public CacheObject get(int pos) {
CacheObject r = lru.find(pos);
if (r != null) {
return r;
}
r = fifo.find(pos);
if (r != null && !r.isStream()) {
if (recentlyUsed.get(pos) != null) {
if (lastUsed != pos) {
fifo.remove(pos);
lru.put(r);
}
} else {
recentlyUsed.put(pos, this);
}
lastUsed = pos;
}
return r;
}
