public function EntityReferenceHierarchyFieldItemList::getConstraints in Entity Reference Hierarchy 3.x

Same name and namespace in other branches

1. 8.2 src/Plugin/Field/FieldType/EntityReferenceHierarchyFieldItemList.php \Drupal\entity_hierarchy\Plugin\Field\FieldType\EntityReferenceHierarchyFieldItemList::getConstraints()

Gets a list of validation constraints.

Return value

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

Overrides EntityReferenceFieldItemList::getConstraints

File

src/Plugin/Field/FieldType/EntityReferenceHierarchyFieldItemList.php, line 60

Class

EntityReferenceHierarchyFieldItemList

Defines a field item list for entity reference with hierarchy.

Namespace

Drupal\entity_hierarchy\Plugin\Field\FieldType

Code

public function getConstraints() {
  $constraints = parent::getConstraints();
  $constraint_manager = $this
    ->getTypedDataManager()
    ->getValidationConstraintManager();
  $constraints[] = $constraint_manager
    ->create('ValidHierarchyReference', []);
  return $constraints;
}