blob: 946e1561ce61bfdd6fd4fb6fb54d1d40ed944806 (
plain) (
tree)
|
|
import scala.actors.Reactor
object Test {
case class Stop()
case class Get(from: Reactor)
case class Put(x: Int)
class UnboundedBuffer extends Reactor {
def act() {
react {
case Stop() =>
case Get(from) =>
val consumer = from
react {
case msg @ Put(x) =>
consumer ! x
act()
}
}
}
}
class Producer(buf: UnboundedBuffer, n: Int, delay: Long, parent: Reactor) extends Reactor {
def act() {
var i = 0
while (i < n) {
i += 1
if (delay > 0) Thread.sleep(delay)
buf ! Put(42)
}
parent ! Stop()
}
}
class Consumer(buf: UnboundedBuffer, n: Int, delay: Long, parent: Reactor) extends Reactor {
val step = n / 10
var i = 0
def act() {
if (i < n) {
i += 1
if (delay > 0) Thread.sleep(delay)
buf ! Get(this)
react {
case res =>
if (i % step == 0)
println(res)
act()
}
} else {
parent ! Stop()
}
}
}
def main(args: Array[String]) {
val parent = new Reactor {
def act() {
val buffer = new UnboundedBuffer
buffer.start()
val producer = new Producer(buffer, 10000, 0, this)
producer.start()
val consumer = new Consumer(buffer, 10000, 0, this)
consumer.start()
react {
case Stop() =>
react {
case Stop() =>
buffer ! Stop()
}
}
}
}
parent.start()
}
}
|