cache/src/main/java/org/echocat/jomon/cache/LfuCache.java
@Override
    protected void updateListAfterHit(CacheEntry<K, V> entry) {
        if (entry != null && !entry.equals(_first)) {
            if (entry.getHits() > entry.getPrevious().getHits()) {

                // Swap the positions
                final CacheEntry<K, V> beforePrevious = entry.getPrevious().getPrevious();
                final CacheEntry<K, V> previous = entry.getPrevious();
                final CacheEntry<K, V> next = entry.getNext();

                if (beforePrevious != null) {
                    beforePrevious.setNext(entry);
                } else {
                    _first = entry;
                }
                entry.setPrevious(beforePrevious);

                previous.setPrevious(entry);
                previous.setNext(next);

                entry.setNext(previous);

                if (next == null) {
                    setLast(previous);
                } else {
                    next.setPrevious(previous);
                }
            }
        }
    }
@Override
    protected void updateListAfterHit(CacheEntry<K, V> entry) {
        if (entry != null && !entry.equals(_first)) {
            if (entry.getHits() > entry.getPrevious().getHits()) {

                // Swap the positions
                final CacheEntry<K, V> beforePrevious = entry.getPrevious().getPrevious();
                final CacheEntry<K, V> previous = entry.getPrevious();
                final CacheEntry<K, V> next = entry.getNext();

                if (beforePrevious != null) {
                    beforePrevious.setNext(entry);
                } else {
                    _first = entry;
                }
                entry.setPrevious(beforePrevious);

                previous.setPrevious(entry);
                previous.setNext(next);

                entry.setNext(previous);

                if (next == null) {
                    setLast(previous);
                } else {
                    next.setPrevious(previous);
                }
            }
        }
    }
Resort the linked list. If this CacheEntry has more hits than the previous one move it up.