public object Invoke(IMethodInvocation invocation)
{
IKnight knight = invocation.Target as IKnight; // 取得骑士
this.Minstrel.singBefore(knight); // 前置通知
object result = invocation.Proceed();
this.Minstrel.singAfter(knight); // 后置通知
return(result);
}
protected void Page_Load(object sender, EventArgs e)
{
IApplicationContext context = new XmlApplicationContext("~/objects.xml");
IKnight knight = context.GetObject("knight") as IKnight;
knight.embarkOnQuest();
Thread.Sleep(10);
// 创建代理工厂
ProxyFactory pf = new ProxyFactory(knight);
// 创建代理对象
IKnight ic = pf.GetProxy() as IKnight;
Response.Write(ic.GetType());
Response.Write("<br/>");
Response.Write(ic.Name);
ic.embarkOnQuest();
}
public string singAfter(IKnight knight)
{
return("Tee-hee-he; Sir " + knight.Name + " did embark on a quest!");
}
public string singBefore(IKnight knight)
{
return("Fa la la; Sir " + knight.Name + " is so brave!");
}
public KnightAdapter(IKnight knight)
{
Knight = knight;
}
public Knight(IKnight other) :
base(other)
{
}
public Knight(IKnight other) :
base(other)
{
SpriteImageFilePath = DefaultSpriteImageFiles[this.Color];
}
public KnightInTraining()
{
// in this example our proxy creates and wraps a subject
// but a reference to a subject could also be passed in
_subject = new Knight();
}
