root / examples / pingpong / scala.rb

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#!/usr/bin/env ruby
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# cf. http://lamp.epfl.ch/~phaller/doc/ActorsTutorial.html





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$:.push File.join( File.dirname(__FILE__), "..", "..", "lib" )





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require 'dramatis/actor'





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class Ping





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  include Dramatis::Actor





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  def initialize times, pong





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    @pings_left = times





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    release( pong ).ping actor.name 





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  end





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  def pong caller





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    if @pings_left % 1000 == 0





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      puts "Ping: pong"





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    end





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    if @pings_left > 0





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      @pings_left -= 1





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      release( caller ).ping actor.name





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    end





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  end





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end





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class Pong





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  include Dramatis::Actor





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  def initialize





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    @pong_count = 0





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  end





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  def ping caller





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    if @pong_count % 1000 == 0





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      puts "Pong: ping #{@pong_count}"





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    end





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    @pong_count += 1





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    release( caller ).pong actor.name





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  end





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end





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pong = Pong.new





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ping = Ping.new 10000, pong