From 9d95c090f440956f856468dc59bdfd0ff560314b Mon Sep 17 00:00:00 2001
From: Philipp Haller <hallerp@gmail.com>
Date: Fri, 14 Jul 2006 12:44:35 +0000
Subject: Updated actor examples.

---
 docs/examples/actors/counter.scala  | 12 +++++-------
 docs/examples/actors/customer.scala | 34 +++++++++++-----------------------
 2 files changed, 16 insertions(+), 30 deletions(-)

(limited to 'docs/examples/actors')

diff --git a/docs/examples/actors/counter.scala b/docs/examples/actors/counter.scala
index 1224853432..e768a8f9ef 100644
--- a/docs/examples/actors/counter.scala
+++ b/docs/examples/actors/counter.scala
@@ -1,17 +1,15 @@
 /**
  * @author Philipp Haller <philipp.haller@epfl.ch>
- *
  */
 
 package examples.actors
 
-import scala.actors.multi.Pid
+import scala.actors.Process
 import scala.actors.distributed.{RemoteActor,TCP,TcpNode,TcpService}
 
-abstract class CounterMessage
-case class Incr() extends CounterMessage
-case class Value(p: Pid) extends CounterMessage
-case class Result(v: int) extends CounterMessage
+case class Incr()
+case class Value(p: Process)
+case class Result(v: int)
 
 class Counter extends RemoteActor {
   override def run(): unit =
@@ -39,7 +37,7 @@ class CounterUser extends RemoteActor {
     spawn(TcpNode(host, 9090), classOf[Counter].getName())
 
     receive {
-      case p: Pid =>
+      case p: Process =>
         // communicate with counter
         Console.println("" + node + ": Sending Incr() to remote Counter (" + p + ")...")
         p ! Incr()
diff --git a/docs/examples/actors/customer.scala b/docs/examples/actors/customer.scala
index 80c2664130..58ba55b014 100644
--- a/docs/examples/actors/customer.scala
+++ b/docs/examples/actors/customer.scala
@@ -7,31 +7,21 @@
 
 package examples.actors
 
-import scala.actors._
-import scala.actors.single._
+import scala.actors.single.Actor
 
-abstract class FactorialMessage
-case class Factorial(n: int, resTo: Actor) extends FactorialMessage
-case class Value(n: int) extends FactorialMessage
+case class Factorial(n: int, resTo: Actor)
 
 class FactorialProcess extends Actor {
   override def run: unit = {
     receive {
       case Factorial(n, resTo) =>
         if (n == 0) {
-          Debug.info("Sending Value(1) to " + resTo)
-          resTo send Value(1)
+          resTo ! 1
         }
         else {
-          // spawn process that multiplies
-          /*val m = spawnReceive({
-            case Value(value) => resTo send Value(n * value)
-          });*/
-
           val m = new MultiplyActor(n, resTo)
-          m.start
-          Debug.info("Sending Factorial(" + (n-1) + ", " + m + ") to " + this)
-          this send Factorial(n-1, m)
+          m.start()
+          this ! Factorial(n-1, m)
         }
         run
     }
@@ -41,28 +31,26 @@ class FactorialProcess extends Actor {
 class MultiplyActor(factor: int, resTo: Actor) extends Actor {
   override def run: unit =
     receive {
-      case Value(value) =>
-        Debug.info("Sending Value(" + factor * value + ") to " + resTo)
-        resTo send Value(factor * value)
-        Debug.info("Done sending.")
+      case value: int =>
+        resTo ! factor * value
     }
 }
 
 object CustomerPassing {
   def main(args: Array[String]): unit = {
     val fac = new FactorialProcess
-    fac.start
+    fac.start()
 
     val c = new Actor {
       override def run: unit = {
-        fac send Factorial(3, this)
+        fac ! Factorial(3, this)
 
         receive {
-          case Value(value) =>
+          case value: int =>
             System.out.println("Result: " + value)
         }
       }
     }
-    c.start
+    c.start()
   }
 }
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