public void addRingToCache(int ringId) {
        MapleRing ring = MapleRing.loadFromDb(ringId);
        if (ring.getItemId() >= 1112001 && ring.getItemId() <= 1112007 || ring.getItemId() == 1112012) {
            if (ring != null) {
                crushRings.add(ring);
            }
        } else if (ring.getItemId() >= 1112800 && ring.getItemId() <= 1112802) {
            if (ring != null) {
                friendshipRings.add(ring);
            }
        } else if (ring.getItemId() >= 1112803 && ring.getItemId() <= 1112807 || ring.getItemId() == 1112809) {
            if (ring != null) {
                marriageRings.add(ring);
            }
        }
    }