/// <summary>
/// Lấy thời gian cập nhật cache lần cuối
/// </summary>
/// <param name="parentCatId"></param>
/// <param name="key"></param>
/// <returns>Nếu chưa có cache thì trả về DateTime.MinValue</returns>
public static DateTime GetLastUpdateCache(int parentCatId, string key)
{
if (IsAllowDistributedCached)
{
string lastUpdateKey = string.Format(Constants.CACHE_NAME_LAST_UPDATE, key);
try
{
object lastUpdate = DistCached.GetInstance(parentCatId).Get(lastUpdateKey);
if (null != lastUpdate)
{
return(Convert.ToDateTime(lastUpdate));
}
else
{
return(DateTime.MinValue);
}
}
catch
{
return(DateTime.MinValue);
}
}
else
{
return(DateTime.MinValue);
}
}
public static void RemoveAll()
{
if (IsAllowDistributedCached)
{
DistCached.GetInstance(ParentCategoryId).RemoveAll();
}
}
public static void RemoveAll(int parentCatId)
{
if (IsAllowDistributedCached)
{
DistCached.GetInstance(parentCatId).RemoveAll();
}
}
public static void Remove(string key)
{
if (IsAllowDistributedCached)
{
string lastUpdateKey = string.Format(Constants.CACHE_NAME_LAST_UPDATE, key);
DistCached.GetInstance(ParentCategoryId).Remove(key);
DistCached.GetInstance(ParentCategoryId).Remove(lastUpdateKey);
}
}
public static void Remove(int parentCatId, string key)
{
if (IsAllowDistributedCached)
{
string lastUpdateKey = string.Format(Constants.CACHE_NAME_LAST_UPDATE, key);
DistCached.GetInstance(parentCatId).Remove(key);
DistCached.GetInstance(parentCatId).Add(lastUpdateKey, DateTime.Now.ToString(), 864000 * 1000);
}
}
public static void Remove_MemCache(string key)
{
if (!AllowDistCache)
{
HttpRuntime.Cache.Remove(CreateKey(key));
return;
}
DistCached.GetInstance(PORT_CACHE).Remove(key);
}
public static bool Add_MemCache(string key, object value, int timeOutInMinutes)
{
if (!AllowDistCache)
{
HttpRuntime.Cache.Insert(CreateKey(key), value, null, DateTime.Now.AddDays(15), TimeSpan.Zero);
return(true);
}
return(DistCached.GetInstance(PORT_CACHE).Add(key, value, (long)1000 * 60 * timeOutInMinutes));
}
public static bool IsCacheExists(int parentCatId, string key)
{
if (IsAllowDistributedCached)
{
return(DistCached.GetInstance(parentCatId).Get(key) != null);
}
else
{
return(false);
}
}
public static object GetCache(int parentCatId, string key)
{
if (IsAllowDistributedCached)
{
//Lib.WriteLogToFile(DistCached.GetProvidersState());
DateTime start = DateTime.Now;
object data = DistCached.GetInstance(parentCatId).Get(key);
DateTime end = DateTime.Now;
Lib.WriteLogToFile(key + "(" + (end.Ticks - start.Ticks).ToString() + "): " + end.ToString("HH:mm:ss.FFFFFFF") + " " + start.ToString("HH:mm:ss.FFFFFFF"));
return(data);
}
else
{
return(null);
}
}
public static void Add(int parentCatId, string key, object value, long timeExpire)
{
if (IsAllowDistributedCached)
{
string lastUpdateKey = string.Format(Constants.CACHE_NAME_LAST_UPDATE, key);
if (timeExpire > 0)
{
DistCached.GetInstance(parentCatId).Add(key, value, timeExpire * 1000);
DistCached.GetInstance(parentCatId).Add(lastUpdateKey, DateTime.Now.ToString(), timeExpire * 1000);
}
else
{
DistCached.GetInstance(parentCatId).Add(key, value, _DefaultCacheExpire * 1000);
DistCached.GetInstance(parentCatId).Add(lastUpdateKey, DateTime.Now.ToString(), _DefaultCacheExpire * 1000);
}
}
}
public static string Get_MemCache(string key)
{
return(null);
try
{
if (!AllowDistCache)
{
return(HttpRuntime.Cache.Get(CreateKey(key)).ToString());
}
return(DistCached.GetInstance(PORT_CACHE).Get(key).ToString());
}
catch (Exception ex)
{
return(null);
}
}
public static T Get_MemCache <T>(string key)
{
return(default(T));
try
{
if (!AllowDistCache)
{
return((T)HttpRuntime.Cache.Get(CreateKey(key)));
}
return(DistCached.GetInstance(PORT_CACHE).Get <T>(key));
}
catch
{
return(default(T));
}
}
public static T Get <T>(int parentCatId, string key)
{
if (IsAllowDistributedCached)
{
if (IsCacheExists(parentCatId, key))
{
DateTime start = DateTime.Now;
T data = DistCached.GetInstance(parentCatId).Get <T>(key);
DateTime end = DateTime.Now;
Lib.WriteLogToFile(key + "(" + (end.Ticks - start.Ticks).ToString() + "): " + end.ToString("HH:mm:ss.FFFFFFF") + " " + start.ToString("HH:mm:ss.FFFFFFF"));
return(data);
}
else
{
return(default(T));
}
}
else
{
return(default(T));
}
}
public static void Reset_MemCache()
{
if (!AllowDistCache)
{
var keys = new List <string>();
// retrieve application Cache enumerator
var cache = HttpRuntime.Cache;
var enumerator = cache.GetEnumerator();
// copy all keys that currently exist in Cache
while (enumerator.MoveNext())
{
keys.Add(enumerator.Key.ToString());
}
// delete every key from cache
foreach (var t in keys)
{
cache.Remove(t);
}
}
DistCached.GetInstance(PORT_CACHE).RemoveAll();
}