Module org.apache.lucene.core

Package org.apache.lucene.codecs.lucene99

Class Lucene99ScalarQuantizedVectorsWriter.MergedQuantizedVectorValues

java.lang.Object

org.apache.lucene.index.KnnVectorValues

org.apache.lucene.index.ByteVectorValues

org.apache.lucene.util.quantization.QuantizedByteVectorValues

org.apache.lucene.codecs.lucene99.Lucene99ScalarQuantizedVectorsWriter.MergedQuantizedVectorValues

All Implemented Interfaces:

HasIndexSlice

Enclosing class:

Lucene99ScalarQuantizedVectorsWriter

static class Lucene99ScalarQuantizedVectorsWriter.MergedQuantizedVectorValues
extends QuantizedByteVectorValues

Returns a merged view over all the segment's QuantizedByteVectorValues.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private class	Lucene99ScalarQuantizedVectorsWriter.MergedQuantizedVectorValues.CompositeIterator

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

KnnVectorValues.DocIndexIterator

Field Summary

Fields

Modifier and Type	Field	Description
private Lucene99ScalarQuantizedVectorsWriter.QuantizedByteVectorValueSub	current
private final DocIDMerger<Lucene99ScalarQuantizedVectorsWriter.QuantizedByteVectorValueSub>	docIdMerger
private final int	size
private final List<Lucene99ScalarQuantizedVectorsWriter.QuantizedByteVectorValueSub>	subs

Constructor Summary

Constructors

Modifier	Constructor	Description
private	MergedQuantizedVectorValues(List<Lucene99ScalarQuantizedVectorsWriter.QuantizedByteVectorValueSub> subs, MergeState mergeState)

Method Summary

Modifier and Type	Method	Description
int	dimension()	Return the dimension of the vectors
float	getScoreCorrectionConstant(int ord)
KnnVectorValues.DocIndexIterator	iterator()	Create an iterator for this instance.
static Lucene99ScalarQuantizedVectorsWriter.MergedQuantizedVectorValues	mergeQuantizedByteVectorValues(FieldInfo fieldInfo, MergeState mergeState, ScalarQuantizer scalarQuantizer)
int	size()	Return the number of vectors for this field.
byte[]	vectorValue(int ord)	Return the vector value for the given vector ordinal which must be in [0, size() - 1], otherwise IndexOutOfBoundsException is thrown.

Methods inherited from class org.apache.lucene.util.quantization.QuantizedByteVectorValues

copy, getScalarQuantizer, getSlice, scorer

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

checkField, fromBytes, getEncoding, scorer

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

createDenseIterator, createSparseIterator, fromDISI, getAcceptOrds, getVectorByteLength, ordToDoc

Methods inherited from class java.lang.Object

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

Field Details

subs

private final List<Lucene99ScalarQuantizedVectorsWriter.QuantizedByteVectorValueSub> subs

docIdMerger

private final DocIDMerger<Lucene99ScalarQuantizedVectorsWriter.QuantizedByteVectorValueSub> docIdMerger

size

private final int size

current

private Lucene99ScalarQuantizedVectorsWriter.QuantizedByteVectorValueSub current

Constructor Details

MergedQuantizedVectorValues

private MergedQuantizedVectorValues(List<Lucene99ScalarQuantizedVectorsWriter.QuantizedByteVectorValueSub> subs,
 MergeState mergeState)
                             throws IOException

Throws:

IOException

Method Details

mergeQuantizedByteVectorValues

public static Lucene99ScalarQuantizedVectorsWriter.MergedQuantizedVectorValues mergeQuantizedByteVectorValues(FieldInfo fieldInfo,
 MergeState mergeState,
 ScalarQuantizer scalarQuantizer)
                                                                                                       throws IOException

Throws:

IOException

vectorValue

public byte[] vectorValue(int ord)
                   throws IOException

Description copied from class: ByteVectorValues

Return the vector value for the given vector ordinal which must be in [0, size() - 1], otherwise IndexOutOfBoundsException is thrown. The returned array may be shared across calls.

Specified by:

vectorValue in class ByteVectorValues

Returns:

the vector value

Throws:

IOException

iterator

public KnnVectorValues.DocIndexIterator iterator()

Description copied from class: KnnVectorValues

Create an iterator for this instance.

Overrides:

iterator in class KnnVectorValues

size

public int size()

Description copied from class: KnnVectorValues

Return the number of vectors for this field.

Specified by:

size in class KnnVectorValues

Returns:

the number of vectors returned by this iterator

dimension

public int dimension()

Description copied from class: KnnVectorValues

Return the dimension of the vectors

Specified by:

dimension in class KnnVectorValues

getScoreCorrectionConstant

public float getScoreCorrectionConstant(int ord)
                                 throws IOException

Specified by:

getScoreCorrectionConstant in class QuantizedByteVectorValues

Throws:

IOException