package ejava.examples.asyncmarket;
   
   import java.util.List;
   
   import ejava.examples.asyncmarket.bo.Person;
   
   public interface UserMgmt {
       long createUser(String userId, String name) throws MarketException;
       Person getUser(long id) throws MarketException;
      Person getUserByUserId(String userId) throws MarketException;
      void removeUser(String userId) throws MarketException;
      List<Person> getUsers(int index, int count) throws MarketException;
  }