Chris@0: class Group < Principal
Chris@0:   generator_for :lastname, :method => :next_lastname
Chris@0: 
Chris@0:   def self.next_lastname
Chris@0:     @last_lastname ||= 'Group'
Chris@0:     @last_lastname.succ!
Chris@0:     @last_lastname
Chris@0:   end
Chris@0: 
Chris@0: end