final int offeringsCount = 2 + (random.nextInt() % 100);
for (int i = 0; i < offeringsCount; i++) {
final Calendar c = Calendar.getInstance();
c.set(Calendar.YEAR, random.nextInt() % 3 + 100);
Offering o = new Offering();
o.deadline = (c.getTime());
// TODO will see how to do that
//o.services_objects = (new LinkedList<UniqueService>());
//sum += getServices(o.services_objects);