Class OffHeapByteVectorValues
- java.lang.Object
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- org.apache.lucene.search.DocIdSetIterator
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- org.apache.lucene.index.ByteVectorValues
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- org.apache.lucene.codecs.lucene95.OffHeapByteVectorValues
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- All Implemented Interfaces:
RandomAccessVectorValues<byte[]>
- Direct Known Subclasses:
OffHeapByteVectorValues.DenseOffHeapVectorValues
public abstract class OffHeapByteVectorValues extends ByteVectorValues implements RandomAccessVectorValues<byte[]>
Read the vector values from the index input. This supports both iterated and random access.
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Nested Class Summary
Nested Classes Modifier and Type Class Description static class
OffHeapByteVectorValues.DenseOffHeapVectorValues
Dense vector values that are stored off-heap.
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Field Summary
Fields Modifier and Type Field Description protected byte[]
binaryValue
protected ByteBuffer
byteBuffer
protected int
byteSize
protected int
dimension
protected int
lastOrd
protected int
size
protected IndexInput
slice
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Fields inherited from class org.apache.lucene.search.DocIdSetIterator
NO_MORE_DOCS
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description int
dimension()
Return the dimension of the vectorsstatic OffHeapByteVectorValues
load(OrdToDocDISIReaderConfiguration configuration, VectorEncoding vectorEncoding, int dimension, long vectorDataOffset, long vectorDataLength, IndexInput vectorData)
int
size()
Return the number of vectors for this field.byte[]
vectorValue(int targetOrd)
Return the vector value indexed at the given ordinal.-
Methods inherited from class org.apache.lucene.index.ByteVectorValues
cost, vectorValue
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Methods inherited from class org.apache.lucene.search.DocIdSetIterator
advance, all, docID, empty, nextDoc, range, slowAdvance
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.apache.lucene.util.hnsw.RandomAccessVectorValues
copy, getAcceptOrds, ordToDoc
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Field Detail
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dimension
protected final int dimension
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size
protected final int size
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slice
protected final IndexInput slice
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lastOrd
protected int lastOrd
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binaryValue
protected final byte[] binaryValue
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byteBuffer
protected final ByteBuffer byteBuffer
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byteSize
protected final int byteSize
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Method Detail
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dimension
public int dimension()
Description copied from class:ByteVectorValues
Return the dimension of the vectors- Specified by:
dimension
in interfaceRandomAccessVectorValues<byte[]>
- Specified by:
dimension
in classByteVectorValues
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size
public int size()
Description copied from class:ByteVectorValues
Return the number of vectors for this field.- Specified by:
size
in interfaceRandomAccessVectorValues<byte[]>
- Specified by:
size
in classByteVectorValues
- Returns:
- the number of vectors returned by this iterator
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vectorValue
public byte[] vectorValue(int targetOrd) throws IOException
Description copied from interface:RandomAccessVectorValues
Return the vector value indexed at the given ordinal.- Specified by:
vectorValue
in interfaceRandomAccessVectorValues<byte[]>
- Parameters:
targetOrd
- a valid ordinal, ≥ 0 and <RandomAccessVectorValues.size()
.- Throws:
IOException
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load
public static OffHeapByteVectorValues load(OrdToDocDISIReaderConfiguration configuration, VectorEncoding vectorEncoding, int dimension, long vectorDataOffset, long vectorDataLength, IndexInput vectorData) throws IOException
- Throws:
IOException
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