function ContentEntityBase::createDuplicate

Overrides EntityBase::createDuplicate

File

core/lib/Drupal/Core/Entity/ContentEntityBase.php, line 1149

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;
}