static void pushFacets(TShortIntHashMap facets) {
facets.clear();
Deque<TShortIntHashMap> deque = cache.get().get();
if (deque != null) {
deque.add(facets);
}
}
static TShortIntHashMap popFacets() {
Deque<TShortIntHashMap> deque = cache.get().get();
if (deque.isEmpty()) {
deque.add(new TShortIntHashMap());
}
TShortIntHashMap facets = deque.pollFirst();
facets.clear();
return facets;
}