private void GetDataByCacheKey(IInvocation invocation, IRedisCacheService redisCacheService, ParameterInfo[] parameters, ServiceCacheAttribute svcCacheAttribute, string cacheKey)
{
int retryTimes = 0;
if (redisCacheService.Contains(cacheKey))
{
GetDataByCacheKey(invocation, redisCacheService, parameters, cacheKey);
retryTimes = 0;
}
else
{
Label_RETRY:
var isLock = CheckCacheKeyLock(invocation, redisCacheService, parameters, svcCacheAttribute, cacheKey);
if (isLock)
{
while (retryTimes <= 3)
{
Thread.Sleep(500);
retryTimes++;
goto Label_RETRY;
}
var cacheKeyLocked = string.Format("{0}:LOCK", cacheKey);
redisCacheService.Remove(cacheKeyLocked);
}
}
}
public async Task <BaseResponse <object> > GetAll()
{
//BaseResponse<IEnumerable<CityDto>> baseResponse = new BaseResponse<IEnumerable<CityDto>>();
string key = RedisConsts.City + DateTime.Now.ToString("yyyyMMdd_hh");
var keyExists = await _redisCacheService.Contains(key);
if (keyExists)
{
var recordsInCache = _redisCacheService.Get <IEnumerable <CityDto> >(key);
_response.IsSuccess = true;
_response.TimeStamp = DateTime.Now;
_response.Result = recordsInCache;
}
else
{
var result = await _cityRepository.GetAll();
var mappedResult = _mapper.Map <IEnumerable <CityDto> >(result);
_response.IsSuccess = true;
_response.TimeStamp = DateTime.Now;
_response.Result = mappedResult;
_redisCacheService.SetAsync <IEnumerable <CityDto> >(key, mappedResult);
}
return(_response);
}
private bool CheckCacheKey(IInvocation invocation, IRedisCacheService redisCacheService, ParameterInfo[] parameters, ServiceCacheAttribute svcCacheAttribute, string cacheKey)
{
if (redisCacheService.Contains(cacheKey))
{
GetDataByCacheKey(invocation, redisCacheService, parameters, cacheKey);
return(false);
}
else
{
CheckCacheKeyLock(invocation, redisCacheService, parameters, svcCacheAttribute, cacheKey);
return(true);
}
}