Uses of Class
org.apache.lucene.codecs.KnnVectorsWriter

Packages that use KnnVectorsWriter

Package	Description
org.apache.lucene.codecs	Codecs API: API for customization of the encoding and structure of the index.
org.apache.lucene.codecs.hnsw	HNSW vector helper classes.
org.apache.lucene.codecs.lucene102	Lucene 10.2 file format.
org.apache.lucene.codecs.lucene99	Lucene 9.9 file format.
org.apache.lucene.codecs.perfield	Postings format that can delegate to different formats per-field.

Uses of KnnVectorsWriter in org.apache.lucene.codecs

Subclasses of KnnVectorsWriter in org.apache.lucene.codecs

Modifier and Type	Class	Description
class	BufferingKnnVectorsWriter	Buffers up pending vector value(s) per doc, then flushes when segment flushes.

Methods in org.apache.lucene.codecs that return KnnVectorsWriter

Modifier and Type	Method	Description
abstract KnnVectorsWriter	KnnVectorsFormat.fieldsWriter(SegmentWriteState state)	Returns a KnnVectorsWriter to write the vectors to the index.

Uses of KnnVectorsWriter in org.apache.lucene.codecs.hnsw

Subclasses of KnnVectorsWriter in org.apache.lucene.codecs.hnsw

Modifier and Type	Class	Description
class	FlatVectorsWriter	Vectors' writer for a field that allows additional indexing logic to be implemented by the caller

Uses of KnnVectorsWriter in org.apache.lucene.codecs.lucene102

Subclasses of KnnVectorsWriter in org.apache.lucene.codecs.lucene102

Modifier and Type	Class	Description
class	Lucene102BinaryQuantizedVectorsWriter	Copied from Lucene, replace with Lucene's implementation sometime after Lucene 10

Methods in org.apache.lucene.codecs.lucene102 that return KnnVectorsWriter

Modifier and Type	Method	Description
KnnVectorsWriter	Lucene102HnswBinaryQuantizedVectorsFormat.fieldsWriter(SegmentWriteState state)

Uses of KnnVectorsWriter in org.apache.lucene.codecs.lucene99

Subclasses of KnnVectorsWriter in org.apache.lucene.codecs.lucene99

Modifier and Type	Class	Description
final class	Lucene99FlatVectorsWriter	Writes vector values to index segments.
final class	Lucene99HnswVectorsWriter	Writes vector values and knn graphs to index segments.
final class	Lucene99ScalarQuantizedVectorsWriter	Writes quantized vector values and metadata to index segments.

Methods in org.apache.lucene.codecs.lucene99 that return KnnVectorsWriter

Modifier and Type	Method	Description
KnnVectorsWriter	Lucene99HnswScalarQuantizedVectorsFormat.fieldsWriter(SegmentWriteState state)
KnnVectorsWriter	Lucene99HnswVectorsFormat.fieldsWriter(SegmentWriteState state)

Uses of KnnVectorsWriter in org.apache.lucene.codecs.perfield

Methods in org.apache.lucene.codecs.perfield that return KnnVectorsWriter

Modifier and Type	Method	Description
KnnVectorsWriter	PerFieldKnnVectorsFormat.fieldsWriter(SegmentWriteState state)