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<?php |
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namespace Stu\Component\Event; |
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use Exception; |
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use Stu\Component\Concurrency\EntityLockManagerInterface; |
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use Stu\Component\Event\Strategy\EventStrategyFactoryInterface; |
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use Stu\Module\Logging\LoggerTypeEnum; |
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use Stu\Module\Logging\LoggerUtilFactoryInterface; |
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use Stu\Module\Logging\RotatingLoggerInterface; |
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use Stu\Orm\Entity\EventInterface; |
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use Stu\Orm\Repository\EventRepositoryInterface; |
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use Stu\Orm\Transaction\EntityManagerTypeEnum; |
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use Stu\Orm\Transaction\SwitchableEntityManagerInterface; |
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class EventScheduler implements EventSchedulerInterface |
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{ |
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private RotatingLoggerInterface $logger; |
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public function __construct( |
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private EventRepositoryInterface $eventRepository, |
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private EventQueueInterface $eventQueue, |
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private EntityLockManagerInterface $entityLockManager, |
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private EventProcessorInterface $eventProcessor, |
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private SwitchableEntityManagerInterface $switchableEntityManager, |
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private EventStrategyFactoryInterface $eventStrategyFactory, |
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LoggerUtilFactoryInterface $loggerUtilFactory |
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) { |
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$this->logger = $loggerUtilFactory->getRotatingLogger(LoggerTypeEnum::EVENT_AND_ENTITY_LOCK); |
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} |
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public function processEvents(bool $doInfiniteLoops = false): void |
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{ |
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do { |
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$this->switchableEntityManager->switchType(EntityManagerTypeEnum::EVENT_SCHEDULER); |
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$queueSize = $this->eventQueue->getSize(); |
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if ($queueSize > 0) { |
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$this->logger->log('start event scheduling'); |
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$this->logger->logf(' queue size: %d', $queueSize); |
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} else { |
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continue; |
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} |
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while ($this->eventQueue->getSize() > 0) { |
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$event = $this->eventQueue->getNextEvent(); |
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$this->logger->logf(' now %s', $event->toShortString()); |
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$this->scheduleEvent($event); |
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} |
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$this->switchableEntityManager->flush(); |
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sleep(1); |
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} while ($doInfiniteLoops); |
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} |
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private function scheduleEvent(EventInterface $event): void |
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{ |
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try { |
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$eventStrategy = $this->eventStrategyFactory->createEventStrategy($event->getType()); |
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if ($this->entityLockManager->lockEntities($eventStrategy->getEntitiesToLock($event))) { |
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$this->logger->log(' processing...'); |
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$this->eventProcessor->processEvent($event, $eventStrategy); |
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$event->setState(EventStateEnum::DONE); |
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$this->logger->log(' done.'); |
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} else { |
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$this->logger->log(' could not lock entities, postponed'); |
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$event->increaseRetries(); |
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} |
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} catch (Exception $e) { |
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$event->setState(EventStateEnum::ERROR); |
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$this->eventQueue->clear(); |
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$this->logger->logf(' event caused exception: %s', $e->getMessage()); |
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} |
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$this->eventRepository->save($event); |
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$this->eventQueue->removeEvent($event); |
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} |
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} |
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st-universe /
core
