lib/mongoid/fields.rb in mongoid-1.9.5 vs lib/mongoid/fields.rb in mongoid-2.0.0.alpha

@@ -1,19 +1,16 @@
 # encoding: utf-8
 module Mongoid #:nodoc
   module Fields #:nodoc
-    def self.included(base)
-      base.class_eval do
-        extend ClassMethods
-        # Set up the class attributes that must be available to all subclasses.
-        # These include defaults, fields
-        class_inheritable_accessor :fields
+    extend ActiveSupport::Concern
+    included do
+      # Set up the class attributes that must be available to all subclasses.
+      # These include defaults, fields
+      class_inheritable_accessor :fields
 
-        self.fields = {}
-
-        delegate :defaults, :fields, :to => "self.class"
-      end
+      self.fields = {}
+      delegate :defaults, :fields, :to => "self.class"
     end
 
     module ClassMethods #:nodoc
       # Defines all the fields that are accessable on the Document
       # For each field that is defined, a getter and setter will be
@@ -45,10 +42,9 @@
       # Define a field attribute for the +Document+.
       def set_field(name, options = {})
         meth = options.delete(:as) || name
         fields[name] = Field.new(name, options)
         create_accessors(name, meth, options)
-        add_dirty_methods(name)
       end
 
       # Create the field accessors.
       def create_accessors(name, meth, options = {})
         define_method(meth) { read_attribute(name) }