Interface IRequestStrategy

An ActorSubscriber defines a IRequestStrategy to control the stream back pressure.

Namespace: Akka.Streams.Actors
Assembly: Akka.Streams.dll
Syntax
public interface IRequestStrategy

Methods

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RequestDemand(int)

Invoked by the ActorSubscriber after each incoming message to determine how many more elements to request from the stream.

Declaration
int RequestDemand(int remainingRequested)
Parameters
Type Name Description
int remainingRequested

current remaining number of elements that have been requested from upstream but not received yet
Returns
Type Description
int

demand of more elements from the stream, returning 0 means that no more elements will be requested for now

Extension Methods