QStreamable.AlterEventLifetime<TPayload> Method
Alters the lifetime of events.
Namespace: Microsoft.ComplexEventProcessing.Linq
Assembly: Microsoft.ComplexEventProcessing (in Microsoft.ComplexEventProcessing.dll)
Syntax
'Declaration
<ExtensionAttribute> _
Public Shared Function AlterEventLifetime(Of TPayload) ( _
source As IQStreamable(Of TPayload), _
startTimeSelector As Expression(Of Func(Of CepEvent, DateTime)), _
durationSelector As Expression(Of Func(Of CepEvent(Of TPayload), TimeSpan)) _
) As IQStreamable(Of TPayload)
'Usage
Dim source As IQStreamable(Of TPayload)
Dim startTimeSelector As Expression(Of Func(Of CepEvent, DateTime))
Dim durationSelector As Expression(Of Func(Of CepEvent(Of TPayload), TimeSpan))
Dim returnValue As IQStreamable(Of TPayload)
returnValue = source.AlterEventLifetime(startTimeSelector, _
durationSelector)
public static IQStreamable<TPayload> AlterEventLifetime<TPayload>(
this IQStreamable<TPayload> source,
Expression<Func<CepEvent, DateTime>> startTimeSelector,
Expression<Func<CepEvent<TPayload>, TimeSpan>> durationSelector
)
[ExtensionAttribute]
public:
generic<typename TPayload>
static IQStreamable<TPayload>^ AlterEventLifetime(
IQStreamable<TPayload>^ source,
Expression<Func<CepEvent^, DateTime>^>^ startTimeSelector,
Expression<Func<CepEvent<TPayload>^, TimeSpan>^>^ durationSelector
)
static member AlterEventLifetime :
source:IQStreamable<'TPayload> *
startTimeSelector:Expression<Func<CepEvent, DateTime>> *
durationSelector:Expression<Func<CepEvent<'TPayload>, TimeSpan>> -> IQStreamable<'TPayload>
JScript does not support generic types and methods.
Type Parameters
- TPayload
The payload type.
Parameters
- source
Type: Microsoft.ComplexEventProcessing.Linq.IQStreamable<TPayload>
The input stream.
- startTimeSelector
Type: System.Linq.Expressions.Expression<Func<CepEvent, DateTime>>
The function modifying the start time of events.
- durationSelector
Type: System.Linq.Expressions.Expression<Func<CepEvent<TPayload>, TimeSpan>>
The function modifying the duration of events.
Return Value
Type: Microsoft.ComplexEventProcessing.Linq.IQStreamable<TPayload>
The altered stream.
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type IQStreamable<TPayload>. 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).