CronQueueTestException.php

<?php

declare (strict_types=1);
namespace Drupal\cron_queue_test\Plugin\QueueWorker;

use Drupal\Core\Queue\Attribute\QueueWorker;
use Drupal\Core\Queue\QueueWorkerBase;
use Drupal\Core\StringTranslation\TranslatableMarkup;

/**
 * A queue worker for testing exceptions.
 */
class CronQueueTestException extends QueueWorkerBase {
    
    /**
     * The plugin ID.
     */
    public const PLUGIN_ID = 'cron_queue_test_exception';
    
    /**
     * {@inheritdoc}
     */
    public function processItem($data) {
        $state = \Drupal::state();
        if (!$state->get('cron_queue_test_exception')) {
            $state->set('cron_queue_test_exception', 1);
            throw new \Exception('That is not supposed to happen.');
        }
        else {
            $state->set('cron_queue_test_exception', 2);
        }
    }

}