옅은 ViewObject 디자인

public class PaymentViewObject {
    private boolean onlineBank;
    private double amount;
    private boolean point;
    private double points;
    private boolean voucher;
    private String voucherNo;

    public PayRecord createOnlineBanckRecord(){
        PayRecord record = new PayRecord();
        record.setType(Payment.Onlinebank);
        record.setAmount(amount);
        return record;
    }

    /**
     *        
     */
    public isValidPayment(){
        return onlineBank || point || voucher
    }
    public boolean hasEnoughPoints(int pointsHad){
        if (pointsHad == 0) return false;
        return points <pointsHad;
    }
    public PayRecord createPointRecord(){
        PayRecord record = new PayRecord();
        record.setType(Payment.Point);
        record.setPoints(points);
        return record;
    }
    public PayRecord createVoucherRecord(){
        PayRecord record = new PayRecord();
        record.setType(Payment.Vourcher);
        record.setVourcherNo(voucherNo);
        return record;
    }
    public List<PayRecord> createPayRecordes(){
        List<PayRecord> records = new ArrayList<PayRecord>();
        if(points){
            records.add(createPointRecord());
        }
        if(onlineBank){
            records.add(createOnlineBanckRecord());
        }
        if(voucher){
            records.add(createVoucherRecord());
        }
        return records;
    }
}