class method `self.attach_to`

Ruby on Rails 4.1.16

Since v4.0.13

Available in: v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

self.attach_to(namespace, subscriber=new, notifier=ActiveSupport::Notifications)

Attach the subscriber to a namespace.

Parameters

namespace req
subscriber opt = new
notifier opt = ActiveSupport::Notifications

Source

# File activesupport/lib/active_support/subscriber.rb, line 33
      def attach_to(namespace, subscriber=new, notifier=ActiveSupport::Notifications)
        @namespace  = namespace
        @subscriber = subscriber
        @notifier   = notifier

        subscribers << subscriber

        # Add event subscribers for all existing methods on the class.
        subscriber.public_methods(false).each do |event|
          add_event_subscriber(event)
        end
      end

Defined in activesupport/lib/active_support/subscriber.rb line 33 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveSupport::Subscriber

Signature

Parameters