Passed
Pull Request — master (#16)
by Alexander
10:48
created

Dispatcher::dispatch()   A

Complexity

Conditions 4
Paths 3

Size

Total Lines 10
Code Lines 5

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 4
eloc 5
c 0
b 0
f 0
nc 3
nop 1
dl 0
loc 10
rs 10
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<?php
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namespace Yiisoft\EventDispatcher\Dispatcher;
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use Psr\EventDispatcher\EventDispatcherInterface;
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use Psr\EventDispatcher\ListenerProviderInterface;
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use Psr\EventDispatcher\StoppableEventInterface;
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/**
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 * Dispatcher executes listeners attached to event passed
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 * @see https://www.php-fig.org/psr/psr-14/
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 */
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final class Dispatcher implements EventDispatcherInterface
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{
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    private ListenerProviderInterface $listenerProvider;
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    public function __construct(ListenerProviderInterface $listenerProvider)
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    {
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        $this->listenerProvider = $listenerProvider;
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    }
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    public function dispatch(object $event): object
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    {
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        foreach ($this->listenerProvider->getListenersForEvent($event) as $listener) {
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            if ($event instanceof StoppableEventInterface && $event->isPropagationStopped()) {
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                return $event;
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            }
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            $listener($event);
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        }
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        return $event;
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    }
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}
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