lib/characterizable.rb in characterizable-0.0.4 vs lib/characterizable.rb in characterizable-0.0.5

@@ -103,10 +103,13 @@
       @_characteristics ||= SurvivorHash.new
     end
     include Blockenspiel::DSL
     def has(name, options = {}, &block)
       characteristics[name] = Characteristic.new(self, name, options, &block)
-      klass.define_attribute_methods if klass.respond_to? :define_attribute_methods
+      if klass.respond_to? :attribute_methods_generated? and !klass.attribute_methods_generated?
+        # quacks like an activemodel
+        klass.define_attribute_methods
+      end
       klass.module_eval(%{
         def #{name}_with_expire_snapshot=(new_#{name})
           expire_snapshot!
           self.#{name}_without_expire_snapshot = new_#{name}
         end