static void Main(string[] args)
{
var image1 = new ProxyImage("1.txt");
image1.Display();
Console.ReadKey();
}
static void Main(string[] args)
{
IImage image = new ProxyImage("Some image");
image.Display();//download is commited only once
image.Display();
Console.ReadKey();
}
static void Main(string[] args)
{
IImage image = new ProxyImage("test_10mb.jpg");
//图像将从磁盘加载
image.Display();
Console.ReadKey();
}
static void Main(string[] args)
{
Image img = new ProxyImage("hakan.jpg");
img.Display();
//Not Loaded
img.Display();
Console.ReadLine();
}
public static void Main(string[] args)
{
IImage image = new ProxyImage("HiRes_Image");
for (int i = 0; i < 10; i++)
{
image.Display();
}
}
public static void Demo()
{
IImage i = new ProxyImage("test.jpg");
//image will be loaded from disk
i.Display();
//image will not be loaded from disk
i.Display();
Console.ReadLine();
}
static void Main(string[] args)
{
Image image1 = new ProxyImage("HiRes_10MB_Photo1;");
Image image2 = new ProxyImage("HiRes_10MB_Photo2;");
image1.DisplayImage();
image2.DisplayImage();
Console.ReadKey();
}
static void Main(string[] args) {
IImage image1 = new ProxyImage("HiRes_10MB_Photo1");
IImage image2 = new ProxyImage("HiRes_10MB_Photo2");
image1.DisplayImage();
image1.DisplayImage();
image2.DisplayImage();
image2.DisplayImage();
Console.ReadKey();
}
/*
* - INTENÇÃO: fornece um substituto (surrogate) ou marcador da localização de outro objeto
* para controlar o acesso ao mesmo.
* - Um objeto representando um outro objeto.
*/
static void Main(string[] args)
{
Image image1 = new ProxyImage("HiRes_10MB_Photo1");
Image image2 = new ProxyImage("HiRes_10MB_Photo2");
image1.displayImage();
image2.displayImage();
image1.displayImage();
}
static void Main(string[] args)
{
IImage image = new ProxyImage("UltraHD_pic.jpg");
// Use factory instead of direct instantiations. Client typicaly don't
// knows or cares that it's using proxy instead of the concrete subject
// Image will be loaded to memory and shown .
image.Display();
// Image is already loaded! Show image directly from memory.
image.Display();
}
static void Main(string[] args)
{
Console.WriteLine("Loading 3 hi-res (proxy) images");
ProxyImage image1 = new ProxyImage("jotain");
ProxyImage image2 = new ProxyImage("jotain");
ProxyImage image3 = new ProxyImage("jotain");
Console.WriteLine("Calling show to image1");
image1.ShowImage();
Console.ReadLine();
}
public static void Main(string[] args)
{
IImage image1 = new ProxyImage("HiRes_10MB_Photo1");
IImage image2 = new ProxyImage("HiRes_20MB_Photo2");
// выполняется загрузка
image1.Display();
// загрузка не выполняется
image1.Display();
// выполняется загрузка
image2.Display();
// загрузка не выполняется
image2.Display();
// загрузка не выполняется
image1.Display();
Console.ReadLine();
}
static void Main(string[] args)
{
//=======================================
ProxyImage proxyImage = new ProxyImage("http://abc.com/a.png");
Console.WriteLine("Call real service 1st: ");
proxyImage.ShowImage();
Console.WriteLine("Call real service 2nd: ");
proxyImage.ShowImage();
//=======================================
/*UserProxy user1 = new UserProxy("user1", "admin");
* Console.WriteLine(user1.ReadFile());
*
* UserProxy user2 = new UserProxy("user2", "member");
* Console.WriteLine(user2.ReadFile());*/
}
static void Main(string[] args)
{
IImage Image1 = new ProxyImage("Tiger Image");
Console.WriteLine("Image1 calling DisplayImage first time :");
Image1.DisplayImage(); // loading necessary
Console.WriteLine("Image1 calling DisplayImage second time :");
Image1.DisplayImage(); // loading unnecessary
Console.WriteLine("Image1 calling DisplayImage third time :");
Image1.DisplayImage(); // loading unnecessary
Console.WriteLine();
IImage Image2 = new ProxyImage("Lion Image");
Console.WriteLine("Image2 calling DisplayImage first time :");
Image2.DisplayImage(); // loading necessary
Console.WriteLine("Image2 calling DisplayImage second time :");
Image2.DisplayImage(); // loading unnecessary
Console.ReadKey();
}
static void Main(string[] args)
{
// canonical
var subject = new RealSubject();
subject.Request();
var proxy = new Proxy.Canonical.Proxy();
proxy.Request();
// live
Console.WriteLine();
var image = new ProxyImage("C://temp.jpq");
// will be loaded lazyly
image.Display();
// wont be loaded 2nd time
image.Display();
}
