@Override public void endWindow() { for (K key : cache.getChangedKeys()) { SpillableSetImpl<V> spillableSet = cache.get(key); spillableSet.endWindow(); map.put(key, new ImmutablePair<>(spillableSet.size(), spillableSet.getHead())); } for (SpillableSetImpl removedSet : removedSets) { removedSet.endWindow(); } removedSets.clear(); cache.endWindow(); map.endWindow(); keyValueSerdeManager.resetReadBuffer(); }