public long getTimeForGettingStrings(Shortener shortener, Set<Long> ids, Set<String> strings) {
long startedTime = new Date().getTime();
for (Long id : ids) {
strings.add(shortener.getString(id));
}
long endedTime = new Date().getTime();
return endedTime - startedTime;
}
public long getTimeForGettingIds(Shortener shortener, Set<String> strings, Set<Long> ids) {
long startedTime = new Date().getTime();
for (String str : strings) {
ids.add(shortener.getId(str));
}
long endedTime = new Date().getTime();
return endedTime - startedTime;
}