Package org.apache.lucene.backward_codecs.lucene102

Class OffHeapBinarizedVectorValues

java.lang.Object

org.apache.lucene.index.KnnVectorValues

org.apache.lucene.index.ByteVectorValues

org.apache.lucene.backward_codecs.lucene102.OffHeapBinarizedVectorValues

public abstract class OffHeapBinarizedVectorValues
extends ByteVectorValues

Binarized vector values loaded from off-heap

NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.

Nested Class Summary

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

KnnVectorValues.DocIndexIterator

Method Summary

Modifier and Type	Method	Description
abstract org.apache.lucene.backward_codecs.lucene102.BinarizedByteVectorValues	copy()
int	dimension()
int	discretizedDimensions()
float[]	getCentroid()
float	getCentroidDP()
OptimizedScalarQuantizer.QuantizationResult	getCorrectiveTerms(int targetOrd)
OptimizedScalarQuantizer	getQuantizer()
int	getVectorByteLength()
int	size()
byte[]	vectorValue(int targetOrd)

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, getAcceptOrds, iterator, ordToDoc

Methods inherited from class java.lang.Object

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

Method Details

dimension

public int dimension()

Specified by:

dimension in class KnnVectorValues

size

public int size()

Specified by:

size in class KnnVectorValues

vectorValue

public byte[] vectorValue(int targetOrd)
                   throws IOException

Specified by:

vectorValue in class ByteVectorValues

Throws:

IOException

discretizedDimensions

public int discretizedDimensions()

getCentroidDP

public float getCentroidDP()

getCorrectiveTerms

public OptimizedScalarQuantizer.QuantizationResult getCorrectiveTerms(int targetOrd)
                                                               throws IOException

Throws:

IOException

getQuantizer

public OptimizedScalarQuantizer getQuantizer()

getCentroid

public float[] getCentroid()

getVectorByteLength

public int getVectorByteLength()

Overrides:

getVectorByteLength in class KnnVectorValues

copy

public abstract org.apache.lucene.backward_codecs.lucene102.BinarizedByteVectorValues copy()
                                                                                    throws IOException

Specified by:

copy in class ByteVectorValues

Throws:

IOException