LoggingReceive with implicit ActorContext instead of ActorSystem. See #1720

akka-actor-tests/src/test/scala/akka/event/LoggingReceiveSpec.scala

@@ -56,11 +56,12 @@ class LoggingReceiveSpec extends WordSpec with BeforeAndAfterEach with BeforeAnd
     "decorate a Receive" in {
       new TestKit(appLogging) {
         system.eventStream.subscribe(testActor, classOf[Logging.Debug])
-        val r: Actor.Receive = {
+        val a = system.actorOf(Props(new Actor {
+          def receive = LoggingReceive("funky") {
             case null ⇒
           }
-        val log = LoggingReceive("funky")(r)
-        log.isDefinedAt("hallo")
+        }))
+        a ! "hallo"
         expectMsg(1 second, Logging.Debug("funky", classOf[DummyClassForStringSources], "received unhandled message hallo"))
       }
     }

akka-actor/src/main/scala/akka/event/LoggingReceive.scala

@@ -4,7 +4,7 @@
 package akka.event
 
 import akka.actor.Actor.Receive
-import akka.actor.ActorSystem
+import akka.actor.ActorContext
 import akka.event.Logging.Debug
 
 object LoggingReceive {
@@ -23,9 +23,9 @@ object LoggingReceive {
    * This method does NOT modify the given Receive unless
    * akka.actor.debug.receive is set within akka.conf.
    */
-  def apply(source: AnyRef)(r: Receive)(implicit system: ActorSystem): Receive = r match {
+  def apply(source: AnyRef)(r: Receive)(implicit context: ActorContext): Receive = r match {
     case _: LoggingReceive ⇒ r
-    case _ if !system.settings.AddLoggingReceive ⇒ r
+    case _ if !context.system.settings.AddLoggingReceive ⇒ r
     case _ ⇒ new LoggingReceive(source, r)
   }
 }
@@ -33,11 +33,11 @@ object LoggingReceive {
 /**
  * This decorator adds invocation logging to a Receive function.
  */
-class LoggingReceive(source: AnyRef, r: Receive)(implicit system: ActorSystem) extends Receive {
+class LoggingReceive(source: AnyRef, r: Receive)(implicit context: ActorContext) extends Receive {
   def isDefinedAt(o: Any) = {
     val handled = r.isDefinedAt(o)
     val (str, clazz) = LogSource.fromAnyRef(source)
-    system.eventStream.publish(Debug(str, clazz, "received " + (if (handled) "handled" else "unhandled") + " message " + o))
+    context.system.eventStream.publish(Debug(str, clazz, "received " + (if (handled) "handled" else "unhandled") + " message " + o))
     handled
   }
   def apply(o: Any): Unit = r(o)

akka-docs/scala/code/akka/docs/actor/FaultHandlingDocSample.scala

@@ -68,7 +68,6 @@ object Worker {
 class Worker extends Actor with ActorLogging {
   import Worker._
   import CounterService._
-  implicit def system = context.system
   implicit val askTimeout = Timeout(5 seconds)
 
   // Stop the CounterService child if it throws ServiceUnavailable
@@ -113,7 +112,6 @@ class CounterService extends Actor {
   import CounterService._
   import Counter._
   import Storage._
-  implicit def system = context.system
 
   // Restart the storage child when StorageException is thrown.
   // After 3 restarts within 5 seconds it will be stopped.
@@ -204,7 +202,6 @@ class Counter(key: String, initialValue: Long) extends Actor {
   import Counter._
   import CounterService._
   import Storage._
-  implicit def system = context.system
 
   var count = initialValue
   var storage: Option[ActorRef] = None
@@ -246,7 +243,6 @@ object Storage {
  */
 class Storage extends Actor {
   import Storage._
-  implicit def system = context.system
 
   val db = DummyDB
 

akka-docs/scala/code/akka/docs/testkit/TestkitDocSpec.scala

@@ -61,7 +61,6 @@ object TestkitDocSpec {
   class LoggingActor extends Actor {
     //#logging-receive
     import akka.event.LoggingReceive
-    implicit def system = context.system
     def receive = LoggingReceive(this) {
       case msg ⇒ // Do something...
     }