import static;
import static;
import hirondelle.web4j.database.DAOException;
import hirondelle.web4j.database.Db;

 Data Access Object for user {@link Preferences}. 
final class PreferencesDAO {
  /** Fetch the {@link Preferences} for a given user. */ 
  Preferences fetch(SafeText aUserName) throws DAOException {
    return Db.fetch(Preferences.class, FETCH_PREFERENCES, aUserName);
  /** Change the {@link Preferences} for a given user. */
  void change(Preferences aPreferences) throws DAOException {
    Db.edit(CHANGE_PREFERENCES, aPreferences.getLocale().toString(), aPreferences.getUserName());