Package org.apache.lucene.backward_codecs.lucene95

Class Lucene95HnswVectorsReader

java.lang.Object

org.apache.lucene.codecs.KnnVectorsReader

org.apache.lucene.backward_codecs.lucene95.Lucene95HnswVectorsReader

All Implemented Interfaces:

Closeable, AutoCloseable, HnswGraphProvider, Accountable

public final class Lucene95HnswVectorsReader
extends KnnVectorsReader
implements HnswGraphProvider

Reads vectors from the index segments along with index data structures supporting KNN search.

WARNING: This API is experimental and might change in incompatible ways in the next release.

Field Summary

Fields inherited from interface org.apache.lucene.util.Accountable

NULL_ACCOUNTABLE

Method Summary

Modifier and Type	Method	Description
void	checkIntegrity()
void	close()
ByteVectorValues	getByteVectorValues(String field)
FloatVectorValues	getFloatVectorValues(String field)
HnswGraph	getGraph(String field)	Get knn graph values; used for testing
long	ramBytesUsed()
void	search(String field, byte[] target, KnnCollector knnCollector, Bits acceptDocs)
void	search(String field, float[] target, KnnCollector knnCollector, Bits acceptDocs)

Methods inherited from class org.apache.lucene.codecs.KnnVectorsReader

getMergeInstance

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.Accountable

getChildResources

Method Details

ramBytesUsed

public long ramBytesUsed()

Specified by:

ramBytesUsed in interface Accountable

checkIntegrity

public void checkIntegrity()
                    throws IOException

Specified by:

checkIntegrity in class KnnVectorsReader

Throws:

IOException

getFloatVectorValues

public FloatVectorValues getFloatVectorValues(String field)
                                       throws IOException

Specified by:

getFloatVectorValues in class KnnVectorsReader

Throws:

IOException

getByteVectorValues

public ByteVectorValues getByteVectorValues(String field)
                                     throws IOException

Specified by:

getByteVectorValues in class KnnVectorsReader

Throws:

IOException

search

public void search(String field,
 float[] target,
 KnnCollector knnCollector,
 Bits acceptDocs)
            throws IOException

Specified by:

search in class KnnVectorsReader

Throws:

IOException

search

public void search(String field,
 byte[] target,
 KnnCollector knnCollector,
 Bits acceptDocs)
            throws IOException

Specified by:

search in class KnnVectorsReader

Throws:

IOException

getGraph

public HnswGraph getGraph(String field)
                   throws IOException

Get knn graph values; used for testing

Specified by:

getGraph in interface HnswGraphProvider

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException