Chris@909: class User < Principal
Chris@909:   generator_for :login, :start => 'user1'
Chris@909:   generator_for :mail, :method => :next_email
Chris@909:   generator_for :firstname, :start => 'Bob'
Chris@909:   generator_for :lastname, :start => 'Doe'
Chris@909: 
Chris@909:   def self.next_email
Chris@909:     @last_email ||= 'user1'
Chris@909:     @last_email.succ!
Chris@909:     "#{@last_email}@example.com"
Chris@909:   end
Chris@909: end