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);
}
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);
}