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CepStream.Where<TPayload> Method (CepStream<TPayload>, Expression<Func<TPayload, Boolean>>)

Filters events from an input stream using a given filter function.

Namespace:  Microsoft.ComplexEventProcessing.Linq
Assembly:  Microsoft.ComplexEventProcessing (in Microsoft.ComplexEventProcessing.dll)

Syntax

public static CepStream<TPayload> Where<TPayload>(
    this CepStream<TPayload> source,
    Expression<Func<TPayload, bool>> filter
)

Type Parameters

  • TPayload
    Type of the input event payload.

Parameters

Return Value

Type: Microsoft.ComplexEventProcessing.Linq.CepStream<TPayload>
The stream of filtered events.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type CepStream<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.105) or https://msdn.microsoft.com/en-us/library/bb383977(v=sql.105).

See Also

Reference

CepStream Class

Where Overload

Microsoft.ComplexEventProcessing.Linq Namespace