public function EntityType::addConstraint

Adds a validation constraint.

See \Drupal\Core\TypedData\DataDefinitionInterface::getConstraints() for details on how constraints are defined.

Parameters

string $constraint_name: The name of the constraint to add, i.e. its plugin id.

array|null $options: The constraint options as required by the constraint plugin, or NULL.

Return value

$this

Overrides EntityTypeInterface::addConstraint

File

core/lib/Drupal/Core/Entity/EntityType.php, line 878

Class

EntityType

Provides an implementation of an entity type and its metadata.

Namespace

Code

public function addConstraint($constraint_name, $options = NULL) {
  $this->constraints[$constraint_name] = $options;
  return $this;
}