function NotNullConstraintValidator::validate

phpcs:ignore Drupal.Commenting.FunctionComment.VoidReturn

Return value

void

File

core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/NotNullConstraintValidator.php, line 27

Class

NotNullConstraintValidator

NotNull constraint validator.

Namespace

Code

public function validate($value, Constraint $constraint) {
  $typed_data = $this->getTypedData();
  // TRICKY: the Mapping and Sequence data types both extend ArrayElement
  // (which implements ComplexDataInterface), but configuration schema sees a
  // substantial difference between an empty sequence/mapping and NULL. So we
  // want to make sure we don't treat an empty array as NULL.
  if (($typed_data instanceof ListInterface || $typed_data instanceof ComplexDataInterface) && !$typed_data instanceof ArrayElement && $typed_data->isEmpty()) {
    $value = NULL;
  }
  parent::validate($value, $constraint);
}