From 942bb16fc5543c5876c4870e3de4bcc49ea9610f Mon Sep 17 00:00:00 2001 From: Philipp Haller Date: Sat, 30 Sep 2006 14:36:46 +0000 Subject: Added example for actor linking. --- docs/examples/actors/Links.scala | 44 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 docs/examples/actors/Links.scala diff --git a/docs/examples/actors/Links.scala b/docs/examples/actors/Links.scala new file mode 100644 index 0000000000..77ba80cbee --- /dev/null +++ b/docs/examples/actors/Links.scala @@ -0,0 +1,44 @@ +package examples.actors + +import scala.actors.Actor._ +import scala.actors.Actor + +case object Stop + +object Links extends Application { + + actor { + val start = link(p(2)) + start ! Stop + } + + def p(n: int): Actor = + if (n == 0) top1() + else top(p(n-1), n) + + def top(a: Actor, n: int): Actor = actor { + Console.println("starting actor " + n + " (" + Thread.currentThread() + ")") + //self.trapExit = true + link(a) + while (true) { + receive { + case any => { + Console.println("Actor " + n + " received " + any) + a ! any + } + } + } + } + + def top1(): Actor = actor { + Console.println("starting last actor" + " (" + Thread.currentThread() + ")") + receive { + case Stop => + Console.println("Last actor now exiting") + exit("abnormal") + case any => + Console.println("Last actor received " + any) + top1() + } + } +} -- cgit v1.2.3