core/org.gnit.lucenekmp.codecs/KnnVectorsFormat

KnnVectorsFormat

abstract class KnnVectorsFormat : NamedSPILoader.NamedSPI

Encodes/decodes per-document vector and any associated indexing structures required to support nearest-neighbor search

Inheritors

FlatVectorsFormat

Lucene102HnswBinaryQuantizedVectorsFormat

Lucene99HnswScalarQuantizedVectorsFormat

Lucene99HnswVectorsFormat

PerFieldKnnVectorsFormat

Types

object Companion

Properties

open lateinit override var name: String

Functions

abstract fun fieldsReader(state: SegmentReadState): KnnVectorsReader

Returns a KnnVectorsReader to read the vectors from the index.

abstract fun fieldsWriter(state: SegmentWriteState): KnnVectorsWriter

Returns a KnnVectorsWriter to write the vectors to the index.

getMaxDimensions

abstract fun getMaxDimensions(fieldName: String): Int

Returns the maximum number of vector dimensions supported by this codec for the given field name