gistfile1.txt

String biggestSpendersKey = SORTED_SET_KEY + principal.getName();
Set<TypedTuple<String>> range = redis.opsForZSet().rangeByScoreWithScores(biggestSpendersKey, 0,
        Double.MAX_VALUE);
if (range.size() > 0) {
    BiggestSpenders biggestSpenders = new BiggestSpenders(range.size());
    int i = 0;
    for (TypedTuple<String> typedTuple : range) {
        biggestSpenders.getSeries()[i] = Math.floor(typedTuple.getScore() * 100) / 100;
        biggestSpenders.getLabels()[i] = typedTuple.getValue();
        i++;
    }
    return biggestSpenders;
} else {
    return new BiggestSpenders(0);
}