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-rw-r--r--test/files/jvm/actmig-loop-react.scala170
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diff --git a/test/files/jvm/actmig-loop-react.scala b/test/files/jvm/actmig-loop-react.scala
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+++ b/test/files/jvm/actmig-loop-react.scala
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+import scala.actors.MigrationSystem._
+import scala.actors.Actor._
+import scala.actors.{ Actor, StashingActor, ActorRef, Props, MigrationSystem, PoisonPill }
+import java.util.concurrent.{ TimeUnit, CountDownLatch }
+import scala.collection.mutable.ArrayBuffer
+
+object Test {
+
+ def testLoopWithConditionReact() = {
+ // Snippet showing composition of receives
+ // Loop with Condition Snippet - before
+ val myActor = actor {
+ var c = true
+ loopWhile(c) {
+ react {
+ case x: Int =>
+ // do task
+ println("do task")
+ if (x == 42) c = false
+ }
+ }
+ }
+
+ myActor.start()
+ myActor ! 1
+ myActor ! 42
+
+ // Loop with Condition Snippet - migrated
+ val myAkkaActor = MigrationSystem.actorOf(Props(() => new StashingActor {
+
+ def receive = {
+ case x: Int =>
+ // do task
+ println("do task")
+ if (x == 42) context.stop(self)
+ }
+ }, "default-stashing-dispatcher"))
+ myAkkaActor ! 1
+ myAkkaActor ! 42
+ }
+
+ def testNestedReact() = {
+ // Snippet showing composition of receives
+ // Loop with Condition Snippet - before
+ val myActor = actor {
+ var c = true
+ loopWhile(c) {
+ react {
+ case x: Int =>
+ // do task
+ println("do task " + x)
+ if (x == 42) c = false
+ else
+ react {
+ case y: String =>
+ println("do string " + y)
+ }
+ println("after react")
+ }
+ }
+ }
+ myActor.start()
+
+ myActor ! 1
+ myActor ! "I am a String"
+ myActor ! 42
+
+ Thread.sleep(100)
+ println(myActor.getState)
+
+ // Loop with Condition Snippet - migrated
+ val myAkkaActor = MigrationSystem.actorOf(Props(() => new StashingActor {
+
+ def receive = {
+ case x: Int =>
+ // do task
+ println("do task " + x)
+ if (x == 42)
+ context.stop(self)
+ else
+ context.become(({
+ case y: String =>
+ println("do string " + y)
+ }: Receive).andThen(x => {
+ unstashAll()
+ context.unbecome()
+ }).orElse { case x => stash() })
+ }
+ }, "default-stashing-dispatcher"))
+
+ myAkkaActor ! 1
+ myAkkaActor ! "I am a String"
+ myAkkaActor ! 42
+
+ }
+
+ def exceptionHandling() = {
+ // Stashing actor with act and exception handler
+ val myActor = MigrationSystem.actorOf(Props(() => new StashingActor {
+
+ def receive = { case _ => println("Dummy method.") }
+ override def act() = {
+ loop {
+ react {
+ case "fail" =>
+ throw new Exception("failed")
+ case "work" =>
+ println("working")
+ case "die" =>
+ exit()
+ }
+ }
+ }
+
+ override def exceptionHandler = {
+ case x: Exception => println("scala got exception")
+ }
+
+ }, "default-stashing-dispatcher"))
+
+ myActor ! "work"
+ myActor ! "fail"
+ myActor ! "die"
+
+ Thread.sleep(100)
+ // Stashing actor in Akka style
+ val myAkkaActor = MigrationSystem.actorOf(Props(() => new StashingActor {
+ def receive = PFCatch({
+ case "fail" =>
+ throw new Exception("failed")
+ case "work" =>
+ println("working")
+ case "die" =>
+ context.stop(self)
+ }, { case x: Exception => println("akka got exception") })
+ }, "default-stashing-dispatcher"))
+
+ myAkkaActor ! "work"
+ myAkkaActor ! "fail"
+ myAkkaActor ! "die"
+ }
+
+ def main(args: Array[String]) = {
+ testLoopWithConditionReact()
+ Thread.sleep(100)
+ exceptionHandling()
+ Thread.sleep(100)
+ testNestedReact()
+ }
+
+}
+
+// As per Jim Mcbeath blog (http://jim-mcbeath.blogspot.com/2008/07/actor-exceptions.html)
+class PFCatch(f: PartialFunction[Any, Unit], handler: PartialFunction[Exception, Unit])
+ extends PartialFunction[Any, Unit] {
+
+ def apply(x: Any) = {
+ try {
+ f(x)
+ } catch {
+ case e: Exception if handler.isDefinedAt(e) => handler(e)
+ }
+ }
+
+ def isDefinedAt(x: Any) = f.isDefinedAt(x)
+}
+
+object PFCatch {
+ def apply(f: PartialFunction[Any, Unit], handler: PartialFunction[Exception, Unit]) = new PFCatch(f, handler)
+}