Producer Consumer with Actors

prod_cons_actors.rb

require 'celluloid/current'

class Cook
  include Celluloid

  def produce(manager)
    manager.async.inform("produced")
  end
end

class Consumer
  include Celluloid

  def consume(manager)
    manager.async.inform("consumed")
  end
end

class Manager
  include Celluloid

  def initialize
    @items = []
    @producer = Cook.new
    @consumer = Consumer.new
  end

  def work
    @producer.async.produce(Actor.current)
  end
  
  def inform(message)
    if message == "produced"
      @items.push message 
      puts Thread.current.to_s + " Produced item .... Stock : " + @items.size.to_s
      @consumer.async.consume(Actor.current)
    end

    if message == "consumed"
      @items.pop
      puts Thread.current.to_s + " Consumed item .... Stock : " + @items.size.to_s
      work
    end
  end
end

manager = Manager.new
manager.async.work
sleep(1_000)

原文 Produce-Consumer-with-Actors