protected function EntityStorageBase::doPreSave in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Entity/EntityStorageBase.php \Drupal\Core\Entity\EntityStorageBase::doPreSave()

Performs presave entity processing.

Parameters

\Drupal\Core\Entity\EntityInterface $entity: The saved entity.

Return value

int|string The processed entity identifier.

Throws

\Drupal\Core\Entity\EntityStorageException If the entity identifier is invalid.

2 calls to EntityStorageBase::doPreSave()

ContentEntityStorageBase::doPreSave in core/lib/Drupal/Core/Entity/ContentEntityStorageBase.php

Performs presave entity processing.

EntityStorageBase::save in core/lib/Drupal/Core/Entity/EntityStorageBase.php

Saves the entity permanently.

1 method overrides EntityStorageBase::doPreSave()

ContentEntityStorageBase::doPreSave in core/lib/Drupal/Core/Entity/ContentEntityStorageBase.php

Performs presave entity processing.

File

core/lib/Drupal/Core/Entity/EntityStorageBase.php, line 477

Class

EntityStorageBase

A base entity storage class.

Namespace

Drupal\Core\Entity

Code

protected function doPreSave(EntityInterface $entity) {
  $id = $entity
    ->id();

  // Track the original ID.
  if ($entity
    ->getOriginalId() !== NULL) {
    $id = $entity
      ->getOriginalId();
  }

  // Track if this entity exists already.
  $id_exists = $this
    ->has($id, $entity);

  // A new entity should not already exist.
  if ($id_exists && $entity
    ->isNew()) {
    throw new EntityStorageException("'{$this->entityTypeId}' entity with ID '{$id}' already exists.");
  }

  // Load the original entity, if any.
  if ($id_exists && !isset($entity->original)) {
    $entity->original = $this
      ->loadUnchanged($id);
  }

  // Allow code to run before saving.
  $entity
    ->preSave($this);
  $this
    ->invokeHook('presave', $entity);
  return $id;
}