Streamable.ReservoirSample<TPayload> Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Streaming reservoir sampling extension (works only on a stream with ConstantDuration property set to true, and the duration set to StreamEvent.InfinitySyncTime, i.e., the stream has only start-edges)
public static Microsoft.StreamProcessing.IStreamable<Microsoft.StreamProcessing.Empty,TPayload> ReservoirSample<TPayload> (this Microsoft.StreamProcessing.IStreamable<Microsoft.StreamProcessing.Empty,TPayload> source, int reservoirSize, int randomSeed = 0);static member ReservoirSample : Microsoft.StreamProcessing.IStreamable<Microsoft.StreamProcessing.Empty, 'Payload> * int * int -> Microsoft.StreamProcessing.IStreamable<Microsoft.StreamProcessing.Empty, 'Payload><Extension()>
Public Function ReservoirSample(Of TPayload) (source As IStreamable(Of Empty, TPayload), reservoirSize As Integer, Optional randomSeed As Integer = 0) As IStreamable(Of Empty, TPayload)Type Parameters
- TPayload
Input payload type
Parameters
- source
- IStreamable<Empty,TPayload>
Input stream
- reservoirSize
- Int32
Size of the reservoir
- randomSeed
- Int32
Random seed
Returns
IStreamable<Empty,TPayload>
Reservoir-sampled stream