class EntityFieldUniqueValues in Helper 8

Checks if an entity field has duplicate values.

Plugin annotation

@Constraint(
  id = "HelperEntityFieldUniqueValues",
  label = @Translation("Unique field values", context = "Validation"),
  type = {"entity"},
)

Hierarchy

• class \Drupal\helper\Plugin\Validation\Constraint\FieldListUniqueValues extends \Symfony\Component\Validator\Constraint
  • class \Drupal\helper\Plugin\Validation\Constraint\EntityFieldUniqueValues

File

src/Plugin/Validation/Constraint/EntityFieldUniqueValues.php, line 14

Namespace

Drupal\helper\Plugin\Validation\Constraint

class EntityFieldUniqueValues extends FieldListUniqueValues {

  /**
   * The field name to validate.
   *
   * @var string
   */
  public $field_name;

  /**
   * {@inheritdoc}
   */
  public function getDefaultOption() {
    return 'field_name';
  }

  /**
   * {@inheritdoc}
   */
  public function getRequiredOptions() {
    return [
      'field_name',
    ];
  }

}

Members

Name	Modifiers	Type	Description	Overrides
EntityFieldUniqueValues::$field_name	public	property	The field name to validate.
EntityFieldUniqueValues::getDefaultOption	public	function	Returns the name of the default option.
EntityFieldUniqueValues::getRequiredOptions	public	function	Returns the name of the required options.
FieldListUniqueValues::$message	public	property	Message if field contains duplicate values.
FieldListUniqueValues::$messageWithValues	public	property	Message with values if field contains duplicate values.
FieldListUniqueValues::$property	public	property	The field property to use when searching for values.
FieldListUniqueValues::$show_values	public	property	If the message should show the field values that are duplicates.