function EntityReference::setValue

Overrides DataReferenceBase::setValue

File

core/lib/Drupal/Core/Entity/Plugin/DataType/EntityReference.php, line 95

Class

EntityReference

Defines an 'entity_reference' data type.

Namespace

Code

public function setValue($value, $notify = TRUE) {
    unset($this->target);
    unset($this->id);
    // Both the entity ID and the entity object may be passed as value. The
    // reference may also be unset by passing NULL as value.
    if (!isset($value)) {
        $this->target = NULL;
    }
    elseif ($value instanceof EntityInterface) {
        $this->target = $value->getTypedData();
    }
    elseif (!is_scalar($value) || $this->getTargetDefinition()
        ->getEntityTypeId() === NULL) {
        throw new \InvalidArgumentException('Value is not a valid entity.');
    }
    else {
        $this->id = $value;
    }
    // Notify the parent of any changes.
    if ($notify && isset($this->parent)) {
        $this->parent
            ->onChange($this->name);
    }
}