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author | Philipp Haller <hallerp@gmail.com> | 2007-02-02 15:17:51 +0000 |
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committer | Philipp Haller <hallerp@gmail.com> | 2007-02-02 15:17:51 +0000 |
commit | 7cc5c06947e40236ee16a6a09d3de524183fda86 (patch) | |
tree | 8b22f79f79ffcb4b8485a3c6b21380efdc66d903 /docs/examples/actors/message.scala | |
parent | 8c1bbafee4c68ccd158786deb4643d5a3074ce0d (diff) | |
download | scala-7cc5c06947e40236ee16a6a09d3de524183fda86.tar.gz scala-7cc5c06947e40236ee16a6a09d3de524183fda86.tar.bz2 scala-7cc5c06947e40236ee16a6a09d3de524183fda86.zip |
Cleaned-up actor examples.
Diffstat (limited to 'docs/examples/actors/message.scala')
-rw-r--r-- | docs/examples/actors/message.scala | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/docs/examples/actors/message.scala b/docs/examples/actors/message.scala new file mode 100644 index 0000000000..7b0e6387bd --- /dev/null +++ b/docs/examples/actors/message.scala @@ -0,0 +1,35 @@ +package examples.actors + +import scala.actors._; import scala.actors.Actor._ + +object message { + def main(args: Array[String]) = { + val n = try { Integer.parseInt(args(0)) } + catch { + case _ => + scala.Console.println("Usage: examples.actors.Message <n>") + Predef.exit + } + val nActors = 500 + val finalSum = n * nActors + Scheduler.impl = new SingleThreadedScheduler + + def beh(next: Actor, sum: int): unit = + react { + case value: int => + val j = value + 1; val nsum = sum + j + if (next == null && nsum >= finalSum) + Console.println(nsum) + else { + if (next != null) next ! j + beh(next, nsum) + } + } + + def actorChain(i: Int, a: Actor): Actor = + if (i > 0) actorChain(i-1, actor(beh(a, 0))) else a + + val firstActor = actorChain(nActors, null) + var i = n; while (i > 0) { firstActor ! 0; i = i-1 } + } +} |