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class ValidReferenceConstraint in Drupal 9

Same name and namespace in other branches
  1. 8 core/lib/Drupal/Core/Entity/Plugin/Validation/Constraint/ValidReferenceConstraint.php \Drupal\Core\Entity\Plugin\Validation\Constraint\ValidReferenceConstraint

Entity Reference valid reference constraint.

Verifies that referenced entities are valid.

Plugin annotation


@Constraint(
  id = "ValidReference",
  label = @Translation("Entity Reference valid reference", context = "Validation")
)

Hierarchy

  • class \Drupal\Core\Entity\Plugin\Validation\Constraint\ValidReferenceConstraint extends \Symfony\Component\Validator\Constraint

Expanded class hierarchy of ValidReferenceConstraint

File

core/lib/Drupal/Core/Entity/Plugin/Validation/Constraint/ValidReferenceConstraint.php, line 17

Namespace

Drupal\Core\Entity\Plugin\Validation\Constraint
View source
class ValidReferenceConstraint extends Constraint {

  /**
   * The default violation message.
   *
   * @var string
   */
  public $message = 'This entity (%type: %id) cannot be referenced.';

  /**
   * Violation message when the entity does not exist.
   *
   * @var string
   */
  public $nonExistingMessage = 'The referenced entity (%type: %id) does not exist.';

  /**
   * Violation message when a new entity ("autocreate") is invalid.
   *
   * @var string
   */
  public $invalidAutocreateMessage = 'This entity (%type: %label) cannot be referenced.';

  /**
   * Violation message when the target_id is empty.
   *
   * @var string
   */
  public $nullMessage = 'This value should not be null.';

}

Members

Namesort descending Modifiers Type Description Overrides
ValidReferenceConstraint::$invalidAutocreateMessage public property Violation message when a new entity ("autocreate") is invalid.
ValidReferenceConstraint::$message public property The default violation message.
ValidReferenceConstraint::$nonExistingMessage public property Violation message when the entity does not exist.
ValidReferenceConstraint::$nullMessage public property Violation message when the target_id is empty.