private void appendPeriodicPurchaseSchedule(StringBuilder req, PeriodicPurchaseInfo.Schedule schedule)
{
if (schedule == null) {
throw new ArgumentNullException("a non-null schedule is required");
}
this.appendParam(req, "periodicPurchaseScheduleTypeCode", (int) schedule.getScheduleType());
this.appendParam(req, "periodicPurchaseIntervalLength", schedule.getIntervalLength());
}
