t

akka.stream.stage

InHandler

trait InHandler extends AnyRef

Collection of callbacks for an input port of a GraphStage

Source
GraphStage.scala
Linear Supertypes
AnyRef, Any
Known Subclasses
AbstractInHandler, AbstractInOutHandler, ConditionalTerminateInput, EagerTerminateInput, IgnoreTerminateInput, TotallyIgnorantInput
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Inherited
  1. InHandler
  2. AnyRef
  3. Any
Implicitly
  1. by any2stringadd
  2. by StringFormat
  3. by Ensuring
  4. by ArrowAssoc
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Visibility
  1. Public
  2. All

Abstract Value Members

  1. abstract def onPush(): Unit

    Called when the input port has a new element available.

    Called when the input port has a new element available. The actual element can be retrieved via the GraphStageLogic.grab() method.

    Annotations
    @throws( classOf[Exception] )

Concrete Value Members

  1. def onUpstreamFailure(ex: Throwable): Unit

    Called when the input port has failed.

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

    Annotations
    @throws( classOf[Exception] )
  2. def onUpstreamFinish(): Unit

    Called when the input port is finished.

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

    Annotations
    @throws( classOf[Exception] )