# File lib/rolify/resource.rb, line 12
      def with_role(role_name, user = nil)
        if role_name.is_a? Array
          role_name.map!(&:to_s)
        else
          role_name = role_name.to_s
        end

        resources = self.resource_adapter.resources_find(self.role_table_name, self, role_name) #.map(&:id)
        user ? self.resource_adapter.in(resources, user, role_name) : resources
      end