Class OffHeapFloatVectorValues
java.lang.Object
org.apache.lucene.search.DocIdSetIterator
org.apache.lucene.index.FloatVectorValues
org.apache.lucene.codecs.lucene95.OffHeapFloatVectorValues
- All Implemented Interfaces:
RandomAccessVectorValues
,RandomAccessVectorValues.Floats
- Direct Known Subclasses:
OffHeapFloatVectorValues.DenseOffHeapVectorValues
public abstract class OffHeapFloatVectorValues
extends FloatVectorValues
implements RandomAccessVectorValues.Floats
Read the vector values from the index input. This supports both iterated and random access.
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Nested Class Summary
Nested ClassesModifier and TypeClassDescriptionstatic class
Dense vector values that are stored off-heap.Nested classes/interfaces inherited from interface org.apache.lucene.util.hnsw.RandomAccessVectorValues
RandomAccessVectorValues.Bytes, RandomAccessVectorValues.Floats
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Field Summary
FieldsModifier and TypeFieldDescriptionprotected final int
protected final int
protected final FlatVectorsScorer
protected int
protected final VectorSimilarityFunction
protected final int
protected final IndexInput
protected final float[]
Fields inherited from class org.apache.lucene.search.DocIdSetIterator
NO_MORE_DOCS
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Method Summary
Modifier and TypeMethodDescriptionint
Return the dimension of the vectorsgetSlice()
Returns a slice of the underlyingIndexInput
that contains the vector values if availablestatic OffHeapFloatVectorValues
load
(VectorSimilarityFunction vectorSimilarityFunction, FlatVectorsScorer flatVectorsScorer, OrdToDocDISIReaderConfiguration configuration, VectorEncoding vectorEncoding, int dimension, long vectorDataOffset, long vectorDataLength, IndexInput vectorData) int
size()
Return the number of vectors for this field.float[]
vectorValue
(int targetOrd) Return the vector value indexed at the given ordinal.Methods inherited from class org.apache.lucene.index.FloatVectorValues
checkField, cost, scorer, vectorValue
Methods inherited from class org.apache.lucene.search.DocIdSetIterator
advance, all, docID, empty, nextDoc, range, slowAdvance
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface org.apache.lucene.util.hnsw.RandomAccessVectorValues
getAcceptOrds, ordToDoc
Methods inherited from interface org.apache.lucene.util.hnsw.RandomAccessVectorValues.Floats
copy, getVectorByteLength
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Field Details
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dimension
protected final int dimension -
size
protected final int size -
slice
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byteSize
protected final int byteSize -
lastOrd
protected int lastOrd -
value
protected final float[] value -
similarityFunction
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flatVectorsScorer
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Method Details
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dimension
public int dimension()Description copied from class:FloatVectorValues
Return the dimension of the vectors- Specified by:
dimension
in interfaceRandomAccessVectorValues
- Specified by:
dimension
in classFloatVectorValues
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size
public int size()Description copied from class:FloatVectorValues
Return the number of vectors for this field.- Specified by:
size
in interfaceRandomAccessVectorValues
- Specified by:
size
in classFloatVectorValues
- Returns:
- the number of vectors returned by this iterator
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getSlice
Description copied from interface:RandomAccessVectorValues
Returns a slice of the underlyingIndexInput
that contains the vector values if available- Specified by:
getSlice
in interfaceRandomAccessVectorValues
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vectorValue
Description copied from interface:RandomAccessVectorValues.Floats
Return the vector value indexed at the given ordinal.- Specified by:
vectorValue
in interfaceRandomAccessVectorValues.Floats
- Parameters:
targetOrd
- a valid ordinal, ≥ 0 and <RandomAccessVectorValues.size()
.- Throws:
IOException
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load
public static OffHeapFloatVectorValues load(VectorSimilarityFunction vectorSimilarityFunction, FlatVectorsScorer flatVectorsScorer, OrdToDocDISIReaderConfiguration configuration, VectorEncoding vectorEncoding, int dimension, long vectorDataOffset, long vectorDataLength, IndexInput vectorData) throws IOException - Throws:
IOException
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