Example #1
0
        public bool SetUpDwon(UpDownInputDto upDownInput)
        {
            if (upDownInput.IsUp)
            {
                using (var datalock = cacheClientDB.AcquireLock("DataLock:", TimeSpan.FromSeconds(2)))
                {
                    string lua = @"";
                    cacheClientDB.RemoveItemFromSet(GetSetIDByUpDown(PostRepleyEnum.Repley, UpDownEnum.Down, upDownInput.PostOrReplyId), upDownInput.UserId.ToString());

                    cacheClientDB.AddItemToSet(GetSetIDByUpDown(PostRepleyEnum.Repley, UpDownEnum.Up, upDownInput.PostOrReplyId), upDownInput.UserId.ToString());
                }



                return(true);
            }

            var isok = cacheClientDB.Add <string>("lockdata3", "lockdata3", TimeSpan.FromSeconds(2));

            if (isok)
            {
                try
                {
                    cacheClientDB.RemoveItemFromSet(GetSetIDByUpDown(PostRepleyEnum.Repley, UpDownEnum.Up, upDownInput.PostOrReplyId), upDownInput.UserId.ToString());
                    cacheClientDB.AddItemToSet(GetSetIDByUpDown(PostRepleyEnum.Repley, UpDownEnum.Down, upDownInput.PostOrReplyId), upDownInput.UserId.ToString());
                }
                catch (Exception)
                {
                    throw;
                }
                finally
                {
                    cacheClientDB.Remove("lockdata3");
                }
            }

            //cacheClientDB.AddItemToSet(ConfigManger.Project + PostRepleyEnum.Repley.ToString()+":"+upDownInput.PostOrReplyId, upDownInput.UserId.ToString());
            return(true);
            //return UpDown(upDownInput.IsUp, upDownInput.UserId, upDownInput.PostOrReplyId);
        }
Example #2
0
        public bool SetUpDwon(UpDownInputDto upDownInput)
        {
            // 需要缓存  去重 互斥
            //如果是赞,则删除踩
            // 如果是踩,则删除赞
            //比如踩,则判断有么有赞,如果有,则删出,没有啥都不敢,然后直接写入踩



            if (upDownInput.IsUp)
            {
                //事务 集群的话事务百搭
                // 锁
                /// 阻塞锁,能不用则不用
                /// //实现原子性, redis ,一个lua 脚本对于redis服务而已就是调了一个方法,想当于打包然后保证原子性执行
                using (var datalock = cacheClientDB.AcquireLock("DataLock:", TimeSpan.FromSeconds(2)))
                {
                    // lua
                    // 大道至简
                    // 持久化-- 定时作业 一个key是一个帖子,到时候定时刷盘,不能全盘扫描redis的key
                    // 每次不管是点赞还是点踩,都维护一个list,专门存在我们点赞和点踩的key,list有分页

                    // 能做,,clay
                    // 想想,换------

                    string lua = @"";
                    cacheClientDB.RemoveItemFromSet(GetSetIDByUpDown(PostRepleyEnum.Content, UpDownEnum.Down, upDownInput.PostOrReplyId), upDownInput.UserId.ToString());

                    //cacheClientDB.GetClient().Custom("SMOVE", GetSetIDByUpDown(PostRepleyEnum.Content, UpDownEnum.Down, upDownInput.PostOrReplyId), GetSetIDByUpDown(PostRepleyEnum.Content, UpDownEnum.Up, upDownInput.PostOrReplyId), upDownInput.UserId.ToString());

                    cacheClientDB.AddItemToSet(GetSetIDByUpDown(PostRepleyEnum.Content, UpDownEnum.Up, upDownInput.PostOrReplyId), upDownInput.UserId.ToString());
                }



                return(true);
            }

            var isok = cacheClientDB.Add <string>("lockdata2", "lockdata2", TimeSpan.FromSeconds(2));

            // 非阻塞锁
            if (isok)
            {
                try
                {
                    cacheClientDB.RemoveItemFromSet(GetSetIDByUpDown(PostRepleyEnum.Content, UpDownEnum.Up, upDownInput.PostOrReplyId), upDownInput.UserId.ToString());
                    // 首先往redis里面写入这个key
                    cacheClientDB.AddItemToSet(GetSetIDByUpDown(PostRepleyEnum.Content, UpDownEnum.Down, upDownInput.PostOrReplyId), upDownInput.UserId.ToString());
                }
                catch (Exception)
                {
                    throw;
                }
                finally
                {
                    cacheClientDB.Remove("lockdata2");
                }
            }


            //cacheClientDB.GetClient().Custom("SMOVE", GetSetIDByUpDown(PostRepleyEnum.Content, UpDownEnum.Up, upDownInput.PostOrReplyId), GetSetIDByUpDown(PostRepleyEnum.Content, UpDownEnum.Down, upDownInput.PostOrReplyId), upDownInput.UserId.ToString());
            return(true);

            //return UpDown(upDownInput.IsUp, upDownInput.UserId, upDownInput.PostOrReplyId);
        }