private byte[] GetFromRemote(CacheSettings cs, string path)
{
var data = GetFromRemote(path);
if (cs.Cached)
{
cs.CacheDependency = CacheHelper.GetCacheDependency(BlobCacheHelper.GetCacheDependency(path));
}
return(data);
}
private void AddToCache(string path, byte[] data, DateTime created)
{
switch (_cacheType)
{
case BlobCacheType.Memory:
CacheHelper.Add(BlobCacheHelper.GetCacheKey(path), data, CacheHelper.GetCacheDependency(BlobCacheHelper.GetCacheDependency(path)), DateTime.Now.AddMinutes(AccountInfo.Instance.BlobCacheMinutes), System.Web.Caching.Cache.NoSlidingExpiration);
break;
case BlobCacheType.FileSystem:
AddToFileSystem(path, data, created);
break;
}
}
public void Discard(string path)
{
switch (_cacheType)
{
case BlobCacheType.Memory:
CacheHelper.TouchKey(BlobCacheHelper.GetCacheDependency(path));
break;
case BlobCacheType.FileSystem:
var tempFilePath = AzurePathHelper.GetTempBlobPath(path);
if (System.IO.File.Exists(tempFilePath))
{
System.IO.File.Delete(tempFilePath);
}
break;
}
}
public byte[] Get(string path, DateTime remoteLastModified)
{
if (_cacheType == BlobCacheType.None || _excludedPaths.Any(p => path.StartsWith(p, StringComparison.OrdinalIgnoreCase)))
{
return(GetFromRemote(path));
}
byte[] data = null;
switch (CacheType)
{
case BlobCacheType.Memory:
data = CacheHelper.Cache(cs => GetFromRemote(cs, path), new CacheSettings(AccountInfo.Instance.BlobCacheMinutes, BlobCacheHelper.GetCacheKey(path)));
break;
case BlobCacheType.FileSystem:
data = TryGetFromFileSystemCache(path, remoteLastModified);
if (data == null)
{
data = GetFromRemote(path);
AddToCache(path, data, DateTime.UtcNow);
}
break;
}
return(data);
}