Scala基本语法（二）

Point 1：Actor

package com.scala.learn

import scala.actors._, Actor._

object Actor1 {
def main(args: Array[String]) = {
val badActor =
      actor {
while (true) { //nexttpule
          receive {
case msg =>
              println(msg);
              reply("gagagagag");
          }

        }
      }

    println("Do ya feel lucky, punk?");
// println(badActor ! "dddddddddddddd"); //! 异步发送消息
//这里的println打印的是返回来的值，也就是reply中的值
    println(badActor ! "mmmmmmmmmmmmmmm");

  }
}

Point 2：

package com.scala.learn

import scala.actors._, Actor._
object Actor2 {
case class Speak(line: String)
case class Gesture(bodyPart: String, action: String)
case class NegotiateNewContract()

def main(args: Array[String]) =
    {
val badActor =
        actor {
          receive {
case NegotiateNewContract =>
              println("I won't do it for less than $1 million!")
case Speak(line) =>
              println(line)
case Gesture(bodyPart, action) =>
              println("(" + action + "s " + bodyPart + ")")
case _ =>
              println("Huh? I'll be in my trailer.")
          }
        }

// badActor ! NegotiateNewContract
// badActor ! Speak("Do ya feel lucky, punk?")
// badActor ! Gesture("face", "grimaces")
// badActor ! Speak("Well, do ya?")
      badActor ! "Well, do ya?"
      Thread.sleep(3000);
    }
} 

Point 3：

package com.scala.learn

import scala.actors._, Actor._
object Actor3 {

case class Speak(line : String); 
case class Gesture(bodyPart : String, action : String); 
case class NegotiateNewContract(); 
case class ThatsAWrap(); 

def main(args : Array[String]) =  
      {  
val badActor =  
          actor  
          {  
var done = false 
while (! done)  //相当于true
            {  
              receive  
              {  
case NegotiateNewContract =>  
                  System.out.println("I won't do it for less than $1 million!")  
case Speak(line) =>  
                  System.out.println(line)  
case Gesture(bodyPart, action) =>  
                  System.out.println("(" + action + "s " + bodyPart + ")")  
case ThatsAWrap =>  
                  System.out.println("Great cast party, everybody! See ya!")
                  done = true 
case _ =>  
                  System.out.println("Huh? I'll be in my trailer.")  
              }  
            }  
          }  

        badActor ! NegotiateNewContract
// badActor ! Speak("Do ya feel lucky, punk?") 
// badActor ! Gesture("face", "grimaces") 
// badActor ! Speak("Well, do ya?") 
// badActor ! ThatsAWrap
      }  
}

Point 4：

package com.scala.learn

import scala.actors._, Actor._
object Actor4 {

case class Speak(line : String); 
case class Gesture(bodyPart : String, action : String); 
case class NegotiateNewContract(); 
case class ThatsAWrap(); 

def main(args : Array[String]) =  
      {  
def ct =  
"Thread " + Thread.currentThread().getName() + ": " 
val badActor =  
          actor  
          {  
var done = false 
while (! done)  
            {  
              receive  
              {  
case NegotiateNewContract =>  
                  System.out.println(ct + "I won't do it for less than $1 million!")  
case Speak(line) =>  
                  System.out.println(ct + line)  
case Gesture(bodyPart, action) =>  
                  System.out.println(ct + "(" + action + "s " + bodyPart + ")")  
case ThatsAWrap =>  
                  System.out.println(ct + "Great cast party, everybody! See ya!")  
                  done = true 
case _ =>  
                  System.out.println(ct + "Huh? I'll be in my trailer.")  
              }  
            }  
          }  

        System.out.println(ct + "Negotiating...")  
        badActor ! NegotiateNewContract  
        System.out.println(ct + "Speaking...")  
        badActor ! Speak("Do ya feel lucky, punk?")  
        System.out.println(ct + "Gesturing...")  
        badActor ! Gesture("face", "grimaces")  
        System.out.println(ct + "Speaking again...")  
        badActor ! Speak("Well, do ya?")  
        System.out.println(ct + "Wrapping up")  
        badActor ! ThatsAWrap  
      }  
}

Point 5：

package com.scala.learn

import scala.actors.Actor

/*
给Actor发消息
 */
class HelloActor extends Actor{
def act(){
while (true){
      receive{
case name:String => println("Hello, " + name)
case money:Int => println("How much? " + money)
case _ => "other"
      }
    }
  }
}

object HelloActor{
def main(args: Array[String]) {
val helloActor = new HelloActor
    helloActor.start()
    helloActor ! 100
  }
}

Point 6：

package com.scala.learn

import scala.actors.Actor

/*
给Actor发送case class的消息
 */
case class Register(username: String, password:String)
case class Login(username: String , password:String)

class UserManagerActor extends Actor{
def act{
while (true){
      receive{
case Login(username, password) => println("login: " + username + ": " + password)
case Register(username, password) => println("register: " + username + ": " + password)
      }
    }
  }
}

object UserManagerActor{
def main(args: Array[String]) {
val userActor = new UserManagerActor
    userActor.start()
    userActor ! Register("Aaron", "123")
    userActor ! Login("Aaron", "123")
  }
}

Point 7：

package com.scala.learn

import scala.actors.Actor
/*
Actor之间相互收发消息
 */
case class Message(content:String, sender:Actor)

class YasakaActor extends Actor{
def act(){
while (true){
      receive{
case Message(content,sender) => {println("Aaron received: " + content);  
                                              sender ! "Yes"}
      }
    }
  }
}

class GagaActor(val yasakaActor: YasakaActor) extends Actor{
def act{
    yasakaActor ! Message("Hello, Aaron, I'm gaga. Are you free now?", this)

var flag = true
while (flag){
      receive{
case response:String => println("gaga received: "+ response)
case response:Int => println("you love xuruyun. you don't love me anymore !"); flag=false
      }
    }
  }
}

object Message {
def main(args: Array[String]) {
val yasakaActor = new YasakaActor
val gagaActor = new GagaActor(yasakaActor)
    yasakaActor.start()
    gagaActor.start()

  }
}