class TransactionService in Transaction 8

Transaction service.

Hierarchy

• class \Drupal\transaction\TransactionService implements TransactionServiceInterface

1 string reference to 'TransactionService'

transaction.services.yml in ./transaction.services.yml

transaction.services.yml

1 service uses TransactionService

transaction in ./transaction.services.yml

Drupal\transaction\TransactionService

File

src/TransactionService.php, line 10

Namespace

Drupal\transaction

class TransactionService implements TransactionServiceInterface {

  /**
   * The entity type manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * Constructor.
   *
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager.
   */
  public function __construct(EntityTypeManagerInterface $entity_type_manager) {
    $this->entityTypeManager = $entity_type_manager;
  }

  /**
   * {@inheritdoc}
   */
  public function getLastExecutedTransaction($target_entity, $transaction_type) {

    // Argument processing.
    $target_entity_id = is_object($target_entity) ? $target_entity
      ->id() : $target_entity;
    if (!is_object($transaction_type) && !($transaction_type = $this->entityTypeManager
      ->getStorage('transaction_type')
      ->load($transaction_type))) {
      throw new \InvalidArgumentException('Invalid transaction type.');
    }
    $transaction_type_id = $transaction_type
      ->id();
    $target_entity_type_id = $transaction_type
      ->getTargetEntityTypeId();

    // Search the last executed transaction.
    $storage = $this->entityTypeManager
      ->getStorage('transaction');
    $result = $storage
      ->getQuery()
      ->condition('type', $transaction_type_id)
      ->condition('target_entity.target_type', $target_entity_type_id)
      ->condition('target_entity.target_id', $target_entity_id)
      ->exists('executed')
      ->range(0, 1)
      ->sort('execution_sequence', 'DESC')
      ->sort('executed', 'DESC')
      ->execute();
    return count($result) ? $storage
      ->load(array_pop($result)) : NULL;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
TransactionService::$entityTypeManager	protected	property	The entity type manager.
TransactionService::getLastExecutedTransaction	public	function	Gets the last executed transaction for a given type and target entity. Overrides TransactionServiceInterface::getLastExecutedTransaction
TransactionService::__construct	public	function	Constructor.