@Override
	protected MultiLevelCache getCurrentLevelCache(String pool) {
		initialize();
		net.sf.ehcache.Cache cache;
		try {
			cache = doGetCache(pool.toUpperCase());
		} catch (Exception e) {
			throw new CacheUnreachableException("创建Ehcache实例失败");
		}
		Ehcache ehcache = new Ehcache();
		ehcache.setCache(cache);
		return ehcache;
	}