bool _validateAge <T>(XCacheItem <T> cacheItem)
where T : class, new()
{
if (cacheItem.MaxAge == null)
{
return(true);
}
var ts = DateTime.UtcNow.Subtract(cacheItem.DateStamp);
return(ts < cacheItem.MaxAge);
}
void _updateItem <T>(T cacheItem, XCacheItem <T> cacheWrapper)
where T : class, new()
{
var asCache = cacheItem as ICacheInfo;
if (asCache == null)
{
return;
}
asCache.CacheId = cacheWrapper.Id;
asCache.CacheDateStamp = cacheWrapper.DateStamp;
}
public async Task <XCacheItem <T> > Set <T>(string key, T item, TimeSpan?maxAge) where T : class, new()
{
var cacheItem = new XCacheItem <T>();
cacheItem.DateStamp = DateTime.UtcNow;
cacheItem.Item = item;
cacheItem.Key = key;
cacheItem.MaxAge = maxAge;
if (maxAge != null && maxAge.Value > TimeSpan.FromDays(7))
{
maxAge = TimeSpan.FromDays(7);
}
var result = await _redisCache.SetEntity(key, cacheItem, maxAge);
return(cacheItem);
}
public async Task <XCacheItem <T> > Set <T>(string key, T item, TimeSpan?maxAge) where T : class, new()
{
var t = typeof(T);
Dictionary <string, object> dict = null;
if (_memoryCache != null)
{
if (!_memoryCache.ContainsKey(t))
{
_memoryCache.Add(t, new Dictionary <string, object>());
}
dict = _memoryCache[t];
}
else
{
dict = new Dictionary <string, object>();
}
XCacheItem <T> cacheItem = null;
if (dict.ContainsKey(key))
{
cacheItem = dict[key] as XCacheItem <T>;
}
if (cacheItem == null)
{
cacheItem = new XCacheItem <T>();
dict[key] = cacheItem;
}
cacheItem.DateStamp = DateTime.UtcNow;
cacheItem.MaxAge = maxAge;
cacheItem.Item = item;
cacheItem.Key = key;
return(cacheItem);
}