// The most common applications of the Proxy pattern are lazy loading,
// caching, controlling the access, logging, etc. A Proxy can perform
// one of these things and then, depending on the result, pass the
// execution to the same method in a linked RealSubject object.
public void Request()
{
if (this.CheckAccess())
{
this._realSubject = new RealSubject();
this._realSubject.Request();
this.LogAccess();
}
}
static void Run()
{
Client client = new Client();
Console.WriteLine("Client: Executing the client code with a real subject:");
RealSubject realSubject = new RealSubject();
client.ClientCode(realSubject);
Console.WriteLine();
Console.WriteLine("Client: Executing the same client code with a proxy:");
Proxy proxy = new Proxy(realSubject);
client.ClientCode(proxy);
}
public Proxy(RealSubject realSubject)
{
this._realSubject = realSubject;
}