考虑以下两个特征:
trait Poked extends Actor {
override def receive = {
case Poke(port, x) => ReceivePoke(port, x)
}
def ReceivePoke(port: String, x: Any)
}
trait Peeked extends Actor {
override def receive = {
case Peek(port) => ReceivePeek(port)
}
def ReceivePeek(port: String)
}
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现在考虑我可以创建一个实现两个特征的新Actor:
val peekedpoked = actorRef(new Actor extends Poked with Peeked)
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如何撰写接收处理程序?即,接收器应该是类似下面的代码,虽然"自动生成"(即,所有特征应该组成):
def receive = (Poked.receive: Receive) orElse (Peeked.receive: Receive) orElse ...
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