public void removeObsoleteGames(Event event, Set<? extends ParticipantI> newParticipants) {
List<Game> eventGames = gameDAO.findByEvent(event);
Iterator<Game> eventGameIterator = eventGames.iterator();
while (eventGameIterator.hasNext()) {
Game game = eventGameIterator.next();
// only remove if game participant no longer participates in event
if (!newParticipants.containsAll(game.getParticipants())) {
eventGameIterator.remove();
gameDAO.deleteById(game.getId());
}
}
}
