lib/active_model/associations.rb in activemodel-associations-0.1.2 vs lib/active_model/associations.rb in activemodel-associations-0.2.0.beta1

@@ -2,27 +2,30 @@
 require 'active_model/associations/active_record_reflection'
 require 'active_model/associations/autosave_association'
 require 'active_model/associations/override_methods'
 require 'active_record/associations/builder/has_many_for_active_model'
 require 'active_record/associations/has_many_for_active_model_association'
+require 'active_support/core_ext/module'
 
 module ActiveModel
   module Associations
     extend ActiveSupport::Concern
 
     include InitializeExtension
     include AutosaveAssociation
     include ActiveRecordReflection
     include OverrideMethods
 
+    included do
+      mattr_accessor :belongs_to_required_by_default, instance_accessor: false
+    end
+
     module ClassMethods
       # define association like ActiveRecord
       def belongs_to(name, scope = nil, options = {})
         reflection = ActiveRecord::Associations::Builder::BelongsTo.build(self, name, scope, options)
-        if ActiveRecord.version >= Gem::Version.new("4.1")
-          ActiveRecord::Reflection.add_reflection self, name, reflection
-        end
+        ActiveRecord::Reflection.add_reflection self, name, reflection
       end
 
       # define association like ActiveRecord
       def has_many(name, scope = nil, options = {}, &extension)
         options.reverse_merge!(active_model: true, target_ids: "#{name.to_s.singularize}_ids")
@@ -30,12 +33,10 @@
           options.merge!(scope)
           scope = nil
         end
 
         reflection = ActiveRecord::Associations::Builder::HasManyForActiveModel.build(self, name, scope, options, &extension)
-        if ActiveRecord.version >= Gem::Version.new("4.1")
-          ActiveRecord::Reflection.add_reflection self, name, reflection
-        end
+        ActiveRecord::Reflection.add_reflection self, name, reflection
 
         mixin = generated_association_methods
         mixin.class_eval <<-CODE, __FILE__, __LINE__ + 1
           def #{options[:target_ids]}=(other_ids)
             @#{options[:target_ids]} = other_ids