# File lib/rolify/adapters/mongoid/resource_adapter.rb, line 34
      def applied_roles(relation, children)
        if children
          relation.role_class.where(:resource_type.in => self.relation_types_for(relation), :resource_id => nil)
        else
          relation.role_class.where(:resource_type => relation.to_s, :resource_id => nil)
        end
      end