FieldStorageDefinitionListener.php in Zircon Profile 8.0

Contains \Drupal\Core\Field\FieldStorageDefinitionListener.

Namespace

Drupal\Core\Field

File

core/lib/Drupal/Core/Field/FieldStorageDefinitionListener.php

<?php

/**
 * @file
 * Contains \Drupal\Core\Field\FieldStorageDefinitionListener.
 */
namespace Drupal\Core\Field;

use Drupal\Core\Entity\EntityLastInstalledSchemaRepositoryInterface;
use Drupal\Core\Entity\EntityFieldManagerInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;

/**
 * Reacts to field storage definition CRUD on behalf of the Entity system.
 *
 * @see \Drupal\Core\Field\FieldStorageDefinitionEvents
 */
class FieldStorageDefinitionListener implements FieldStorageDefinitionListenerInterface {

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

  /**
   * The event dispatcher.
   *
   * @var \Symfony\Component\EventDispatcher\EventDispatcherInterface
   */
  protected $eventDispatcher;

  /**
   * The entity definition manager.
   *
   * @var \Drupal\Core\Entity\EntityLastInstalledSchemaRepositoryInterface
   */
  protected $entityLastInstalledSchemaRepository;

  /**
   * The entity field manager.
   *
   * @var \Drupal\Core\Entity\EntityFieldManagerInterface
   */
  protected $entityFieldManager;

  /**
   * Constructs a new FieldStorageDefinitionListener.
   *
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager.
   * @param \Symfony\Component\EventDispatcher\EventDispatcherInterface $event_dispatcher
   *   The event dispatcher.
   * @param \Drupal\Core\Entity\EntityLastInstalledSchemaRepositoryInterface $entity_last_installed_schema_repository
   *   The entity last installed schema repository.
   * @param \Drupal\Core\Entity\EntityFieldManagerInterface $entity_field_manager
   *   The entity field manager.
   */
  public function __construct(EntityTypeManagerInterface $entity_type_manager, EventDispatcherInterface $event_dispatcher, EntityLastInstalledSchemaRepositoryInterface $entity_last_installed_schema_repository, EntityFieldManagerInterface $entity_field_manager) {
    $this->entityTypeManager = $entity_type_manager;
    $this->eventDispatcher = $event_dispatcher;
    $this->entityLastInstalledSchemaRepository = $entity_last_installed_schema_repository;
    $this->entityFieldManager = $entity_field_manager;
  }

  /**
   * {@inheritdoc}
   */
  public function onFieldStorageDefinitionCreate(FieldStorageDefinitionInterface $storage_definition) {
    $entity_type_id = $storage_definition
      ->getTargetEntityTypeId();

    // @todo Forward this to all interested handlers, not only storage, once
    //   iterating handlers is possible: https://www.drupal.org/node/2332857.
    $storage = $this->entityTypeManager
      ->getStorage($entity_type_id);
    if ($storage instanceof FieldStorageDefinitionListenerInterface) {
      $storage
        ->onFieldStorageDefinitionCreate($storage_definition);
    }
    $this->eventDispatcher
      ->dispatch(FieldStorageDefinitionEvents::CREATE, new FieldStorageDefinitionEvent($storage_definition));
    $this->entityLastInstalledSchemaRepository
      ->setLastInstalledFieldStorageDefinition($storage_definition);
    $this->entityFieldManager
      ->clearCachedFieldDefinitions();
  }

  /**
   * {@inheritdoc}
   */
  public function onFieldStorageDefinitionUpdate(FieldStorageDefinitionInterface $storage_definition, FieldStorageDefinitionInterface $original) {
    $entity_type_id = $storage_definition
      ->getTargetEntityTypeId();

    // @todo Forward this to all interested handlers, not only storage, once
    //   iterating handlers is possible: https://www.drupal.org/node/2332857.
    $storage = $this->entityTypeManager
      ->getStorage($entity_type_id);
    if ($storage instanceof FieldStorageDefinitionListenerInterface) {
      $storage
        ->onFieldStorageDefinitionUpdate($storage_definition, $original);
    }
    $this->eventDispatcher
      ->dispatch(FieldStorageDefinitionEvents::UPDATE, new FieldStorageDefinitionEvent($storage_definition, $original));
    $this->entityLastInstalledSchemaRepository
      ->setLastInstalledFieldStorageDefinition($storage_definition);
    $this->entityFieldManager
      ->clearCachedFieldDefinitions();
  }

  /**
   * {@inheritdoc}
   */
  public function onFieldStorageDefinitionDelete(FieldStorageDefinitionInterface $storage_definition) {
    $entity_type_id = $storage_definition
      ->getTargetEntityTypeId();

    // @todo Forward this to all interested handlers, not only storage, once
    //   iterating handlers is possible: https://www.drupal.org/node/2332857.
    $storage = $this->entityTypeManager
      ->getStorage($entity_type_id);
    if ($storage instanceof FieldStorageDefinitionListenerInterface) {
      $storage
        ->onFieldStorageDefinitionDelete($storage_definition);
    }
    $this->eventDispatcher
      ->dispatch(FieldStorageDefinitionEvents::DELETE, new FieldStorageDefinitionEvent($storage_definition));
    $this->entityLastInstalledSchemaRepository
      ->deleteLastInstalledFieldStorageDefinition($storage_definition);
    $this->entityFieldManager
      ->clearCachedFieldDefinitions();
  }

}

Classes

Name	Description
FieldStorageDefinitionListener	Reacts to field storage definition CRUD on behalf of the Entity system.