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Improved operator string represenation #29935

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* New attribute with source location information introduced and added to stages that takes lambdas
* Better default toString for GraphStageLogic including source location where possible
  and used that for debugging, errors and stream snapshots
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Johan Andrén 2021-01-11 15:17:50 +01:00 • committed by GitHub
parent b8c79f8695
commit ccc4a2f48b
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15 changed files with 112 additions and 65 deletions
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6
akka-stream/src/main/scala/akka/stream/impl/Sinks.scala
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@ -5,7 +5,6 @@
package akka.stream.impl
import java.util.function.BinaryOperator
import scala.annotation.unchecked.uncheckedVariance
import scala.collection.immutable
import scala.collection.mutable
@ -15,10 +14,8 @@ import scala.util.Failure
import scala.util.Success
import scala.util.Try
import scala.util.control.NonFatal
import org.reactivestreams.Publisher
import org.reactivestreams.Subscriber
import akka.NotUsed
import akka.annotation.DoNotInherit
import akka.annotation.InternalApi
@ -27,6 +24,7 @@ import akka.event.Logging
import akka.stream._
import akka.stream.ActorAttributes.StreamSubscriptionTimeout
import akka.stream.Attributes.InputBuffer
import akka.stream.Attributes.SourceLocation
import akka.stream.impl.QueueSink.Output
import akka.stream.impl.QueueSink.Pull
import akka.stream.impl.Stages.DefaultAttributes
@ -537,7 +535,7 @@ import akka.util.ccompat._
@InternalApi final private[stream] class LazySink[T, M](sinkFactory: T => Future[Sink[T, M]])
extends GraphStageWithMaterializedValue[SinkShape[T], Future[M]] {
val in = Inlet[T]("lazySink.in")
override def initialAttributes = DefaultAttributes.lazySink
override def initialAttributes = DefaultAttributes.lazySink and SourceLocation.forLambda(sinkFactory)
override val shape: SinkShape[T] = SinkShape.of(in)
override def toString: String = "LazySink"