Physically deletes rows in the cache group that are marked as logically deleted and are older than the specified date.
void purgeCacheGroup(String cacheGroupName, Date date) throws SUPAdminException;
If successful, returns silently. If unsuccessful, returns SUPAdminException.
Calendar cal = Calendar.getInstance();
cal.clear();
cal.set(Calendar.YEAR, 2009);
cal.set(Calendar.MONTH, 11);
cal.set(Calendar.DAY_OF_MONTH, 3);
Date dateThreshold = cal.getTime();
// Physically delete data that is marked as deleted and older than the
// dateThreshold
suppkg.purgeCacheGroup("<cache group name>", dateThreshold);