ActiveModel 内の include・extend 関係

環境
- Rails 4.1.1

ActiveModelについての覚書です。ActiveModelパッケージ内での、クラス・モジュール間のinclude・extendを図にしました。

Model, Naming, Conversion, Translation, Validations

ActiveModel::Model
ActiveModel::Naming
ActiveModel::Conversion
ActiveModel::Translation
ActiveModel::Validations
ActiveModel::Callbacks

AttributeMethods, Dirty

ActiveModel::AttributeMethods
ActiveModel::Dirty

Serialization, Xml, JSON

ActiveModel::Serialization
ActiveModel::Serializers::Xml
ActiveModel::Serializers::JSON

---

active_model.rb

module ActiveModel
  extend ActiveSupport::Autoload

  autoload :AttributeMethods
  autoload :BlockValidator, 'active_model/validator'
  autoload :Callbacks
  autoload :Conversion
  autoload :Dirty
  autoload :EachValidator, 'active_model/validator'
  autoload :ForbiddenAttributesProtection
  autoload :Lint
  autoload :Model
  autoload :Name, 'active_model/naming'
  autoload :Naming
  autoload :SecurePassword
  autoload :Serialization
  autoload :TestCase
  autoload :Translation
  autoload :Validations
  autoload :Validator
...