method

superclass_delegating_reader

Ruby on Rails latest stable (v7.1.3.2) - 1 note - Class: Class

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What's this?

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v2.3.8) is shown here.

superclass_delegating_reader(*names) public

No documentation

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Show source

# 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

June 19, 2009

1 thank

Usage example

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

superclass_delegating_reader

Related methods

Method deprecated or moved

No documentation

Usage example

class Aa