• RedisLockTool.tryGetDistributedLock(); GET LOCK key = caller className&method value = Current Thread Id
• RedisLockTool.tryGetDistributedLock(String lockKey, String requestId); GET LOCK
• RedisLockTool.tryGetDistributedLock(String lockKey, String requestId, Integer expireSecond);
• RedisLockTool.tryGetDistributedLock(String lockKey, String requestId, Integer expireSecond, Long loopTimes, Long sleepInterval);

redis集群情况下推荐RedLock