abstract class GraphStage[S <: Shape] extends GraphStageWithMaterializedValue[S, NotUsed]
A GraphStage represents a reusable graph stream processing stage. A GraphStage consists of a Shape which describes its input and output ports and a factory function that creates a GraphStageLogic which implements the processing logic that ties the ports together.
- Source
- GraphStage.scala
Linear Supertypes
Known Subclasses
Type Hierarchy
Ordering
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- By Inheritance
Inherited
- GraphStage
- GraphStageWithMaterializedValue
- Graph
- AnyRef
- Any
Implicitly
- by any2stringadd
- by StringFormat
- by Ensuring
- by ArrowAssoc
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Visibility
- Public
- All
Instance Constructors
- new GraphStage()
Type Members
Abstract Value Members
-
abstract
def
createLogic(inheritedAttributes: Attributes): GraphStageLogic
- Annotations
- @throws( classOf[Exception] )
-
abstract
def
shape: S
The shape of a graph is all that is externally visible: its inlets and outlets.
The shape of a graph is all that is externally visible: its inlets and outlets.
- Definition Classes
- Graph
Concrete Value Members
-
final
def
!=(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
-
final
def
##(): Int
- Definition Classes
- AnyRef → Any
-
def
+(other: String): String
- Implicit
- This member is added by an implicit conversion from GraphStage[S] to any2stringadd[GraphStage[S]] performed by method any2stringadd in scala.Predef.
- Definition Classes
- any2stringadd
-
def
->[B](y: B): (GraphStage[S], B)
- Implicit
- This member is added by an implicit conversion from GraphStage[S] to ArrowAssoc[GraphStage[S]] performed by method ArrowAssoc in scala.Predef.
- Definition Classes
- ArrowAssoc
- Annotations
- @inline()
-
final
def
==(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
-
def
addAttributes(attr: Attributes): Graph[S, NotUsed]
- Definition Classes
- Graph
-
final
def
asInstanceOf[T0]: T0
- Definition Classes
- Any
-
def
async: Graph[S, NotUsed]
Put an asynchronous boundary around this
Graph
Put an asynchronous boundary around this
Graph
- Definition Classes
- Graph
-
def
clone(): AnyRef
- Attributes
- protected[java.lang]
- Definition Classes
- AnyRef
- Annotations
- @throws( ... )
-
final
def
createLogicAndMaterializedValue(inheritedAttributes: Attributes): (GraphStageLogic, NotUsed)
- Definition Classes
- GraphStage → GraphStageWithMaterializedValue
-
def
ensuring(cond: (GraphStage[S]) ⇒ Boolean, msg: ⇒ Any): GraphStage[S]
- Implicit
- This member is added by an implicit conversion from GraphStage[S] to Ensuring[GraphStage[S]] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
-
def
ensuring(cond: (GraphStage[S]) ⇒ Boolean): GraphStage[S]
- Implicit
- This member is added by an implicit conversion from GraphStage[S] to Ensuring[GraphStage[S]] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
-
def
ensuring(cond: Boolean, msg: ⇒ Any): GraphStage[S]
- Implicit
- This member is added by an implicit conversion from GraphStage[S] to Ensuring[GraphStage[S]] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
-
def
ensuring(cond: Boolean): GraphStage[S]
- Implicit
- This member is added by an implicit conversion from GraphStage[S] to Ensuring[GraphStage[S]] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
-
final
def
eq(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
-
def
equals(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
-
def
finalize(): Unit
- Attributes
- protected[java.lang]
- Definition Classes
- AnyRef
- Annotations
- @throws( classOf[java.lang.Throwable] )
-
def
formatted(fmtstr: String): String
- Implicit
- This member is added by an implicit conversion from GraphStage[S] to StringFormat[GraphStage[S]] performed by method StringFormat in scala.Predef.
- Definition Classes
- StringFormat
- Annotations
- @inline()
-
final
def
getClass(): Class[_]
- Definition Classes
- AnyRef → Any
-
def
hashCode(): Int
- Definition Classes
- AnyRef → Any
-
def
initialAttributes: Attributes
- Attributes
- protected
- Definition Classes
- GraphStageWithMaterializedValue
-
final
def
isInstanceOf[T0]: Boolean
- Definition Classes
- Any
-
final
lazy val
module: Module
INTERNAL API.
INTERNAL API.
Every materializable element must be backed by a stream layout module
- Definition Classes
- GraphStageWithMaterializedValue → Graph
-
def
named(name: String): Graph[S, NotUsed]
- Definition Classes
- Graph
-
final
def
ne(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
-
final
def
notify(): Unit
- Definition Classes
- AnyRef
-
final
def
notifyAll(): Unit
- Definition Classes
- AnyRef
-
final
def
synchronized[T0](arg0: ⇒ T0): T0
- Definition Classes
- AnyRef
-
def
toString(): String
- Definition Classes
- AnyRef → Any
-
final
def
wait(): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws( ... )
-
final
def
wait(arg0: Long, arg1: Int): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws( ... )
-
final
def
wait(arg0: Long): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws( ... )
-
final
def
withAttributes(attr: Attributes): Graph[S, NotUsed]
- Definition Classes
- GraphStageWithMaterializedValue → Graph
-
def
→[B](y: B): (GraphStage[S], B)
- Implicit
- This member is added by an implicit conversion from GraphStage[S] to ArrowAssoc[GraphStage[S]] performed by method ArrowAssoc in scala.Predef.
- Definition Classes
- ArrowAssoc