public function DataDefinition::getConstraint

public DataDefinition::getConstraint($constraint_name)

Returns a validation constraint.

See \Drupal\Core\TypedData\DataDefinitionInterface::getConstraints() for details.

Parameters

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

Return value

array A validation constraint definition which can be used for instantiating a \Symfony\Component\Validator\Constraint object.

Overrides DataDefinitionInterface::getConstraint

See also

\Symfony\Component\Validator\Constraint

File

core/lib/Drupal/Core/TypedData/DataDefinition.php, line 268

Class

DataDefinition

A typed data definition class for defining data based on defined data types.

Namespace

Drupal\Core\TypedData

Code

public function getConstraint($constraint_name) {
  $constraints = $this->getConstraints();
  return isset($constraints[$constraint_name]) ? $constraints[$constraint_name] : NULL;
}