static internal void ValidatesIntervalPeriodWithChargeDay(Interval.PeriodWithChargeDay interval)
{
if( interval.Interval < 1 ) {
throw new ArgumentException("Interval must be greater than zero");
}
if( interval.Unit == null ) {
throw new ArgumentException("Interval unit cannot be null");
}
}
public Creator WithPeriodOfValidity(Interval.Period period)
{
PeriodOfValidity = period;
return this;
}
internal Creator(Payment payment, int amount, String currency, Interval.PeriodWithChargeDay interval)
{
Payment = payment;
Amount = amount;
Currency = currency;
this.Interval = interval;
}
public Creator WithInterval(Interval.PeriodWithChargeDay interval)
{
Interval = interval;
return this;
}
public static Creator Create(String paymentId, int amount, String currency, Interval.PeriodWithChargeDay interval)
{
return new Creator(new Payment(paymentId), amount, currency, interval);
}