lucene.util.Bits acceptDocs)
org.apache.lucene.index.KnnVectorValues.DocIndexIterator	iterator()
org.apache.lucene.search.VectorScorer	scorer(float[] target)

Methods inherited from class org.elasticsearch.index.codec.vectors.OffHeapQuantizedByteVectorValues

dimension, getScalarQuantizer, getScoreCorrectionConstant, getSlice, getVectorByteLength, size, vectorValue

Methods inherited from class org.apache.lucene.index.ByteVectorValues

checkField, fromBytes, getEncoding, rescorer, scorer

Methods inherited from class org.apache.lucene.index.KnnVectorValues

createDenseIterator, createSparseIterator, fromDISI, ordToDoc

Methods inherited from class java.lang.Object

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

Constructor Details

DenseOffHeapVectorValues

public DenseOffHeapVectorValues(int dimension,
 int size,
 org.apache.lucene.util.quantization.ScalarQuantizer scalarQuantizer,
 boolean compress,
 org.apache.lucene.index.VectorSimilarityFunction similarityFunction,
 org.apache.lucene.codecs.hnsw.FlatVectorsScorer vectorsScorer,
 org.apache.lucene.store.IndexInput slice)

Create dense off-heap vector values

Parameters:

dimension - vector dimension

size - number of vectors

scalarQuantizer - the scalar quantizer

compress - whether the vectors are compressed

similarityFunction - the similarity function

vectorsScorer - the vectors scorer

slice - the index input slice containing the vector data

Method Details

copy

public OffHeapQuantizedByteVectorValues.DenseOffHeapVectorValues copy()
                                                               throws IOException

Overrides:

copy in class org.apache.lucene.util.quantization.QuantizedByteVectorValues

Throws:

IOException

getAcceptOrds

public org.apache.lucene.util.Bits getAcceptOrds(org.apache.lucene.util.Bits acceptDocs)

Overrides:

getAcceptOrds in class org.apache.lucene.index.KnnVectorValues

scorer

public org.apache.lucene.search.VectorScorer scorer(float[] target)
                                             throws IOException

Overrides:

scorer in class org.apache.lucene.util.quantization.QuantizedByteVectorValues

Throws:

IOException

iterator

public org.apache.lucene.index.KnnVectorValues.DocIndexIterator iterator()

Overrides:

iterator in class org.apache.lucene.index.KnnVectorValues