Пример #1
0
  @Override
  protected Money subtractFromExemptions(
      Event event, DateTime when, boolean applyDiscount, Money amountToPay) {

    if (event instanceof AcademicEvent) {
      final AcademicEvent requestEvent = (AcademicEvent) event;
      if (requestEvent.hasAcademicEventExemption()) {
        amountToPay = amountToPay.subtract(requestEvent.getAcademicEventExemption().getValue());
      }

      return amountToPay.isPositive() ? amountToPay : Money.ZERO;
    }

    return amountToPay;
  }