Package org.apache.calcite.interpreter

Class AggregateNode.ScalarAccumulatorDef

java.lang.Object

org.apache.calcite.interpreter.AggregateNode.ScalarAccumulatorDef

All Implemented Interfaces:

java.util.function.Supplier<AggregateNode.Accumulator>, AggregateNode.AccumulatorFactory

Enclosing class:

AggregateNode

private static class AggregateNode.ScalarAccumulatorDef
extends java.lang.Object
implements AggregateNode.AccumulatorFactory

Accumulator powered by Scalar code fragments.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) int	accumulatorLength
(package private) Scalar	addScalar
(package private) Context	endContext
(package private) Scalar	endScalar
(package private) Scalar	initScalar
(package private) int	rowLength
(package private) Context	sendContext

Constructor Summary

Constructors

Modifier	Constructor	Description
private	ScalarAccumulatorDef(Scalar initScalar, Scalar addScalar, Scalar endScalar, int rowLength, int accumulatorLength, DataContext root)

Method Summary

Modifier and Type	Method	Description
AggregateNode.Accumulator	get()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

initScalar

final Scalar initScalar

addScalar

final Scalar addScalar

endScalar

final Scalar endScalar

sendContext

final Context sendContext

endContext

final Context endContext

rowLength

final int rowLength

accumulatorLength

final int accumulatorLength

Constructor Detail

ScalarAccumulatorDef

private ScalarAccumulatorDef(Scalar initScalar,
                             Scalar addScalar,
                             Scalar endScalar,
                             int rowLength,
                             int accumulatorLength,
                             DataContext root)

Method Detail

get

public AggregateNode.Accumulator get()

Specified by:

get in interface java.util.function.Supplier<AggregateNode.Accumulator>