public T GetItem(object key)
{
if (_Items == null)
{
InitItemTable();
}
CacheObjectItem <T> obj = null;
if (_Items.ContainsKey(key))
{
try
{
obj = (CacheObjectItem <T>)_Items[key];
if (!obj.IsExpired)
{
// 如果每次自动刷新时间
if (AutoRefreshWhenRead)
{
obj.Refresh();
}
return(obj.GetValue());
}
// item已过期，删除
lock (_Items.SyncRoot)
{
_Items.Remove(key);
}
}
catch { }
}
return(default(T));
}
public void SetItem(object key, T obj)
{
if (key == null || obj == null)
{
return;
}
if (_Items == null)
{
InitItemTable();
}
CacheObjectItem <T> objItem = CacheObjectItem <T> .GetObjectItem(obj, _ExpireSeconds);
objItem.Refresh();
_Items[key] = objItem;
}
public List <T> GetAllItems()
{
if (_Items == null)
{
InitItemTable();
}
List <T> result = null;
if (_Items.Count < 1)
{
return(result);
}
try
{
lock (_Items.SyncRoot)
{
if (_Items.Count < 1)
{
return(result);
}
result = new List <T>(_Items.Count);
CacheObjectItem <T> cacheItem = null;
foreach (DictionaryEntry item in _Items)
{
cacheItem = (CacheObjectItem <T>)item.Value;
result.Add(cacheItem.GetValue());
}
}
}
catch { }
finally { }
return(result);
}