final TweetPoll tweetPoll = this.getTweetPoll(tweetPollId, username);
if (tweetPoll != null){
tweetPoll.setAllowRepatedVotes(tweetPoll.getAllowRepatedVotes() == null ? false : !tweetPoll.getAllowRepatedVotes());
getTweetPollDao().saveOrUpdate(tweetPoll);
} else {
throw new EnmeFailOperation("Fail Change Allow Repeated Operation");
}
}