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

Packages that use KnnVectorsFormat

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.lucene104	Lucene 10.4 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 KnnVectorsFormat in org.apache.lucene.codecs

Fields in org.apache.lucene.codecs declared as KnnVectorsFormat

Modifier and Type	Field	Description
static final KnnVectorsFormat	KnnVectorsFormat.EMPTY	EMPTY throws an exception when written.

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

Modifier and Type	Method	Description
static KnnVectorsFormat	KnnVectorsFormat.forName(String name)	looks up a format by name
abstract KnnVectorsFormat	Codec.knnVectorsFormat()	Encodes/decodes numeric vector fields
KnnVectorsFormat	FilterCodec.knnVectorsFormat()

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

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

Modifier and Type	Class	Description
class	FlatVectorsFormat	Encodes/decodes per-document vectors and provides a scoring interface for the flat stored vectors

Uses of KnnVectorsFormat in org.apache.lucene.codecs.lucene104

Subclasses of KnnVectorsFormat in org.apache.lucene.codecs.lucene104

Modifier and Type	Class	Description
class	Lucene104HnswScalarQuantizedVectorsFormat	A vectors format that uses HNSW graph to store and search for vectors.
class	Lucene104ScalarQuantizedVectorsFormat	The quantization format used here is a per-vector optimized scalar quantization.

Methods in org.apache.lucene.codecs.lucene104 that return KnnVectorsFormat

Modifier and Type	Method	Description
KnnVectorsFormat	Lucene104Codec.getKnnVectorsFormatForField(String field)	Returns the vectors format that should be used for writing new segments of field
final KnnVectorsFormat	Lucene104Codec.knnVectorsFormat()

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

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

Modifier and Type	Class	Description
final class	Lucene99FlatVectorsFormat	Lucene 9.9 flat vector format, which encodes numeric vector values
final class	Lucene99HnswVectorsFormat	Lucene 9.9 vector format, which encodes numeric vector values into an associated graph connecting the documents having values.

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

Subclasses of KnnVectorsFormat in org.apache.lucene.codecs.perfield

Modifier and Type	Class	Description
class	PerFieldKnnVectorsFormat	Enables per field numeric vector support.

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

Modifier and Type	Method	Description
abstract KnnVectorsFormat	PerFieldKnnVectorsFormat.getKnnVectorsFormatForField(String field)	Returns the numeric vector format that should be used for writing new segments of field .