Uses of Interface
org.apache.lucene.search.KnnCollector

Packages that use KnnCollector

Package	Description
org.apache.lucene.codecs	Codecs API: API for customization of the encoding and structure of the index.
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.
org.apache.lucene.index	Code to maintain and access indices.
org.apache.lucene.search	Code to search indices.
org.apache.lucene.util.hnsw	Navigable Small-World graph, nominally Hierarchical but currently only has a single layer.

Uses of KnnCollector in org.apache.lucene.codecs

Methods in org.apache.lucene.codecs with parameters of type KnnCollector

Modifier and Type	Method	Description
abstract void	KnnVectorsReader.search(String field, byte[] target, KnnCollector knnCollector, Bits acceptDocs)	Return the k nearest neighbor documents as determined by comparison of their vector values for this field, to the given vector, by the field's similarity function.
abstract void	KnnVectorsReader.search(String field, float[] target, KnnCollector knnCollector, Bits acceptDocs)	Return the k nearest neighbor documents as determined by comparison of their vector values for this field, to the given vector, by the field's similarity function.

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

Methods in org.apache.lucene.codecs.lucene99 with parameters of type KnnCollector

Modifier and Type	Method	Description
void	Lucene99HnswVectorsReader.search(String field, byte[] target, KnnCollector knnCollector, Bits acceptDocs)
void	Lucene99HnswVectorsReader.search(String field, float[] target, KnnCollector knnCollector, Bits acceptDocs)

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

Methods in org.apache.lucene.codecs.perfield with parameters of type KnnCollector

Modifier and Type	Method	Description
void	PerFieldKnnVectorsFormat.FieldsReader.search(String field, byte[] target, KnnCollector knnCollector, Bits acceptDocs)
void	PerFieldKnnVectorsFormat.FieldsReader.search(String field, float[] target, KnnCollector knnCollector, Bits acceptDocs)

Uses of KnnCollector in org.apache.lucene.index

Methods in org.apache.lucene.index with parameters of type KnnCollector

Modifier and Type	Method	Description
final void	CodecReader.searchNearestVectors(String field, byte[] target, KnnCollector knnCollector, Bits acceptDocs)
final void	CodecReader.searchNearestVectors(String field, float[] target, KnnCollector knnCollector, Bits acceptDocs)
void	ExitableDirectoryReader.ExitableFilterAtomicReader.searchNearestVectors(String field, byte[] target, KnnCollector knnCollector, Bits acceptDocs)
void	ExitableDirectoryReader.ExitableFilterAtomicReader.searchNearestVectors(String field, float[] target, KnnCollector knnCollector, Bits acceptDocs)
void	FilterLeafReader.searchNearestVectors(String field, byte[] target, KnnCollector knnCollector, Bits acceptDocs)
void	FilterLeafReader.searchNearestVectors(String field, float[] target, KnnCollector knnCollector, Bits acceptDocs)
abstract void	LeafReader.searchNearestVectors(String field, byte[] target, KnnCollector knnCollector, Bits acceptDocs)	Return the k nearest neighbor documents as determined by comparison of their vector values for this field, to the given vector, by the field's similarity function.
abstract void	LeafReader.searchNearestVectors(String field, float[] target, KnnCollector knnCollector, Bits acceptDocs)	Return the k nearest neighbor documents as determined by comparison of their vector values for this field, to the given vector, by the field's similarity function.
void	ParallelLeafReader.searchNearestVectors(String fieldName, byte[] target, KnnCollector knnCollector, Bits acceptDocs)
void	ParallelLeafReader.searchNearestVectors(String fieldName, float[] target, KnnCollector knnCollector, Bits acceptDocs)

Uses of KnnCollector in org.apache.lucene.search

Classes in org.apache.lucene.search that implement KnnCollector

Modifier and Type	Class	Description
class	AbstractKnnCollector	AbstractKnnCollector is the default implementation for a knn collector used for gathering kNN results and providing topDocs from the gathered neighbors
final class	TopKnnCollector	TopKnnCollector is a specific KnnCollector.

Uses of KnnCollector in org.apache.lucene.util.hnsw

Classes in org.apache.lucene.util.hnsw that implement KnnCollector

Modifier and Type	Class	Description
static final class	HnswGraphBuilder.GraphBuilderKnnCollector	A restricted, specialized knnCollector that can be used when building a graph.
final class	OrdinalTranslatedKnnCollector	Wraps a provided KnnCollector object, translating the provided vectorId ordinal to a documentId

Methods in org.apache.lucene.util.hnsw that return KnnCollector

Modifier and Type	Method	Description
static KnnCollector	HnswGraphSearcher.search(RandomVectorScorer scorer, int topK, OnHeapHnswGraph graph, Bits acceptOrds, int visitedLimit)	Search OnHeapHnswGraph, this method is thread safe.

Methods in org.apache.lucene.util.hnsw with parameters of type KnnCollector

Modifier and Type	Method	Description
static void	HnswGraphSearcher.search(RandomVectorScorer scorer, KnnCollector knnCollector, HnswGraph graph, Bits acceptOrds)	Searches HNSW graph for the nearest neighbors of a query vector.

Constructors in org.apache.lucene.util.hnsw with parameters of type KnnCollector

Modifier	Constructor	Description
	OrdinalTranslatedKnnCollector(KnnCollector in, IntToIntFunction vectorOrdinalToDocId)