/// <summary>
/// 从工厂中删除最近使用最少的客户端
/// </summary>
public void RemoveFirst()
{
var first = LRUList.First;
lock (_locker)
{
YfyClients.Remove(first.Value.Key);
LRUList.RemoveFirst();
}
}
/// <summary>
/// 增加一个客户端
/// </summary>
/// <param name="T">客户端索引类型</param>
/// <param name="client">待增加的客户端</param>
public void AddClient(Tkey T, YfyClient client)
{
var items = new LRUItems <Tkey, YfyClient>(T, client);
var node = new LinkedListNode <LRUItems <Tkey, YfyClient> >(items);
lock (_locker)
{
if (LRUList.Count >= MaxCapacity)
{
this.RemoveFirst();
}
LRUList.AddLast(node);
YfyClients.Add(T, node);
}
}
/// <summary>
/// 根据给出的key，尝试得到相应的客户端
/// </summary>
/// <param name="T">客户端索引类型</param>
/// <param name="client">得到的客户端</param>
/// <returns>是否成功</returns>
public bool TryGetClient(Tkey T, out YfyClient client)
{
LinkedListNode <LRUItems <Tkey, YfyClient> > node;
var result = YfyClients.TryGetValue(T, out node);
if (result)
{
lock (_locker)
{
//LRU cache
LRUList.Remove(node);
LRUList.AddLast(node);
}
client = node.Value.Value;
}
else
{
client = null;
}
return(result);
}
