Class OffHeapFloatVectorValues
java.lang.Object
org.apache.lucene.index.KnnVectorValues
org.apache.lucene.index.FloatVectorValues
org.apache.lucene.backward_codecs.lucene94.OffHeapFloatVectorValues
- Direct Known Subclasses:
OffHeapFloatVectorValues.DenseOffHeapVectorValues
,OffHeapFloatVectorValues.EmptyOffHeapVectorValues
,OffHeapFloatVectorValues.SparseOffHeapVectorValues
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 TypeClassDescription(package private) static class
private static class
private static class
Nested classes/interfaces inherited from class org.apache.lucene.index.KnnVectorValues
KnnVectorValues.DocIndexIterator
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Field Summary
FieldsModifier and TypeFieldDescriptionprotected final int
protected final int
protected int
protected final int
protected final IndexInput
protected final float[]
protected final VectorSimilarityFunction
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Constructor Summary
ConstructorsConstructorDescriptionOffHeapFloatVectorValues
(int dimension, int size, IndexInput slice, VectorSimilarityFunction vectorSimilarityFunction, int byteSize) -
Method Summary
Modifier and TypeMethodDescriptionint
Return the dimension of the vectors(package private) static OffHeapFloatVectorValues
load
(Lucene94HnswVectorsReader.FieldEntry fieldEntry, IndexInput vectorData) int
size()
Return the number of vectors for this field.float[]
vectorValue
(int targetOrd) Return the vector value for the given vector ordinal which must be in [0, size() - 1], otherwise IndexOutOfBoundsException is thrown.Methods inherited from class org.apache.lucene.index.FloatVectorValues
checkField, copy, fromFloats, getEncoding, scorer
Methods inherited from class org.apache.lucene.index.KnnVectorValues
createDenseIterator, createSparseIterator, fromDISI, getAcceptOrds, getVectorByteLength, iterator, ordToDoc
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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 -
vectorSimilarityFunction
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Constructor Details
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OffHeapFloatVectorValues
OffHeapFloatVectorValues(int dimension, int size, IndexInput slice, VectorSimilarityFunction vectorSimilarityFunction, int byteSize)
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Method Details
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dimension
public int dimension()Description copied from class:KnnVectorValues
Return the dimension of the vectors- Specified by:
dimension
in classKnnVectorValues
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size
public int size()Description copied from class:KnnVectorValues
Return the number of vectors for this field.- Specified by:
size
in classKnnVectorValues
- Returns:
- the number of vectors returned by this iterator
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vectorValue
Description copied from class:FloatVectorValues
Return the vector value for the given vector ordinal which must be in [0, size() - 1], otherwise IndexOutOfBoundsException is thrown. The returned array may be shared across calls.- Specified by:
vectorValue
in classFloatVectorValues
- Returns:
- the vector value
- Throws:
IOException
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load
static OffHeapFloatVectorValues load(Lucene94HnswVectorsReader.FieldEntry fieldEntry, IndexInput vectorData) throws IOException - Throws:
IOException
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