@Override
public MessageResult next() {
if (hasNext()) {
final Message<Id> message = next.next();
MessageResult result;
try {
result = ResultUtils.loadMessageResult(message, group);
cursor = result.getUid();
} catch (MailboxException e) {
result = new UnloadedMessageResult<Id>(message, e);
}
cursor++;
// move the start UID behind the last fetched message UID if needed
if (hasNext()) {
if (cursor > to) {
done = true;
}
}
return result;
}
throw new NoSuchElementException();
}
public int compareTo(MessageResult that) {
// Java 1.5 return (int) Math.signum(uid - that.getUid());
long diff = uid - that.getUid();
return (int) diff == 0 ? 0 : diff > 0 ? 1 : -1;
}