protected void updateLinks(Map<Link, Long> oldTraffic, Map<Link, Long> linkTraffic) {
for (Map.Entry<Link, Long> linkDoubleEntry : linkTraffic.entrySet()) {
Link link = linkDoubleEntry.getKey();
if (oldTraffic != null) {
oldTraffic.put(link, link.getUsedCapacity());
}
link.setUsedCapacity(linkDoubleEntry.getValue());
}
}
