Files
DesignPatternsPHP/Mediator/Colleague.php
2013-05-12 14:25:17 +02:00

31 lines
578 B
PHP

<?php
/*
* DesignPatternPHP
*/
namespace DesignPatterns\Mediator;
/**
* Colleague is an abstract colleague who works together but he only knows
* the Mediator, not other colleague.
*/
abstract class Colleague
{
// this ensures no change in subclasses
private $mediator;
// for subclasses
protected function getMediator()
{
return $this->mediator;
}
public function __construct(MediatorInterface $medium)
{
// in this way, we are sure the concrete colleague knows the mediator
$this->mediator = $medium;
}
}