public override void Request()
{
if (_realSubject == null)
{
_realSubject = new RealSubject();
}
_realSubject.Request();
}
// 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();
}
}
public Proxy(RealSubject realSubject)
{
this._realSubject = realSubject;
}