method
add_event_subscriber
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Class: Subscriber
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add_event_subscriber(event)
private
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# File activesupport/lib/active_support/subscriber.rb, line 85 def add_event_subscriber(event) # :doc: return if invalid_event?(event) pattern = prepare_pattern(event) # Don't add multiple subscribers (e.g. if methods are redefined). return if pattern_subscribed?(pattern) subscriber.patterns[pattern] = notifier.subscribe(pattern, subscriber) end