Flowdock
method

add_event_subscriber

Importance_0
v5.2.3 - Show latest stable - 0 notes - Class: Subscriber
add_event_subscriber(event) private

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# File activesupport/lib/active_support/subscriber.rb, line 65
      def add_event_subscriber(event) # :doc:
        return if %{ start finish }.include?(event.to_s)

        pattern = "#{event}.#{namespace}"

        # Don't add multiple subscribers (eg. if methods are redefined).
        return if subscriber.patterns.include?(pattern)

        subscriber.patterns << pattern
        notifier.subscribe(pattern, subscriber)
      end
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