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查询Tags标签: hasKey,共有 3条记录-
解决idea对stringRedisTemplate.hasKey(xx)的警告
问题详情 在使用stringRedisTemplate.hasKey(**)黄色警告警告信息: IDEA Unboxing of ‘stringRedisTemplate.hasKey(xx)’ may produce ‘NullPointerException’ 警告 拆箱时有可能空指针异常翻看hasKey源码看hasKey源码可知,hasKey方法返回一个对象包装器,但在if条件…
2022/3/8 19:15:20 人评论 次浏览 -
redis 锁
demo1 public ErrorCode initDemo1(@RequestParam("orderNo") String orderNo) throws IOException {String lockKey = KEY + orderNo;Boolean hasKey = null;try {//锁判断hasKey = redisTemplate.hasKey(lockKey);int index = 0;while (hasKey && ind…
2021/7/12 19:10:06 人评论 次浏览 -
redis 锁
demo1 public ErrorCode initDemo1(@RequestParam("orderNo") String orderNo) throws IOException {String lockKey = KEY + orderNo;Boolean hasKey = null;try {//锁判断hasKey = redisTemplate.hasKey(lockKey);int index = 0;while (hasKey && ind…
2021/7/12 19:10:06 人评论 次浏览