orm_class

# File railties/lib/rails/generators/resource_helpers.rb, line 59
        def orm_class
          @orm_class ||= begin
            # Raise an error if the class_option :orm was not defined.
            unless self.class.class_options[:orm]
              raise "You need to have :orm as class option to invoke orm_class and orm_instance"
            end

            begin
              "#{options[:orm].to_s.classify}::Generators::ActiveModel".constantize
            rescue NameError => e
              Rails::Generators::ActiveModel
            end
          end
        end