/// <summary>
/// 初始化新建一个 <see cref="KeyMessageNotification{T}"/> 类的实例对象。
/// </summary>
/// <param name="router">设置当前正在使用的消息路由实例对象。</param>
public KeyMessageNotification(IMessageRouter router)
{
Identity = Guid.NewGuid();
Router = router;
Router.Register <ObjectExtendible <T> >(p =>
{
var obj = p.GetObject <ObjectExtendible <T> >();
if (obj.GetChange() == ObjectChangeType.Update.ToString())
{
SetValue(obj.GetParameter <T>());
}
else
{
SetValue(null);
}
Notify();
}, Identity, filter: p => string.Equals(p.Tag.GetValueX("Key", string.Empty), Key));
}
