synchronously.rb

synchronously.rb

  # Synchronously
  class Fetcher
    def self.fetch_api_data(uuids)
      uuids.map { |uuid| new(uuid).fetch }
    end

    def fetch
      "api response for #{uuid}"
    end

    private
    attr_accessor :uuid

    def initialize(uuid)
      self.uuid = uuid
    end
  end
  
  
  # Asynchronously
  class Fetcher
    include Celluloid

    def self.fetch_api_data(uuids)
      actors = uuids.map { |uuid| new(uuid) }
      responses = actors.map(&:future).map(&:fetch).map(&:value)
      actors.map(&:terminate)
      responses
    end

    def fetch
      "api response for #{uuid}"
    end

    private
    attr_accessor :uuid

    def initialize(uuid)
      self.uuid = uuid
    end
  end