method

superclass_delegating_reader

v2.1.0 - Show latest stable - 1 note - Class: Class

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What's this?

superclass_delegating_reader(*names) public

No documentation

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# 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}\nif defined?(@\#{name})\n@\#{name}\nelsif superclass < \#{class_name_to_stop_searching_on} && superclass.respond_to?(:\#{name})\nsuperclass.\#{name}\nend\nend\ndef \#{name}\nself.class.\#{name}\nend\ndef self.\#{name}?\n!!\#{name}\nend\ndef \#{name}?\n!!\#{name}\nend\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

No documentation

Usage example

class Aa