CepStream.Where<TInput> Method (ICepEnumerable<TInput>, Expression<Func<TInput, Boolean>>)
Filters events from an enumerable input stream using the specified filter expression.
Namespace: Microsoft.ComplexEventProcessing.Linq
Assembly: Microsoft.ComplexEventProcessing (in Microsoft.ComplexEventProcessing.dll)
Syntax
public static ICepEnumerable<TInput> Where<TInput>(
this ICepEnumerable<TInput> source,
Expression<Func<TInput, bool>> predicate
)
Type Parameters
- TInput
Type of the source.
Parameters
- source
Type: Microsoft.ComplexEventProcessing.Linq.ICepEnumerable<TInput>
The enumerable source to be filtered. This parameter cannot be null.
- predicate
Type: System.Linq.Expressions.Expression<Func<TInput, Boolean>>
The selection predicate. This parameter cannot be null.
Return Value
Type: Microsoft.ComplexEventProcessing.Linq.ICepEnumerable<TInput>
The enumerable 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 ICepEnumerable<TInput>. 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).