# File lib/active_record/validations.rb, line 65
      def generate_message(options = {})
        keys = @base.class.self_and_descendants_from_active_record.map do |klass|
          [ "models.#{klass.name.underscore}.attributes.#{attribute}.#{@message}""models.#{klass.name.underscore}.attributes.#{attribute}.#{@message}",
            "models.#{klass.name.underscore}.#{@message}""models.#{klass.name.underscore}.#{@message}" ]
        end.flatten

        keys << options.delete(:default)
        keys << "messages.#{@message}""messages.#{@message}"
        keys << @message if @message.is_a?(String)
        keys << @type unless @type == @message
        keys.compact!

        options.merge!(:default => keys)
        I18n.translate(keys.shift, options)
      end