package edu.umn.cs.recsys.dao;
import org.grouplens.lenskit.data.dao.UserDAO;
/**
* Extended user DAO that finds users by name.
* @author <a href="http://www.grouplens.org">GroupLens Research</a>
*/
public interface UserNameDAO extends UserDAO {
/**
* Look up a user by name.
* @param name The user name.
* @return The user ID (>= 0), or -1 if the user does not exist.
*/
public long getUserByName(String name);
}