开课吧 核心能力提升班商业智能方向
*/
private static Map<String, CacheState> stateCache = new ConcurrentHashMap<>();
private final ReentrantReadWriteLock cacheLock = new ReentrantReadWriteLock(true);
private final Lock writeLock = cacheLock.writeLock();
private final Lock readLock = cacheLock.readLock();
