private static byte[] GetThumbnailCache(Guid SiteId, Guid HashId)
{
if (ThumbnailCache.ContainsKey(SiteId))
{
var list = ThumbnailCache[SiteId];
if (list.ContainsKey(HashId))
{
return(list[HashId]);
}
}
return(null);
}
private static void SetThumbnailCache(Guid SiteId, Guid HashId, byte[] thumbnail)
{
lock (_locker)
{
Dictionary <Guid, byte[]> sitecache;
if (ThumbnailCache.ContainsKey(SiteId))
{
sitecache = ThumbnailCache[SiteId];
sitecache[HashId] = thumbnail;
}
else
{
sitecache = new Dictionary <Guid, byte[]>();
ThumbnailCache[SiteId] = sitecache;
sitecache[HashId] = thumbnail;
}
}
}