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<?php |
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namespace Gendoria\CommandQueueBundle\Worker; |
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use Exception; |
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use Gendoria\CommandQueue\Command\CommandInterface; |
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use Gendoria\CommandQueue\CommandProcessor\CommandProcessorInterface; |
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use Gendoria\CommandQueue\ProcessorFactoryInterface; |
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use Gendoria\CommandQueue\Worker\BaseWorker; |
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use Gendoria\CommandQueueBundle\Event\QueueEvents; |
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use Gendoria\CommandQueueBundle\Event\QueueWorkerRunEvent; |
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use Monolog\Handler\FingersCrossedHandler; |
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use Monolog\Logger; |
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use Psr\Log\LoggerInterface; |
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use Symfony\Component\EventDispatcher\EventDispatcherInterface; |
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/** |
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* Base for Symfony based queue workers. |
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* |
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* This class takes care of correctly handling long-running process logs, |
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* as well as sending some events on Symfony event bus. |
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* |
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* @author Tomasz Struczyński <[email protected]> |
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*/ |
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abstract class BaseSymfonyWorker extends BaseWorker |
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{ |
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/** |
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* Symfony event dispatcher. |
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* |
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* @var EventDispatcherInterface |
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*/ |
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private $eventDispatcher; |
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public function __construct(ProcessorFactoryInterface $processorFactory, EventDispatcherInterface $eventDispatcher, LoggerInterface $logger = null) |
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{ |
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parent::__construct($processorFactory, $logger); |
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$this->eventDispatcher = $eventDispatcher; |
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} |
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/** |
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* Get subsystem name. |
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* |
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* This name may be used further to identify worker subsystem in logs or events. |
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* |
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* @return string |
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*/ |
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abstract public function getSubsystemName(); |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function beforeTranslateHook(&$commandData) |
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{ |
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parent::beforeTranslateHook($commandData); |
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$this->eventDispatcher->dispatch(QueueEvents::WORKER_RUN_BEFORE_TRANSLATE, new QueueWorkerRunEvent($this, $this->getSubsystemName())); |
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$this->clearLogs(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function afterProcessHook(CommandInterface $command, CommandProcessorInterface $processor) |
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{ |
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parent::afterProcessHook($command, $processor); |
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$this->eventDispatcher->dispatch(QueueEvents::WORKER_RUN_AFTER_PROCESS, new QueueWorkerRunEvent($this, $this->getSubsystemName())); |
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$this->clearLogs(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function processorErrorHook(CommandInterface $command, CommandProcessorInterface $processor, Exception $e) |
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{ |
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parent::processorErrorHook($command, $processor, $e); |
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$this->eventDispatcher->dispatch(QueueEvents::WORKER_RUN_PROCESSOR_ERROR, new QueueWorkerRunEvent($this, $this->getSubsystemName())); |
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} |
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/** |
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* Clear logs. |
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* |
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* @return void |
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*/ |
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private function clearLogs() |
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{ |
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if (!$this->logger instanceof Logger) { |
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return; |
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} |
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/* @var $logger Logger */ |
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$logger = $this->logger; |
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foreach ($logger->getHandlers() as $handler) { |
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if ($handler instanceof FingersCrossedHandler) { |
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$handler->clear(); |
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} |
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} |
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} |
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} |
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Gendoria /
command-queue-bundle
