Package org.apache.lucene.backward_codecs.lucene90

Class Lucene90HnswVectorsReader

java.lang.Object

org.apache.lucene.codecs.KnnVectorsReader

org.apache.lucene.backward_codecs.lucene90.Lucene90HnswVectorsReader

All Implemented Interfaces:

Closeable, AutoCloseable, Accountable

public final class Lucene90HnswVectorsReader
extends KnnVectorsReader

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()
HnswGraph	getGraphValues(String field)	Get knn graph values; used for testing
VectorValues	getVectorValues(String field)
long	ramBytesUsed()
TopDocs	search(String field, float[] target, int k, Bits acceptDocs, int visitedLimit)

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()

checkIntegrity

public void checkIntegrity()
                    throws IOException

Specified by:

checkIntegrity in class KnnVectorsReader

Throws:

IOException

getVectorValues

public VectorValues getVectorValues(String field)
                             throws IOException

Specified by:

getVectorValues in class KnnVectorsReader

Throws:

IOException

search

public TopDocs search(String field,
 float[] target,
 int k,
 Bits acceptDocs,
 int visitedLimit)
               throws IOException

Specified by:

search in class KnnVectorsReader

Throws:

IOException

getGraphValues

public HnswGraph getGraphValues(String field)
                         throws IOException

Get knn graph values; used for testing

Throws:

IOException

close

public void close()
           throws IOException

Throws:

IOException