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<?php |
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declare(strict_types = 1); |
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namespace Innmind\EventBusBundle; |
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use Innmind\EventBusBundle\Exception\InvalidArgumentException; |
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use Innmind\EventBus\{ |
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EventBusInterface, |
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EventBus, |
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Exception\InvalidArgumentException as InvalidEventException |
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}; |
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use Innmind\Immutable\{ |
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Map, |
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MapInterface, |
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SetInterface, |
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Set |
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}; |
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use Symfony\Component\DependencyInjection\ContainerInterface; |
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final class ContainerAwareEventBus implements EventBusInterface |
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{ |
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private $container; |
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private $listeners; |
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private $bus; |
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public function __construct( |
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ContainerInterface $container, |
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MapInterface $listeners |
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) { |
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if ( |
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(string) $listeners->keyType() !== 'string' || |
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(string) $listeners->valueType() !== SetInterface::class |
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) { |
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throw new InvalidArgumentException; |
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} |
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$listeners->foreach(function(string $class, SetInterface $listeners) { |
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if ((string) $listeners->type() !== 'string') { |
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throw new InvalidArgumentException; |
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} |
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}); |
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$this->container = $container; |
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$this->listeners = $listeners; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function dispatch($event): EventBusInterface |
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{ |
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if (!is_object($event)) { |
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throw new InvalidEventException; |
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} |
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if (!$this->bus instanceof EventBusInterface) { |
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$this->initialize(); |
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} |
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$this->bus->dispatch($event); |
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return $this; |
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} |
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private function initialize() |
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{ |
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$listeners = $this |
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->listeners |
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->reduce( |
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new Map('string', SetInterface::class), |
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function(Map $carry, string $class, SetInterface $services): Map { |
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return $carry->put( |
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$class, |
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$services->reduce( |
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new Set('callable'), |
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function(Set $carry, string $service): Set { |
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return $carry->add( |
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$this->container->get($service) |
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); |
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} |
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) |
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); |
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} |
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); |
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$this->bus = new EventBus($listeners); |
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} |
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} |
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Innmind /
EventBusBundle
