method

__define_callbacks

v4.0.2 - Show latest stable - 0 notes - Class: ActiveSupport::Callbacks::ClassMethods

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What's this?

__define_callbacks(kind, object) public

This method defines callback chain method for the given kind if it was not yet defined. This generated method plays caching role.

Show source

# File activesupport/lib/active_support/callbacks.rb, line 366
      def __define_callbacks(kind, object) #:nodoc:
        name = __callback_runner_name(kind)
        unless object.respond_to?(name, true)
          str = object.send("_#{kind}_callbacks").compile
          class_eval             def #{name}() #{str} end            protected :#{name}, __FILE__, __LINE__ + 1
        end
        name
      end

__define_callbacks

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