Add AR::Base.base_class? predicate

1 files changed, 7 insertions, 1 deletions

diff --git a/activerecord/lib/active_record/inheritance.rb b/activerecord/lib/active_record/inheritance.rb
index 208ba95c52..6891c575c7 100644
--- a/activerecord/lib/active_record/inheritance.rb
+++ b/activerecord/lib/active_record/inheritance.rb
@@ -55,7 +55,7 @@ module ActiveRecord
         if has_attribute?(inheritance_column)
           subclass = subclass_from_attributes(attributes)
 
-          if subclass.nil? && base_class == self
+          if subclass.nil? && base_class?
             subclass = subclass_from_attributes(column_defaults)
           end
         end
@@ -104,6 +104,12 @@ module ActiveRecord
         end
       end
 
+      # Returns whether the class is a base class.
+      # See #base_class for more information.
+      def base_class?
+        base_class == self
+      end
+
       # Set this to +true+ if this is an abstract class (see
       # <tt>abstract_class?</tt>).
       # If you are using inheritance with Active Record and don't want a class