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
|
@deprecated("Suppress warnings", since="2.11")
object Test {
import scala.actors.Reactor
import scala.actors.Actor._
case class MyException(text: String) extends Exception(text)
object A extends Reactor[Any] {
override def exceptionHandler = {
case MyException(text) =>
println("receiver handles exception")
}
def guard(): Boolean =
if (state == 0) {
state = 1
throw MyException("illegal state")
} else
true
var state = 0
def act() {
try {
loop {
react {
case 'hello if guard() =>
println("process")
exit()
}
}
} catch {
case e: Throwable if (!e.isInstanceOf[scala.util.control.ControlThrowable] &&
!e.isInstanceOf[MyException]) =>
e.printStackTrace()
}
}
}
object B extends Reactor[Any] {
def act() {
try {
A.start()
A ! 'hello
A ! 'hello
} catch {
case e: Throwable if !e.isInstanceOf[scala.util.control.ControlThrowable] =>
e.printStackTrace()
}
}
}
def main(args: Array[String]) {
B.start()
}
}
|