public bool Put(TemplateCacheKey key, T templateInfo, TimeSpan slidingExpiration)
{
var item = new LocalTemplateCacheItem <T>(new TemplateCacheItem <T>(key, templateInfo), slidingExpiration);
_cache[key] = item;
return(true);
}
public TemplateCacheItem <T> Get(TemplateCacheKey key)
{
var cacheKey = string.Format(CacheKeyTemplate, typeof(T), key);
var item = MemoryCache.Default.Get(cacheKey) as TemplateCacheItem <T>;
return(item);
}
public TemplateCacheItem(TemplateCacheKey key, T templateInfo)
{
Contract.Requires(key != null);
_key = key;
_templateInfo = templateInfo;
}
public bool Put(TemplateCacheKey key, T templateInfo, TimeSpan slidingExpiration)
{
var cacheKey = string.Format(CacheKeyTemplate, typeof(T), key);
return(MemoryCache.Default.Add(cacheKey, new TemplateCacheItem <T>(key, templateInfo),
new CacheItemPolicy {
SlidingExpiration = slidingExpiration
}));
}
public TemplateCacheItem <T> Get(TemplateCacheKey key)
{
var item = EnsureExpiration(key);
if (item == null)
{
return(null);
}
item.LastAccessTime = DateTime.UtcNow;
return(item.Item);
}
private LocalTemplateCacheItem <T> EnsureExpiration(TemplateCacheKey key)
{
if (!_cache.ContainsKey(key))
{
return(null);
}
var item = _cache[key];
if (item.LastAccessTime + item.SlidingExpiration < DateTime.UtcNow)
{
_cache.TryRemove(key, out item);
return(null);
}
return(item);
}
public bool ContainsKey(TemplateCacheKey key)
{
var cacheKey = string.Format(CacheKeyTemplate, typeof(T), key);
return(MemoryCache.Default.Contains(cacheKey, null));
}
public bool ContainsKey(TemplateCacheKey key)
{
var item = EnsureExpiration(key);
return(item != null);
}