/// <summary>
/// 添加到缓存
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
/// <param name="aliveSeconds">存活时间（秒）</param>
public static void Set(string key, object value, int aliveSeconds)
{
if (!Enable)
{
return;
}
if (aliveSeconds == 0)
{
return;
}
if (aliveSeconds < 0)
{
throw new Exception("aliveSeconds should great than zero");
}
CacheLabel cacheLabel;
if (dictonary.TryGetValue(key, out cacheLabel))
{
cacheLabel.Value = value;
}
else
{
cacheLabel = new CacheLabel(value);
lock (dicChangeLock)
{
if (!dictonary.ContainsKey(key))
{
dictonary.Add(key, cacheLabel);
}
}
}
cacheLabel.AliveSeconds = aliveSeconds;
}
static Cache()
{
timerForSetFade = new Timer(p =>
{
lock (dicChangeLock)
{
DateTime now = DateTime.Now;
foreach (var value in dictonary.Values)
{
var time = now - value.LastGetTime;
if (time.TotalSeconds > value.AliveSeconds)
{
value.Faded = true;
}
}
}
}, null, 0, 1000 * 5);
timerForRemoveCacheElement =
new Timer(p =>
{
lock (dicChangeLock)
{
var toRemove = new List <string>();
var enumerator = dictonary.GetEnumerator();
while (enumerator.MoveNext())
{
if (enumerator.Current.Value.Faded)
{
toRemove.Add(enumerator.Current.Key);
}
}
CacheLabel label = enumerator.Current.Value;
toRemove.ForEach(key => dictonary.Remove(key));
}
}, null, 0, 1000 * 60);
}
