QStreamable.Scan<TSourceEvent, TSource, TResult> Method
Scans a stream using a user-defined stream operator.
Namespace: Microsoft.ComplexEventProcessing.Linq
Assembly: Microsoft.ComplexEventProcessing (in Microsoft.ComplexEventProcessing.dll)
Syntax
'Declaration
<ExtensionAttribute> _
Public Shared Function Scan(Of TSourceEvent As TypedEvent(Of TSource), TSource, TResult) ( _
source As IQStreamable(Of TSource), _
initializeOp As Expression(Of Func(Of CepStreamOperator(Of TSourceEvent, TSource, TResult))) _
) As IQStreamable(Of TResult)
'Usage
Dim source As IQStreamable(Of TSource)
Dim initializeOp As Expression(Of Func(Of CepStreamOperator(Of TSourceEvent, TSource, TResult)))
Dim returnValue As IQStreamable(Of TResult)
returnValue = source.Scan(initializeOp)
public static IQStreamable<TResult> Scan<TSourceEvent, TSource, TResult>(
this IQStreamable<TSource> source,
Expression<Func<CepStreamOperator<TSourceEvent, TSource, TResult>>> initializeOp
)
where TSourceEvent : TypedEvent<TSource>
[ExtensionAttribute]
public:
generic<typename TSourceEvent, typename TSource, typename TResult>
where TSourceEvent : TypedEvent<TSource>
static IQStreamable<TResult>^ Scan(
IQStreamable<TSource>^ source,
Expression<Func<CepStreamOperator<TSourceEvent, TSource, TResult>^>^>^ initializeOp
)
static member Scan :
source:IQStreamable<'TSource> *
initializeOp:Expression<Func<CepStreamOperator<'TSourceEvent, 'TSource, 'TResult>>> -> IQStreamable<'TResult> when 'TSourceEvent : TypedEvent<'TSource>
JScript does not support generic types and methods.
Type Parameters
- TSourceEvent
The source event type.
- TSource
The source payload type.
- TResult
The result payload type.
Parameters
- source
Type: Microsoft.ComplexEventProcessing.Linq.IQStreamable<TSource>
The source stream.
- initializeOp
Type: System.Linq.Expressions.Expression<Func<CepStreamOperator<TSourceEvent, TSource, TResult>>>
The function initializing user-defined stream operator.
Return Value
Type: Microsoft.ComplexEventProcessing.Linq.IQStreamable<TResult>
The result stream.
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type IQStreamable<TSource>. 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.111) or https://msdn.microsoft.com/en-us/library/bb383977(v=sql.111).