EntityReferenceFieldItemList::getConstraints

public EntityReferenceFieldItemList::getConstraints()

Gets a list of validation constraints.

Return value

array Array of constraints, each being an instance of \Symfony\Component\Validator\Constraint.

Overrides FieldItemList::getConstraints

File

core/lib/Drupal/Core/Field/EntityReferenceFieldItemList.php, line 16

Class

EntityReferenceFieldItemList
Defines a item list class for entity reference fields.

Namespace

Drupal\Core\Field

Code

public function getConstraints() {
  $constraints = parent::getConstraints();
  $constraint_manager = $this->getTypedDataManager()->getValidationConstraintManager();
  $constraints[] = $constraint_manager->create('ValidReference', []);
  return $constraints;
}
doc_Drupal
2016-10-29 09:07:21
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