Package org.apache.lucene.index
Interface RandomAccessVectorValues
- All Known Implementing Classes:
Lucene90HnswVectorsReader.OffHeapVectorValues
,Lucene91HnswVectorsReader.OffHeapVectorValues
,OffHeapVectorValues
,OffHeapVectorValues.DenseOffHeapVectorValues
,OffHeapVectorValues.EmptyOffHeapVectorValues
,OffHeapVectorValues.SparseOffHeapVectorValues
,SimpleTextKnnVectorsReader.SimpleTextVectorValues
,VectorValuesWriter.BufferedVectorValues
public interface RandomAccessVectorValues
Provides random access to vectors by dense ordinal.
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Method Summary
Modifier and TypeMethodDescriptionbinaryValue
(int targetOrd) Return the vector indexed at the given ordinal value as an array of bytes in a BytesRef; these are the bytes corresponding to the float array.int
Return the dimension of the returned vector valuesint
size()
Return the number of vector valuesfloat[]
vectorValue
(int targetOrd) Return the vector value indexed at the given ordinal.
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Method Details
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size
int size()Return the number of vector values -
dimension
int dimension()Return the dimension of the returned vector values -
vectorValue
Return the vector value indexed at the given ordinal. The provided floating point array may be shared and overwritten by subsequent calls to this method andbinaryValue(int)
.- Parameters:
targetOrd
- a valid ordinal, ≥ 0 and <size()
.- Throws:
IOException
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binaryValue
Return the vector indexed at the given ordinal value as an array of bytes in a BytesRef; these are the bytes corresponding to the float array. The provided bytes may be shared and overwritten by subsequent calls to this method andvectorValue(int)
.- Parameters:
targetOrd
- a valid ordinal, ≥ 0 and <size()
.- Throws:
IOException
-