class UniversalBaseDiscCache extends UniversalDiscCache {

	@Override
	public synchronized void initialize() {
		if (cacheDir.exists()) {
			return;
		}
		if (!cacheDir.mkdir()) {
			VolleyLog.e("Unable to create cache dir %s",
					cacheDir.getAbsolutePath());
		}
	}

	protected  UniversalBaseDiscCache(File cacheDir, DiscCacheAware delegate);

}