What is a practical way to model lookup tables in Domain Driven Design (DDD)?

Question

I\'m just learning DDD (Eric Evans book is open in front of me) and I\'ve come across a problem that I can\'t find an answer for. What do you do in DDD when you\'re just trying

Answer 1

Using DDD I have something similar with the following:

interface IAddressService
{
  IList GetCountries ();
  IList GetStatesByCountry (string country);
  IList GetCitiesByState (string state);
  // snip
}

Country, State and City are value objects which come from a lookup table in the database.