BufferingKnnVectorsWriter.FieldWriter

java.lang.Object

org.apache.lucene.codecs.KnnFieldVectorsWriter<float[]>

org.apache.lucene.index.BufferingKnnVectorsWriter.FieldWriter

All Implemented Interfaces:: Accountable

Enclosing class:: BufferingKnnVectorsWriter

private static class BufferingKnnVectorsWriter.FieldWriter extends KnnFieldVectorsWriter<float[]>

Field Summary

Fields

Modifier and Type

Field

Description

private final int

dim

private final DocsWithFieldSet

docsWithField

private final FieldInfo

fieldInfo

private int

lastDocID

private final List<float[]>

vectors

Fields inherited from interface org.apache.lucene.util.Accountable
NULL_ACCOUNTABLE
Constructor Summary

Constructors

Constructor

Description

FieldWriter(FieldInfo fieldInfo)
Method Summary

Modifier and Type

Method

Description

void

addValue(int docID, Object value)

Add new docID with its vector value to the given field for indexing.

private float[]

bytesToFloats(BytesRef b)

float[]

copyValue(float[] vectorValue)

Used to copy values being indexed to internal storage.

long

ramBytesUsed()

Return the memory usage of this object in bytes.

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

Field Details
- fieldInfo
  
  private final FieldInfo fieldInfo
- dim
  
  private final int dim
- docsWithField
  
  private final DocsWithFieldSet docsWithField
- vectors
  
  private final List<float[]> vectors
- lastDocID
  
  private int lastDocID
Constructor Details
- FieldWriter
  
  public FieldWriter(FieldInfo fieldInfo)
Method Details
- addValue
  
  public void addValue(int docID, Object value)
  
  Description copied from class: KnnFieldVectorsWriter
  
  Add new docID with its vector value to the given field for indexing. Doc IDs must be added in increasing order.
  
  Specified by:
  
  addValue in class KnnFieldVectorsWriter<float[]>
- bytesToFloats
  
  private float[] bytesToFloats(BytesRef b)
- copyValue
  
  public float[] copyValue(float[] vectorValue)
  
  Description copied from class: KnnFieldVectorsWriter
  
  Used to copy values being indexed to internal storage.
  
  Specified by:
  
  copyValue in class KnnFieldVectorsWriter<float[]>
  
  Parameters:
  
  vectorValue - an array containing the vector value to add
  
  Returns:
  
  a copy of the value; a new array
- ramBytesUsed
  
  public long ramBytesUsed()
  
  Description copied from interface: Accountable
  
  Return the memory usage of this object in bytes. Negative values are illegal.