@Override
public List<String> validateResponseAttributes(
List<FeedbackResponseAttributes> responses, int numRecipients) {
if (responses.isEmpty()) {
return new ArrayList<String>();
}
if (areDuplicatesAllowed) {
return new ArrayList<String>();
} else {
List<String> errors = new ArrayList<>();
for (FeedbackResponseAttributes response : responses) {
FeedbackRankOptionsResponseDetails frd =
(FeedbackRankOptionsResponseDetails) response.getResponseDetails();
Set<Integer> responseRank = new HashSet<>();
for (int answer : frd.getFilteredSortedAnswerList()) {
if (responseRank.contains(answer)) {
errors.add("Duplicate rank " + answer);
}
responseRank.add(answer);
}
}
return errors;
}
}
