Proxy pattern: Difference between revisions

Revision as of 16:13, 7 September 2019

Revision as of 14:28, 25 November 2019

Line 66:

=== PHP ===

<source lang=PHP"php">

<?php

Line 76:

class RealImage implements Image {

private string $filename = null;

/**

* Constructor

* @param $filename

*/

public function __construct(string $filename) {

$this->filename = $filename;

$this->loadImageFromDisk();

Line 105:

class ProxyImage implements Image {

private Image $image = null;

private string $filename = null;

/**

* Constructor

* @param $filename

*/

public function __construct(string $filename) {

$this->filename = $filename;

}

Line 131:

$image2 = new ProxyImage("HiRes_10MB_Photo2");

$image1->displayImage(); // loadingLoading necessary

$image1->displayImage(); // loadingLoading unnecessary

$image2->displayImage(); // loadingLoading necessary

$image2->displayImage(); // loadingLoading unnecessary

$image1->displayImage(); // loadingLoading unnecessary

</source>

Line 145:

Displaying HiRes_10MB_Photo2

Displaying HiRes_10MB_Photo2

Displaying HiRes_10MB_Photo1

=== C# ===