Class InAndOutHandler

Collection of callbacks for an output port of a GraphStage<TShape> and for an input port of a GraphStage<TShape>

Inheritance
object
InAndOutHandler
Implements
Inherited Members
Namespace: Akka.Streams.Stage
Assembly: Akka.Streams.dll
Syntax
public abstract class InAndOutHandler : IInHandler, IOutHandler

Methods

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OnDownstreamFinish(Exception)

Called when the output port will no longer accept any new elements. After this callback no other callbacks will be called for this port.

Declaration
public virtual void OnDownstreamFinish(Exception cause)
Parameters
Type Name Description
Exception cause
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OnPull()

Called when the output port has received a pull, and therefore ready to emit an element, i.e. Push<T>(Outlet<T>, T) is now allowed to be called on this port.

Declaration
public abstract void OnPull()
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OnPush()

Called when the input port has a new element available. The actual element can be retrieved via the Grab<T>(Inlet<T>) method.

Declaration
public abstract void OnPush()
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OnUpstreamFailure(Exception)

Called when the input port has failed. After this callback no other callbacks will be called for this port.

Declaration
public virtual void OnUpstreamFailure(Exception e)
Parameters
Type Name Description
Exception e

TBD
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OnUpstreamFinish()

Called when the input port is finished. After this callback no other callbacks will be called for this port.

Declaration
public virtual void OnUpstreamFinish()

Implements

Extension Methods