/** Shuffle the observers list */
protected void shuffleObservers() {
logger.info("Shuffling observers list...");
logger.debug("#Observers before shuffle = " + super.countObservers());
logger.debug("Deleting observers...");
super.deleteObservers();
logger.debug("#Observers = " + super.countObservers());
Collections.shuffle(obs, prng);
for (Observer o : obs) {
super.addObserver(o);
}
logger.debug("Observers shuffled and re-added: #Observers = " + super.countObservers());
}
@Override
public void deleteObservers() {
observable.deleteObservers();
}
/** Delete observers. */
public void deleteObservers() {
if (observable != null) {
observable.deleteObservers();
}
}