actor实例

1、actor实例之消息的接收与发送（异步没有返回值）

2、actor实例之消息的接收与发送（同步有返回值）

1、actor实例之消息的接收与发送（异步有返回值）

ActorDemo3.scala

package day05

import scala.actors.{Actor, Future}

/**
  * 用Actor实现同步和异步的消息的发送和消息的接收
  */
class ActorDemo3 extends Actor{
  override def act(): Unit = {
    while (true) {
      // 偏函数
      receive {
        case "start" => println("starting...")
        case AsynMsg(id,msg) => {
          println(s"id:$id,Asyncmsg:$msg")
          Thread.sleep(2000)
          sender ! ReplyMsg(5,"success")
        }
        case SyncMsg(id,msg) => {
          println(s"id:$id,SyncMsg:$msg")
          Thread.sleep(2000)
          sender ! ReplyMsg(5,"success")
        }
      }
    }
  }
}

object ActorDemo3 {
  def main(args: Array[String]): Unit = {
    val actorDemo3: ActorDemo3 = new ActorDemo3
    actorDemo3.start()

    // 异步发送消息，没有返回值
//    actorDemo3 ! AsynMsg(1,"Hi-- Honey")
//    println("没有返回值的异步消息发送完成")
//    // 同步发送消息，线程等待返回值
//    val content: Any = actorDemo3 !? SyncMsg(2,"Hi- lulu")
//    println("有返回值的同步消息发送完成")
//    println(content)

    // 异步发送消息，有返回值，返回类型是Future[Any]
    val reply: Future[Any] = actorDemo3 !! AsynMsg(3,"Hi-ningning")
    Thread.sleep(1000)
    if (reply.isSet) {
      val value = reply.apply()
      println(value)
    }else {
      println("None")
    }

  }
}

case class AsynMsg(id: Int, msg: String)
case class SyncMsg(id: Int, msg:String)
case class ReplyMsg(id: Int, msg: String)