b255a19374
- also fixes materialized value sources for graphs that import zero or one graphs, with and without Fusing
24 lines
740 B
Scala
24 lines
740 B
Scala
/**
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* Copyright (C) 2015-2016 Lightbend Inc. <http://www.lightbend.com>
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*/
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package akka.stream.impl
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import akka.stream._
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import akka.stream.impl.StreamLayout.Module
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import akka.event.Logging
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/**
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* INTERNAL API
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*/
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private[stream] trait FlowModule[In, Out, Mat] extends StreamLayout.AtomicModule {
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override def replaceShape(s: Shape) =
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if (s != shape) throw new UnsupportedOperationException("cannot replace the shape of a FlowModule")
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else this
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val inPort = Inlet[In]("Flow.in")
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val outPort = Outlet[Out]("Flow.out")
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override val shape = new FlowShape(inPort, outPort)
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protected def label: String = Logging.simpleName(this)
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final override def toString: String = f"$label [${System.identityHashCode(this)}%08x]"
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}
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