/// <summary>
/// Cập nhật Cache Hashtable cho các bảng dữ liệu danh mục
/// </summary>
/// <param name="obj"></param>
/// <param name="actionLoad"></param>
public void LoadCacheHastable(CacheHashtable obj, Func <Hashtable> actionLoad)
{
try
{
// Check cache version (cacheVersion = 0: Refresh Cache)
long cacheVersion = this.GetCacheValue(obj.KeyVersion, (long)0);
if (obj.CacheVersion < cacheVersion || cacheVersion == 0)
{
Hashtable h = null;
if (cacheVersion != 0)
{
h = h.GetCache(obj.Key); // load hashtable from cache
}
if (h == null)
{
// load from db
h = actionLoad();
cacheVersion = DateTime.Now.Ticks;
h.MemoryCache(obj.Key, CacheExpiration.OneMonth);
cacheVersion.MemoryCache(obj.KeyVersion, CacheExpiration.OneMonth);
}
obj.CacheVersion = cacheVersion;
System.Threading.Interlocked.Exchange(ref obj.CacheClient, Hashtable.Synchronized(h));
}
}
catch (Exception ex)
{
throw ex;
}
}
