private T GetFreeResource(out long messageId)
{
lock (key1)
{
foreach (long key in messages.Keys)
{
if (!messages[key].InUse)
{
messages[key].InUse = true;
messageId = key;
return(messages[key].Resource);
}
}
//申请新资源
T message = IResourceObject.Request();
//申请资源失败
if (message == null)
{
messageId = GetNullResourceId();
return(null);
}
else
{
ResourceWatcher <T> tag = new ResourceWatcher <T>(message, true);
long id = NewResourceId();
messages.Add(id, tag);
messageId = id;
return(message);
}
}
}
