private string GetCache()
{
if (!RedisDb.Exists(_cacheKey))
{
ReloadCache();
}
return(RedisDb.Get(_cacheKey));
}
/// <summary>
/// 阻塞方式获取缓存
/// </summary>
/// <returns></returns>
private string ReadCacheByLock()
{
if (DateTime.Now > _nextReloadTime)
{
lock (this)
{
if (DateTime.Now > _nextReloadTime)
{
ReloadCache();
}
}
}
return(RedisDb.Get(_cacheList[_reloadCache]));
}
/// <summary>
/// 启用本地缓存
/// </summary>
/// <returns></returns>
private string GetCache()
{
try
{
if (new Random().Next(0, 10) > 6)
{
throw new Exception();
}
return(RedisDb.Get(cacheKey));
}
catch (Exception ex)
{
return(_localCache[1]);
}
}
/// <summary>
/// 部分阻塞获取缓存
/// </summary>
/// <returns></returns>
private string ReadCacheByLockExpire()
{
if (DateTime.Now > _nextReloadTime && !_isLock)
{
_isLock = true;
lock (this)
{
if (DateTime.Now > _nextReloadTime)
{
ReloadCache();
}
}
_isLock = false;
}
return(RedisDb.Get(_cacheList[_reloadCache]));
}
/// <summary>
/// 启用二级缓存
/// </summary>
/// <returns></returns>
private string GetCache2()
{
string cacheKey2 = "LowerCacheKeyBackup";
try
{
if (new Random().Next(0, 10) > 6)
{
throw new Exception();
}
return(RedisDb.Get(cacheKey));
}
catch (Exception ex)
{
return(RedisDb.Get(cacheKey2));
}
}
private string ReadCache()
{
if (DateTime.Now > _nextReloadTime)
{
lock (this)
{
if (!_isReloading)
{
SwapCache();
Task.Run(() =>
{
ReloadCache();
});
}
}
}
return(RedisDb.Get(_cacheList[_usingCache]));
}
/// <summary>
/// 禁止访问业务
/// </summary>
/// <returns></returns>
private string GetCache3()
{
if (_exceptionCount > 10)
{
return("业务繁忙，请稍后访问");
}
try
{
if (new Random().Next(0, 10) > 6)
{
throw new Exception();
}
return(RedisDb.Get(cacheKey));
}
catch (Exception ex)
{
_exceptionCount++;
return("业务繁忙，请稍后访问");
}
}
/// <summary>
/// 字符串
/// </summary>
private void ShowStr()
{
RedisDb.Set("StrKey1", new List <int> {
1, 2, 3, 4, 5
});
RedisDb.Set("StrKey2", new { Name = "LGn", Age = 18 });
RedisDb.Set("StrKey3", new[] { new { Name = "LGn", Age = 18 } });
WriteColorLine(RedisDb.Get("StrKey1"), ConsoleColor.Green);
WriteColorLine(RedisDb.Get("StrKey2"), ConsoleColor.Green);
WriteColorLine(RedisDb.Get("StrKey3"), ConsoleColor.Green);
RedisDb.Set("Incr1", 5);
RedisDb.Set("Incr2", 5);
RedisDb.IncrBy("Incr1");
//异常
//RedisDb.Set("Incr3", "Abc");
//RedisDb.IncrBy("Incr3");
}
