Yiisoft\EventDispatcher\Dispatcher\Dispatcher

Complexity

Total Complexity

6

Size/Duplication

Total Lines	25
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	3	1
A	handle()	0	3	1
A	dispatch()	0	11	4

<?php

namespace Yiisoft\EventDispatcher\Dispatcher;

use Psr\EventDispatcher\EventDispatcherInterface;
use Psr\EventDispatcher\ListenerProviderInterface;
use Psr\EventDispatcher\StoppableEventInterface;

/**
 * Dispatcher executes listeners attached to event passed
 * @see https://www.php-fig.org/psr/psr-14/
 */
final class Dispatcher implements EventDispatcherInterface
{
    private ListenerProviderInterface $listenerProvider;

    public function __construct(ListenerProviderInterface $listenerProvider)
    {
        $this->listenerProvider = $listenerProvider;
    }

    public function dispatch(object $event): object
    {
        foreach ($this->listenerProvider->getListenersForEvent($event) as $listener) {
            if ($event instanceof StoppableEventInterface && $event->isPropagationStopped()) {
                return $event;
            }

            $this->handle($event, $listener);
        }

        return $event;
    }

    private function handle(object $event, callable $listener)
    {
        $listener($event);
    }
}