1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
import scala.actors.Reactor
case class Ping(from: Reactor[Any])
case object Pong
case object Stop
/**
* Ping pong example for Reactor.
*
* @author Philipp Haller
*/
object Test {
def main(args: Array[String]) {
val pong = new PongActor
val ping = new PingActor(100000, pong)
ping.start
pong.start
}
}
class PingActor(count: Int, pong: Reactor[Any]) extends Reactor[Any] {
def act() {
try {
var pingsLeft = count - 1
pong ! Ping(this)
loop {
react {
case Pong =>
if (pingsLeft % 10000 == 0)
println("Ping: pong")
if (pingsLeft > 0) {
pong ! Ping(this)
pingsLeft -= 1
} else {
println("Ping: stop")
pong ! Stop
exit()
}
}
}
} catch {
case e: Throwable if !e.isInstanceOf[scala.util.control.ControlThrowable] =>
e.printStackTrace()
}
}
}
class PongActor extends Reactor[Any] {
def act() {
try {
var pongCount = 0
loop {
react {
case Ping(from) =>
if (pongCount % 10000 == 0)
println("Pong: ping "+pongCount)
from ! Pong
pongCount += 1
case Stop =>
println("Pong: stop")
exit()
}
}
} catch {
case e: Throwable if !e.isInstanceOf[scala.util.control.ControlThrowable] =>
e.printStackTrace()
}
}
}
|
