前言 官网的英文介绍大概如下: Starting with version 4.0, the RedisLockRegistry is available. Certain components (for example aggregator and resequencer) use a lock obtained from a LockRegistry instance to ensure that only one thread is manipulating a group at a ti…
/** * Performs lock. Try immediate barge, backing up to normal * acquire on failure. */ final void lock() { if (compareAndSetState(0, 1)) setExclusiveOwnerThread(Thread.currentThread()); else acquire(1); } 为了表述清楚假设当前请求获取锁的线程名称为“线程x” (1)非公平锁的第一步:当“线程x…
看看Curator框架 为实现对 连接状态ConnectionState的监听,都是怎么构造框架的.后面我们也可以应用到业务的各种监听中. Curator2.13实现 接口 Listener Listener接口,给用户实现stateChange()传入新的状态,用户实现对这新的状态要做什么逻辑处理. public interface ConnectionStateListener { /** * Called when there is a state change in the connec…