public static Collection<Statistic> merge(Collection<Statistic>... results) {
Collection<Statistic> newResults = new ArrayList<Statistic>();
if (results.length == 0) {
return Collections.emptySet();
} else if (results.length == 1) {
return results[0];
} else {
List<String> indivNames = new ArrayList<String>();
for (Collection<Statistic> result : results) {
for (Statistic individual : result) {
if (!indivNames.contains(individual.name)) {
indivNames.add(individual.name);
}
}
}
for (String indivName : indivNames) {
Statistic indivStat = new Statistic(indivName);
for (Collection<Statistic> result : results) {
for (Statistic individual : result) {
if (indivName.equals(individual.name)) {
indivStat.add(individual);
}
}
}
newResults.add(indivStat);
}
return newResults;
}
}
public static Statistic total(Collection<Statistic>... results) {
Collection<Statistic> merged = merge(results);
Statistic total = new Statistic("");
for (Statistic individual : merged) {
total.add(individual);
}
return total;
}