public function DatabaseStorageController::delete

Implements Drupal\Core\Entity\EntityStorageControllerInterface::delete().

Overrides EntityStorageControllerInterface::delete

File

drupal/core/lib/Drupal/Core/Entity/DatabaseStorageController.php, line 446

Definition of Drupal\Core\Entity\DatabaseStorageController.

Class

DatabaseStorageController

Defines a base entity controller class.

Namespace

Code

public function delete(array $entities) {
  if (!$entities) {

    // If no IDs or invalid IDs were passed, do nothing.
    return;
  }
  $transaction = db_transaction();
  try {
    $this
      ->preDelete($entities);
    foreach ($entities as $id => $entity) {
      $this
        ->invokeHook('predelete', $entity);
    }
    $ids = array_keys($entities);
    db_delete($this->entityInfo['base_table'])
      ->condition($this->idKey, $ids, 'IN')
      ->execute();
    if ($this->revisionKey) {
      db_delete($this->revisionTable)
        ->condition($this->idKey, $ids, 'IN')
        ->execute();
    }

    // Reset the cache as soon as the changes have been applied.
    $this
      ->resetCache($ids);
    $this
      ->postDelete($entities);
    foreach ($entities as $id => $entity) {
      $this
        ->invokeHook('delete', $entity);
    }

    // Ignore slave server temporarily.
    db_ignore_slave();
  } catch (Exception $e) {
    $transaction
      ->rollback();
    watchdog_exception($this->entityType, $e);
    throw new EntityStorageException($e->getMessage, $e->getCode, $e);
  }
}