Class DirectIOLucene99FlatVectorsReader

java.lang.Object
org.apache.lucene.codecs.KnnVectorsReader
org.apache.lucene.codecs.hnsw.FlatVectorsReader
org.elasticsearch.index.codec.vectors.es818.DirectIOLucene99FlatVectorsReader
All Implemented Interfaces:
Closeable, AutoCloseable, org.apache.lucene.util.Accountable, OffHeapStats

public class DirectIOLucene99FlatVectorsReader extends org.apache.lucene.codecs.hnsw.FlatVectorsReader implements OffHeapStats
Copied from Lucene99FlatVectorsReader in Lucene 10.2, then modified to support DirectIOIndexInputSupplier
  • Constructor Details

    • DirectIOLucene99FlatVectorsReader

      public DirectIOLucene99FlatVectorsReader(org.apache.lucene.index.SegmentReadState state, org.apache.lucene.codecs.hnsw.FlatVectorsScorer scorer) throws IOException
      Throws:
      IOException
  • Method Details

    • ramBytesUsed

      public long ramBytesUsed()
      Specified by:
      ramBytesUsed in interface org.apache.lucene.util.Accountable
    • checkIntegrity

      public void checkIntegrity() throws IOException
      Specified by:
      checkIntegrity in class org.apache.lucene.codecs.KnnVectorsReader
      Throws:
      IOException
    • getMergeInstance

      public org.apache.lucene.codecs.hnsw.FlatVectorsReader getMergeInstance()
      Overrides:
      getMergeInstance in class org.apache.lucene.codecs.hnsw.FlatVectorsReader
    • getFloatVectorValues

      public org.apache.lucene.index.FloatVectorValues getFloatVectorValues(String field) throws IOException
      Specified by:
      getFloatVectorValues in class org.apache.lucene.codecs.KnnVectorsReader
      Throws:
      IOException
    • getByteVectorValues

      public org.apache.lucene.index.ByteVectorValues getByteVectorValues(String field) throws IOException
      Specified by:
      getByteVectorValues in class org.apache.lucene.codecs.KnnVectorsReader
      Throws:
      IOException
    • getRandomVectorScorer

      public org.apache.lucene.util.hnsw.RandomVectorScorer getRandomVectorScorer(String field, float[] target) throws IOException
      Specified by:
      getRandomVectorScorer in class org.apache.lucene.codecs.hnsw.FlatVectorsReader
      Throws:
      IOException
    • getRandomVectorScorer

      public org.apache.lucene.util.hnsw.RandomVectorScorer getRandomVectorScorer(String field, byte[] target) throws IOException
      Specified by:
      getRandomVectorScorer in class org.apache.lucene.codecs.hnsw.FlatVectorsReader
      Throws:
      IOException
    • finishMerge

      public void finishMerge() throws IOException
      Overrides:
      finishMerge in class org.apache.lucene.codecs.KnnVectorsReader
      Throws:
      IOException
    • close

      public void close() throws IOException
      Specified by:
      close in interface AutoCloseable
      Specified by:
      close in interface Closeable
      Throws:
      IOException
    • getOffHeapByteSize

      public Map<String,Long> getOffHeapByteSize(org.apache.lucene.index.FieldInfo fieldInfo)
      Specified by:
      getOffHeapByteSize in interface OffHeapStats