public function ContentEntityBase::createDuplicate

Creates a duplicate of the entity.

Return value

static A clone of $this with all identifiers unset, so saving it inserts a new entity into the storage system.

Overrides EntityBase::createDuplicate

File

core/lib/Drupal/Core/Entity/ContentEntityBase.php, line 1131

Class

ContentEntityBase

Implements Entity Field API specific enhancements to the Entity class.

Namespace

Code

public function createDuplicate() {
  if ($this->translations[$this->activeLangcode]['status'] == static::TRANSLATION_REMOVED) {
    throw new \InvalidArgumentException("The entity object refers to a removed translation ({$this->activeLangcode}) and cannot be manipulated.");
  }
  $duplicate = clone $this;
  $entity_type = $this
    ->getEntityType();
  if ($entity_type
    ->hasKey('id')) {
    $duplicate->{$entity_type
      ->getKey('id')}->value = NULL;
  }
  $duplicate
    ->enforceIsNew();

  // Check if the entity type supports UUIDs and generate a new one if so.
  if ($entity_type
    ->hasKey('uuid')) {
    $duplicate->{$entity_type
      ->getKey('uuid')}->value = $this
      ->uuidGenerator()
      ->generate();
  }

  // Check whether the entity type supports revisions and initialize it if so.
  if ($entity_type
    ->isRevisionable()) {
    $duplicate->{$entity_type
      ->getKey('revision')}->value = NULL;
    $duplicate->loadedRevisionId = NULL;
  }
  return $duplicate;
}