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A null object implementation of the AggregationService interface.

The following tables list the members exposed by the AggregationServiceNull type.

Public Methods

  NameDescription
ApplyEnter
Apply events as entering a window (new events).

ApplyLeave
Apply events as leaving a window (old events).

Equals (Inherited from Object.)
GetHashCode (Inherited from Object.)
GetType (Inherited from Object.)
GetValue
Returns current aggregation state, for use by expression node representing an aggregation function.

ToString (Inherited from Object.)

Protected Methods

  NameDescription
Finalize (Inherited from Object.)
MemberwiseClone (Inherited from Object.)

Public Constructors

  NameDescription
AggregationServiceNullNew

Public Properties

  NameDescription
CurrentRow
Set the current aggregation state row - for use when evaluation nodes are asked to evaluate.