MenuRouterRebuildSubscriber::menuLinksRebuild

protected MenuRouterRebuildSubscriber::menuLinksRebuild()

Perform menu-specific rebuilding.

File

core/lib/Drupal/Core/EventSubscriber/MenuRouterRebuildSubscriber.php, line 56

Class

MenuRouterRebuildSubscriber: Rebuilds the default menu links and runs menu-specific code if necessary.

Namespace

Drupal\Core\EventSubscriber

Code

protected function menuLinksRebuild() {
  if ($this->lock->acquire(__FUNCTION__)) {
    $transaction = db_transaction();
    try {
      // Ensure the menu links are up to date.
      $this->menuLinkManager->rebuild();
      // Ignore any database replicas temporarily.
      db_ignore_replica();
    }
    catch (\Exception $e) {
      $transaction->rollback();
      watchdog_exception('menu', $e);
    }
 
    $this->lock->release(__FUNCTION__);
  }
  else {
    // Wait for another request that is already doing this work.
    // We choose to block here since otherwise the router item may not
    // be available during routing resulting in a 404.
    $this->lock->wait(__FUNCTION__);
  }
}

Links:

https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21EventSubscriber%21MenuRouterRebuildSubscriber.php/function/MenuRouterRebuildSubscriber%3A%3AmenuLinksRebuild/8.2.x

doc_Drupal

2025-01-10 15:47:30

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