ConcurrentUserAggregationKey key = new ConcurrentUserAggregationKeyImpl(interval, group);
final List<ConcurrentUserAggregation> aggregations = concurrentUserAggregationDao.getAggregations(begin, end, key);
// NB: We only care about the most recent entry (??)
if (aggregations.size() != 0) {
final ConcurrentUserAggregation aggregation = aggregations.get(0);
int groupTotal = aggregation.getConcurrentUsers();
absTotal += aggregation.getConcurrentUsers();
if (group.getGroupName().equalsIgnoreCase(masterGroup))
{
masterTotal = groupTotal;
} else {
subTotal += groupTotal;