Module: ActiveRecord::Reflection

Defined in:
lib/active_record/reflection.rb

Overview

:nodoc:

Defined Under Namespace

Modules: ClassMethods Classes: AggregateReflection, AssociationReflection, MacroReflection

Class Method Summary collapse

Class Method Details

.append_features(base) ⇒ Object 



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# File 'lib/active_record/reflection.rb', line 3

def self.append_features(base)
  super
  base.extend(ClassMethods)

  base.class_eval do
    class << self
      alias_method :composed_of_without_reflection, :composed_of

      def composed_of_with_reflection(part_id, options = {})
        composed_of_without_reflection(part_id, options)
        write_inheritable_array "aggregations", [ AggregateReflection.new(:composed_of, part_id, options, self) ]
      end

      alias_method :composed_of, :composed_of_with_reflection          
    end
  end
  
  for association_type in %w( belongs_to has_one has_many has_and_belongs_to_many )
    base.module_eval "      class << self\n        alias_method :\#{association_type}_without_reflection, :\#{association_type}\n\n        def \#{association_type}_with_reflection(association_id, options = {})\n          \#{association_type}_without_reflection(association_id, options)\n          write_inheritable_array \"associations\", [ AssociationReflection.new(:\#{association_type}, association_id, options, self) ]\n        end\n\n        alias_method :\#{association_type}, :\#{association_type}_with_reflection          \n      end\n    end_eval\n  end\nend\n"