org.apache.lucene.queries.function.valuesource.VectorFieldFunction

public abstract class VectorFieldFunction extends FunctionValues

An implementation for retrieving FunctionValues instances for knn vectors fields.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.queries.function.FunctionValues
FunctionValues.ValueFiller
Field Summary

Fields

Modifier and Type

Field

Description

protected final ValueSource

valueSource
Constructor Summary

Constructors

Modifier

Constructor

Description

protected

VectorFieldFunction(ValueSource valueSource)
Method Summary

Modifier and Type

Method

Description

boolean

exists(int doc)

Returns true if there is a value for this document

protected abstract DocIdSetIterator

getVectorIterator()

String

toString(int doc)

Methods inherited from class org.apache.lucene.queries.function.FunctionValues
boolVal, bytesVal, byteVal, byteVal, byteVectorVal, cost, doubleVal, doubleVal, explain, floatVal, floatVal, floatVectorVal, getRangeScorer, getScorer, getValueFiller, intVal, intVal, longVal, longVal, numOrd, objectVal, ordVal, shortVal, shortVal, strVal, strVal

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- valueSource
  
  protected final ValueSource valueSource
Constructor Details
- VectorFieldFunction
  
  protected VectorFieldFunction(ValueSource valueSource)
Method Details
- getVectorIterator
  
  protected abstract DocIdSetIterator getVectorIterator()
- toString
  
  public String toString(int doc) throws IOException
  
  Specified by:
  
  toString in class FunctionValues
  
  Throws:
  
  IOException
- exists
  
  public boolean exists(int doc) throws IOException
  
  Description copied from class: FunctionValues
  
  Returns true if there is a value for this document
  
  Overrides:
  
  exists in class FunctionValues
  
  Throws:
  
  IOException

Class VectorFieldFunction

Nested Class Summary