Class: Microkit::Publisher

Inherits:
Object
  • Object
show all
Defined in:
lib/microkit/publisher.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Publisher

Returns a new instance of Publisher.



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# File 'lib/microkit/publisher.rb', line 4

def initialize
  @subscribers = {}
end

Instance Method Details

#publish(current_value, prev_value) ⇒ Object 



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# File 'lib/microkit/publisher.rb', line 12

def publish(current_value, prev_value)
  @subscribers.each do |key, callback|
    callback.call(current_value, prev_value)
  end
end

#subscribe(callback) ⇒ Object 



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# File 'lib/microkit/publisher.rb', line 7

def subscribe(callback)
  key = (0...12).map { (65 + rand(26)).chr }.join
  @subscribers[key] = callback
  return  Subscription.new(@subscribers, key)
end