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<?php |
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/** |
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* GpsLab component. |
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* |
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* @author Peter Gribanov <[email protected]> |
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* @copyright Copyright (c) 2011, Peter Gribanov |
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* @license http://opensource.org/licenses/MIT |
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*/ |
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namespace GpsLab\Bundle\DomainEvent\Event\Listener; |
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use Doctrine\Common\EventSubscriber; |
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use Doctrine\ORM\Event\OnFlushEventArgs; |
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use Doctrine\ORM\Event\PostFlushEventArgs; |
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use Doctrine\ORM\Events; |
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use GpsLab\Bundle\DomainEvent\Service\EventPuller; |
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use GpsLab\Domain\Event\Bus\EventBus; |
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use GpsLab\Domain\Event\Event; |
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class DomainEventPublisher implements EventSubscriber |
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{ |
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/** |
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* @var EventPuller |
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*/ |
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private $puller; |
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/** |
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* @var EventBus |
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*/ |
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private $bus; |
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/** |
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* @var bool |
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*/ |
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private $enable; |
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/** |
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* @var Event[] |
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*/ |
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private $events = []; |
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/** |
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* @param EventPuller $puller |
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* @param EventBus $bus |
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* @param bool $enable |
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*/ |
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public function __construct(EventPuller $puller, EventBus $bus, $enable) |
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{ |
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$this->bus = $bus; |
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$this->puller = $puller; |
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$this->enable = $enable; |
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} |
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/** |
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* @return array |
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*/ |
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public function getSubscribedEvents() |
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{ |
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if (!$this->enable) { |
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return []; |
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} |
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return [ |
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Events::onFlush, |
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Events::postFlush, |
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]; |
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} |
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/** |
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* @param OnFlushEventArgs $args |
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*/ |
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public function onFlush(OnFlushEventArgs $args) |
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{ |
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// aggregate events from deleted entities |
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$this->events = $this->puller->pull($args->getEntityManager()); |
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} |
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/** |
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* @param PostFlushEventArgs $args |
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*/ |
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public function postFlush(PostFlushEventArgs $args) |
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{ |
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// aggregate PreRemove/PostRemove events |
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$events = array_merge($this->events, $this->puller->pull($args->getEntityManager())); |
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// clear aggregate events before publish it |
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// it necessary for fix recursive publish of events |
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$this->events = []; |
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// flush only if has domain events |
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// it necessary for fix recursive handle flush |
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if ($events) { |
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foreach ($events as $event) { |
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$this->bus->publish($event); |
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} |
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$args->getEntityManager()->flush(); |
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} |
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} |
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} |
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gpslab /
domain-event-bundle
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.