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actor: allow seamless access to untyped extensions given typed ActorSystem (#28294)

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* actor: allow seamless access to untyped extensions given typed ActorSystem

* add overrides with concrete type for Java API everywhere
This commit is contained in:
Johannes Rudolph 2019-12-05 16:01:23 +01:00 • committed by Arnout Engelen
parent 2c96a57d89
commit 702b6a7f41
70 changed files with 192 additions and 49 deletions
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4
akka-cluster-metrics/src/main/mima-filters/2.6.0.backwards.excludes/28294-add-ExtensionId-apply-get-overloads.excludes Normal file
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@ -0,0 +1,4 @@
# Incompatibilities against Akka < 2.5.17 where extra static bridge methods were generated that
# Mima now wrongly correlates with the new ones added in the PR
ProblemFilters.exclude[IncompatibleResultTypeProblem]("akka.cluster.metrics.ClusterMetricsExtension.get")

3
akka-cluster-metrics/src/main/scala/akka/cluster/metrics/ClusterMetricsExtension.scala
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@ -10,6 +10,7 @@ import akka.actor.SupervisorStrategy
import akka.event.LoggingAdapter
import akka.event.Logging
import com.typesafe.config.Config
import scala.collection.immutable
import akka.actor.Props
import akka.actor.Deploy
@ -17,6 +18,7 @@ import akka.actor.ExtensionId
import akka.actor.ExtensionIdProvider
import akka.actor.ActorSystem
import akka.actor.ActorRef
import akka.actor.ClassicActorSystemProvider
/**
* Cluster metrics extension.
@ -87,6 +89,7 @@ class ClusterMetricsExtension(system: ExtendedActorSystem) extends Extension {
object ClusterMetricsExtension extends ExtensionId[ClusterMetricsExtension] with ExtensionIdProvider {
override def lookup = ClusterMetricsExtension
override def get(system: ActorSystem): ClusterMetricsExtension = super.get(system)
override def get(system: ClassicActorSystemProvider): ClusterMetricsExtension = super.get(system)
override def createExtension(system: ExtendedActorSystem): ClusterMetricsExtension =
new ClusterMetricsExtension(system)
}