Package akka.stream.impl
Class UnfoldResourceSource<T,S>
- java.lang.Object
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- akka.stream.stage.GraphStageWithMaterializedValue<S,NotUsed>
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- akka.stream.stage.GraphStage<SourceShape<T>>
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- akka.stream.impl.UnfoldResourceSource<T,S>
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- All Implemented Interfaces:
Graph<SourceShape<T>,NotUsed>
public final class UnfoldResourceSource<T,S> extends GraphStage<SourceShape<T>>
INTERNAL API
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Constructor Summary
Constructors Constructor Description UnfoldResourceSource(scala.Function0<S> create, scala.Function1<S,scala.Option<T>> readData, scala.Function1<S,scala.runtime.BoxedUnit> close)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description GraphStageLogic
createLogic(Attributes inheritedAttributes)
Attributes
initialAttributes()
Outlet<T>
out()
SourceShape<T>
shape()
The shape of a graph is all that is externally visible: its inlets and outlets.java.lang.String
toString()
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Methods inherited from class akka.stream.stage.GraphStage
createLogicAndMaterializedValue
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Methods inherited from class akka.stream.stage.GraphStageWithMaterializedValue
createLogicAndMaterializedValue, traversalBuilder, withAttributes
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Method Detail
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createLogic
public GraphStageLogic createLogic(Attributes inheritedAttributes)
- Specified by:
createLogic
in classGraphStage<SourceShape<T>>
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initialAttributes
public Attributes initialAttributes()
- Overrides:
initialAttributes
in classGraphStageWithMaterializedValue<SourceShape<T>,NotUsed>
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shape
public SourceShape<T> shape()
Description copied from interface:Graph
The shape of a graph is all that is externally visible: its inlets and outlets.- Returns:
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toString
public java.lang.String toString()
- Overrides:
toString
in classjava.lang.Object
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