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

Maintains aggregation state applying values as entering and leaving the state.

Implementations must also act as a factory for further independent copies of aggregation states such that new aggregation state holders and be created from a prototype.

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

Syntax

Visual Basic (Declaration)
Public Interface Aggregator
C#
public interface Aggregator
Visual C++
public interface class Aggregator