Uses of Package
org.apache.lucene.util.hnsw
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Packages that use org.apache.lucene.util.hnsw Package Description org.apache.lucene.codecs.hnsw HNSW vector helper classes.org.apache.lucene.codecs.lucene95 Lucene 9.5 file format.org.apache.lucene.codecs.lucene99 Lucene 9.9 file format.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.org.apache.lucene.util.quantization Provides quantization methods for scaling vector values to smaller data types and possibly fewer dimensions -
Classes in org.apache.lucene.util.hnsw used by org.apache.lucene.codecs.hnsw Class Description CloseableRandomVectorScorerSupplier A supplier that createsRandomVectorScorer
from an ordinal.HnswGraph Hierarchical Navigable Small World graph.RandomAccessVectorValues Provides random access to vectors by dense ordinal.RandomVectorScorer ARandomVectorScorer
for scoring random nodes in batches against an abstract query.RandomVectorScorerSupplier A supplier that createsRandomVectorScorer
from an ordinal. -
Classes in org.apache.lucene.util.hnsw used by org.apache.lucene.codecs.lucene95 Class Description RandomAccessVectorValues Provides random access to vectors by dense ordinal.RandomAccessVectorValues.Bytes Byte vector values.RandomAccessVectorValues.Floats Float vector values. -
Classes in org.apache.lucene.util.hnsw used by org.apache.lucene.codecs.lucene99 Class Description CloseableRandomVectorScorerSupplier A supplier that createsRandomVectorScorer
from an ordinal.HnswGraph Hierarchical Navigable Small World graph.RandomAccessVectorValues Provides random access to vectors by dense ordinal.RandomAccessVectorValues.Bytes Byte vector values.RandomVectorScorer ARandomVectorScorer
for scoring random nodes in batches against an abstract query.RandomVectorScorerSupplier A supplier that createsRandomVectorScorer
from an ordinal. -
Classes in org.apache.lucene.util.hnsw used by org.apache.lucene.search Class Description NeighborQueue NeighborQueue uses aLongHeap
to store lists of arcs in an HNSW graph, represented as a neighbor node id with an associated score packed together as a sortable long, which is sorted primarily by score. -
Classes in org.apache.lucene.util.hnsw used by org.apache.lucene.search.knn Class Description BlockingFloatHeap A blocking bounded min heap that stores floats. -
Classes in org.apache.lucene.util.hnsw used by org.apache.lucene.util.hnsw Class Description HnswBuilder Interface for builder building theOnHeapHnswGraph
HnswGraph Hierarchical Navigable Small World graph.HnswGraph.NodesIterator Iterator over the graph nodes on a certain level, Iterator also provides the size – the total number of nodes to be iterated over.HnswGraphBuilder Builder for HNSW graph.HnswGraphBuilder.GraphBuilderKnnCollector A restricted, specialized knnCollector that can be used when building a graph.HnswGraphMerger Abstraction of merging multiple graphs into one on-heap graphHnswGraphSearcher Searches an HNSW graph to find nearest neighbors to a query vector.IncrementalHnswGraphMerger This selects the biggest Hnsw graph from the provided merge state and initializes a new HnswGraphBuilder with that graph as a starting point.InitializedHnswGraphBuilder This creates a graph builder that is initialized with the provided HnswGraph.IntToIntFunction Native int to int functionNeighborArray NeighborArray encodes the neighbors of a node and their mutual scores in the HNSW graph as a pair of growable arrays.NeighborQueue NeighborQueue uses aLongHeap
to store lists of arcs in an HNSW graph, represented as a neighbor node id with an associated score packed together as a sortable long, which is sorted primarily by score.OnHeapHnswGraph AnHnswGraph
where all nodes and connections are held in memory.RandomAccessVectorValues Provides random access to vectors by dense ordinal.RandomAccessVectorValues.Bytes Byte vector values.RandomAccessVectorValues.Floats Float vector values.RandomVectorScorer ARandomVectorScorer
for scoring random nodes in batches against an abstract query.RandomVectorScorerSupplier A supplier that createsRandomVectorScorer
from an ordinal. -
Classes in org.apache.lucene.util.hnsw used by org.apache.lucene.util.quantization Class Description RandomAccessVectorValues Provides random access to vectors by dense ordinal.RandomAccessVectorValues.Bytes Byte vector values.