public void createNewLine() {
    manualFlush();
    if (entity == null) {
      return;
    }
    PaymentItem it = new PaymentItem();
    it.setOwner(entity);
    it.setLineType(PaymentType.Cash);
    it.getAmount().setCurrency(BaseConsts.SYSTEM_CURRENCY_CODE);

    entity.getItems().add(it);

    log.debug("yeni item eklendi");
  }