CepStream.Scan<TInputEvent, TInputPayload, TOutputPayload> Method
Scans an input stream using a user-defined stream operator.
Namespace: Microsoft.ComplexEventProcessing.Linq
Assembly: Microsoft.ComplexEventProcessing (in Microsoft.ComplexEventProcessing.dll)
Syntax
public static CepStream<TOutputPayload> Scan<TInputEvent, TInputPayload, TOutputPayload>(
this CepStream<TInputPayload> source,
CepStreamOperator<TInputEvent, TInputPayload, TOutputPayload> initialState
)
where TInputEvent : TypedEvent<TInputPayload>
Type Parameters
- TInputEvent
The type of the input event.
- TInputPayload
The type of the input event payload.
- TOutputPayload
The type of the output event payload.
Parameters
- source
Type: Microsoft.ComplexEventProcessing.Linq.CepStream<TInputPayload>
The CepStream to scan.
- initialState
Type: Microsoft.ComplexEventProcessing.Extensibility.CepStreamOperator<TInputEvent, TInputPayload, TOutputPayload>
The initial state of the user-defined stream operator.
Return Value
Type: Microsoft.ComplexEventProcessing.Linq.CepStream<TOutputPayload>
Stream produced by the user-defined stream operator.
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type CepStream<TInputPayload>. When you use instance method syntax to call this method, omit the first parameter. For more information, see https://msdn.microsoft.com/en-us/library/bb384936(v=sql.105) or https://msdn.microsoft.com/en-us/library/bb383977(v=sql.105).
Remarks
For more information, see User-Defined Stream Operators.