protected Set getDefaultValues() {
    Set values = null;
    try {
      CachedPolicy cachedPolicy = getCachedPolicy();
      Policy policy = cachedPolicy.getPolicy();
      String referralName = (String) getPageSessionAttribute(PG_SESSION_REFERRAL_NAME);

      Referral referral = policy.getReferral(referralName);
      values = referral.getValues();
    } catch (NameNotFoundException e) {
      debug.warning("ReferralEditViewBean.getDefaultValues", e);
    } catch (AMConsoleException e) {
      debug.warning("ReferralEditViewBean.getDefaultValues", e);
    }
    return values;
  }