[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.

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

Public Methods

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

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

Equals
Determines whether the specified Object is equal to the current Object.
(Inherited from Object.)
GetHashCode
Serves as a hash function for a particular type. GetHashCode() is suitable for use in hashing algorithms and data structures like a hash table.
(Inherited from Object.)
GetType
Gets the Type of the current instance.
(Inherited from Object.)
GetValue
Returns current aggregation state, for use by expression node representing an aggregation function.

ToString
Returns a String that represents the current Object.
(Inherited from Object.)

Protected Methods

  NameDescription
Finalize
Allows an Object to attempt to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection.
(Inherited from Object.)
MemberwiseClone
Creates a shallow copy of the current Object.
(Inherited from Object.)

Public Constructors

  NameDescription
AggregationServiceBaseNew
Ctor.

Public Properties

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