/// <summary>
/// Processes the evict.
/// </summary>
/// <param name="invocation">Invocation.</param>
/// <param name="preRemoveKey">preRemoveKey</param>
private void ProcessEvictAfter(IInvocation invocation, CachingEvictAttribute attribute, IEnumerable <string> cacheKeys)
{
var pollyTimeoutSeconds = _cacheProvider.CacheOptions.PollyTimeoutSeconds;
var keyExpireSeconds = pollyTimeoutSeconds + 1;
_cacheProvider.KeyExpireAsync(cacheKeys, keyExpireSeconds).GetAwaiter().GetResult();
var expireDt = DateTime.Now.AddSeconds(keyExpireSeconds);
var cancelTokenSource = new CancellationTokenSource();
var timeoutPolicy = Policy.Timeout(pollyTimeoutSeconds, Polly.Timeout.TimeoutStrategy.Optimistic);
timeoutPolicy.Execute((cancellToken) =>
{
invocation.Proceed();
cancellToken.ThrowIfCancellationRequested();
}, cancelTokenSource.Token);
try
{
_cacheProvider.RemoveAll(cacheKeys);
}
catch (Exception ex)
{
LocalVariables.Instance.Queue.Enqueue(new LocalVariables.Model(cacheKeys, expireDt));
if (!attribute.IsHighAvailability)
{
throw;
}
else
{
_logger?.LogError(new EventId(), ex, $"Cache provider remove error.");
}
}
}
/// <summary>
/// Processes the put.
/// </summary>
/// <param name="invocation">Invocation.</param>
//private void ProcessPut(IInvocation invocation, CachingPutAttribute attribute)
//{
// var serviceMethod = invocation.Method ?? invocation.MethodInvocationTarget;
// var cacheKey = string.IsNullOrEmpty(attribute.CacheKey)
// ? _keyGenerator.GetCacheKey(serviceMethod, invocation.Arguments, attribute.CacheKeyPrefix)
// : attribute.CacheKey
// ;
// try
// {
// var returnValue = serviceMethod.IsReturnTask()
// ? invocation.UnwrapAsyncReturnValue().Result
// : invocation.ReturnValue;
// _cacheProvider.Set(cacheKey, returnValue, TimeSpan.FromSeconds(attribute.Expiration));
// }
// catch (Exception ex)
// {
// if (!attribute.IsHighAvailability) throw;
// else _logger?.LogError(new EventId(), ex, $"Cache provider set error.");
// }
//}
/// <summary>
/// Processes the evict.
/// </summary>
/// <param name="invocation">IInvocation.</param>
/// <returns></returns>
private List <string> ProcessEvictBefore(IInvocation invocation, CachingEvictAttribute attribute)
{
var serviceMethod = invocation.Method ?? invocation.MethodInvocationTarget;
var needRemovedKeys = new HashSet <string>();
if (!string.IsNullOrEmpty(attribute.CacheKey))
{
needRemovedKeys.Add(attribute.CacheKey);
}
if (attribute.CacheKeys?.Length > 0)
{
needRemovedKeys.UnionWith(attribute.CacheKeys);
}
if (!string.IsNullOrWhiteSpace(attribute.CacheKeyPrefix))
{
var cacheKeys = _keyGenerator.GetCacheKeys(serviceMethod, invocation.Arguments, attribute.CacheKeyPrefix);
needRemovedKeys.UnionWith(cacheKeys);
}
return(needRemovedKeys.ToList());
}
private (List <string> cacheKeys, DateTime expireDt) ProcessEvictBefore(IInvocation invocation, CachingEvictAttribute attribute)
{
var serviceMethod = invocation.Method ?? invocation.MethodInvocationTarget;
var needRemovedKeys = new HashSet <string>();
if (!string.IsNullOrEmpty(attribute.CacheKey))
{
needRemovedKeys.Add(attribute.CacheKey);
}
if (attribute.CacheKeys?.Length > 0)
{
needRemovedKeys.UnionWith(attribute.CacheKeys);
}
if (!string.IsNullOrWhiteSpace(attribute.CacheKeyPrefix))
{
var cacheKeys = _keyGenerator.GetCacheKeys(serviceMethod, invocation.Arguments, attribute.CacheKeyPrefix);
needRemovedKeys.UnionWith(cacheKeys);
}
var keyExpireSeconds = _cacheProvider.CacheOptions.PollyTimeoutSeconds + 1;
_cacheProvider.KeyExpireAsync(needRemovedKeys, keyExpireSeconds).GetAwaiter().GetResult();
return(needRemovedKeys.ToList(), DateTime.Now.AddSeconds(keyExpireSeconds));
}
