[This topic is pre-release documentation and is subject to change in future releases. Blank topics are included as placeholders.]

All aggregation services require evaluation nodes which supply the value to be aggregated (summed, averaged, etc.) and aggregation state factories to make new aggregation states.

Namespace: net.esper.eql.core
Assembly:   NEsper (in NEsper.dll)

Syntax

Visual Basic (Declaration)
Public MustInherit Class AggregationServiceBase _
	Implements AggregationService, AggregationResultFuture
C#
public abstract class AggregationServiceBase : AggregationService, AggregationResultFuture
Visual C++
public ref class AggregationServiceBase abstract : AggregationService, AggregationResultFuture

Inheritance Hierarchy