HeadOptionStage

java.lang.Object
- akka.stream.stage.GraphStageWithMaterializedValue<SinkShape<T>,scala.concurrent.Future<scala.Option<T>>>
- - akka.stream.impl.HeadOptionStage<T>

All Implemented Interfaces:: Graph<SinkShape<T>,scala.concurrent.Future<scala.Option<T>>>

public final class HeadOptionStage<T>
extends GraphStageWithMaterializedValue<SinkShape<T>,scala.concurrent.Future<scala.Option<T>>>

Constructors
Constructor and Description
`HeadOptionStage()`

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`scala.Tuple2<GraphStageLogic,scala.concurrent.Future<scala.Option<T>>>`	`createLogicAndMaterializedValue(Attributes inheritedAttributes)`
`Inlet<T>`	`in()`
`SinkShape<T>`	`shape()` The shape of a graph is all that is externally visible: its inlets and outlets.
`java.lang.String`	`toString()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface akka.stream.Graph
addAttributes, async, named

Class HeadOptionStage<T>