Set<Door> doors = new HashSet<Door>();
int winner = RANDOM.nextInt(3);
for (int i = 0; i < 3; i++) {
Long id = this.idGenerator.getAndIncrement();
DoorContent content = i == winner ? DoorContent.JUERGEN : DoorContent.SMALL_FURRY_ANIMAL;
doors.add(new Door(id, content));
}
return doors;
}