CronQueueTestRequeueException.php

<?php

namespace Drupal\cron_queue_test\Plugin\QueueWorker;

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

/**
 * A queue worker for testing re-queueing items.
 */
class CronQueueTestRequeueException extends QueueWorkerBase {
  
  /**
   * The plugin ID.
   */
  public const PLUGIN_ID = 'cron_queue_test_requeue_exception';
  
  /**
   * {@inheritdoc}
   */
  public function processItem($data) {
    $state = \Drupal::state();
    if (!$state->get('cron_queue_test_requeue_exception')) {
      $state->set('cron_queue_test_requeue_exception', 1);
      throw new RequeueException('I am not done yet!');
    }
    else {
      $state->set('cron_queue_test_requeue_exception', 2);
    }
  }

}