public CachedObject getKeep(int key) {

    CachedObject object = cache.get(key, this, true);

    return object;
  }
  public CachedObject get(int key) {

    CachedObject object = cache.get(key, this, false);

    return object;
  }
  public CachedObject get(CachedObject object, boolean keep) {

    object = cache.get(object, this, keep);

    return object;
  }
 public int getStorageSize(int i) {
   return cache.get(i, this, false).getStorageSize();
 }
  public CachedObject get(int key, boolean keep) {

    CachedObject object = cache.get(key, this, keep);

    return object;
  }