method

superclass_delegating_reader

v2.3.8 - Show latest stable - Class: Class
superclass_delegating_reader(*names)
public

No documentation available.

# File activesupport/lib/active_support/core_ext/class/delegating_attributes.rb, line 8
  def superclass_delegating_reader(*names)
    class_name_to_stop_searching_on = self.superclass.name.blank? ? "Object" : self.superclass.name
    names.each do |name|
      class_eval "def self.\#{name}                                            # def self.only_reader\nif defined?(@\#{name})                                     #   if defined?(@only_reader)\n@\#{name}                                                #     @only_reader\nelsif superclass < \#{class_name_to_stop_searching_on} &&  #   elsif superclass < Object &&\nsuperclass.respond_to?(:\#{name})                    #         superclass.respond_to?(:only_reader)\nsuperclass.\#{name}                                      #     superclass.only_reader\nend                                                       #   end\nend                                                         # end\ndef \#{name}                                                 # def only_reader\nself.class.\#{name}                                        #   self.class.only_reader\nend                                                         # end\ndef self.\#{name}?                                           # def self.only_reader?\n!!\#{name}                                                 #   !!only_reader\nend                                                         # end\ndef \#{name}?                                                # def only_reader?\n!!\#{name}                                                 #   !!only_reader\nend                                                         # end\n"
    end
  end

1Note

Usage example

stevo ยท Jun 19, 20091 thank

====

class Aa class_inheritable_accessor :test end => [:test]

Aa.test = 10 => 10

Aa.test => 10

Bb = Class.new(Aa) => Bb

Bb.test => 10

Bb.test = 5 => 5

Bb.test => 5

Aa.test => 10