class NotNullConstraint in Drupal 8

NotNull constraint.

Overrides the symfony constraint to handle empty Typed Data structures.

Plugin annotation

@Constraint(
  id = "NotNull",
  label = @Translation("NotNull", context = "Validation"),
  type = false
)

Hierarchy

• class \Drupal\Core\Validation\Plugin\Validation\Constraint\NotNullConstraint extends \Symfony\Component\Validator\Constraints\NotNull

1 file declares its use of NotNullConstraint

ModerationStateConstraintValidator.php in core/modules/content_moderation/src/Plugin/Validation/Constraint/ModerationStateConstraintValidator.php

File

core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/NotNullConstraint.php, line 18

Namespace

Drupal\Core\Validation\Plugin\Validation\Constraint

class NotNullConstraint extends NotNull {

}