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<?php |
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declare(strict_types=1); |
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/** |
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* @author : Korotkov Danila <[email protected]> |
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* @copyright Copyright (c) 2017, Korotkov Danila |
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* @license http://www.gnu.org/licenses/gpl.html GNU GPLv3.0 |
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*/ |
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namespace Behavioral\Observer; |
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/** |
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* Class FootballSubject |
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* |
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* @package Behavioral\Observer |
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*/ |
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class FootballSubject implements SubjectInterface |
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{ |
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/** |
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* @var array |
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*/ |
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protected $observers = []; |
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/** |
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* @var string |
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*/ |
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protected $subjectName; |
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/** |
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* FootballSubject constructor. |
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* |
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* @param string $subjectName |
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*/ |
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public function __construct(string $subjectName) |
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{ |
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$this->subjectName = $subjectName; |
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} |
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/** |
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* @param ObserverInterface $observer |
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*/ |
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public function attachObserver(ObserverInterface $observer): void |
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{ |
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$this->observers[$observer->getObserverName()] = $observer; |
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} |
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/** |
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* @param string $observerName |
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*/ |
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public function detachObserver(string $observerName): void |
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{ |
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if (array_key_exists($observerName, $this->observers)) { |
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unset($this->observers[$observerName]); |
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} |
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} |
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/** |
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* @param EventInterface $event |
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*/ |
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public function notify(EventInterface $event): void |
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{ |
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foreach ($this->observers as $observer) { |
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printf("%s has get information about: %s %s \n", |
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$observer->getObserverName(), $this->getSubjectName(), $event->getEventName()); |
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} |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getSubjectName(): string |
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{ |
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return $this->subjectName; |
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} |
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} |
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Jagepard /
PhpDesignPatterns-Observer
