Uses of Interface
org.apache.lucene.search.KnnCollector
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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.search.knn Classes related to vector search: knn and vector fields.org.apache.lucene.util.hnsw Navigable Small-World graph, nominally Hierarchical but currently only has a single layer. -
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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)
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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)
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Uses of KnnCollector in org.apache.lucene.index
Methods in org.apache.lucene.index with parameters of type KnnCollector Modifier and Type Method Description void
CodecReader. searchNearestVectors(String field, byte[] target, KnnCollector knnCollector, Bits acceptDocs)
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)
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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 neighborsclass
TopKnnCollector
TopKnnCollector is a specific KnnCollector. -
Uses of KnnCollector in org.apache.lucene.search.knn
Classes in org.apache.lucene.search.knn that implement KnnCollector Modifier and Type Class Description class
MultiLeafTopKnnCollector
MultiLeafTopKnnCollector is a specific KnnCollector that can exchange the top collected results across segments through a shared global queue.Methods in org.apache.lucene.search.knn that return KnnCollector Modifier and Type Method Description KnnCollector
KnnCollectorManager. newCollector(int visitedLimit, LeafReaderContext context)
Return a newKnnCollector
instance. -
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 class
HnswGraphBuilder.GraphBuilderKnnCollector
A restricted, specialized knnCollector that can be used when building a graph.class
OrdinalTranslatedKnnCollector
Wraps a provided KnnCollector object, translating the provided vectorId ordinal to a documentIdMethods 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)
SearchOnHeapHnswGraph
, 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 Constructor Description OrdinalTranslatedKnnCollector(KnnCollector in, IntToIntFunction vectorOrdinalToDocId)
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