public function StateItem::applyTransitionById in State Machine 8

Applies a transition with the given ID, changing the current state.

Parameters

string $transition_id: The transition ID.

Throws

\InvalidArgumentException Thrown when no matching transition was found.

Overrides StateItemInterface::applyTransitionById

File

src/Plugin/Field/FieldType/StateItem.php, line 340

Class

StateItem

Plugin implementation of the 'state' field type.

Namespace

Drupal\state_machine\Plugin\Field\FieldType

Code

public function applyTransitionById($transition_id) {
  $transition = NULL;
  if ($workflow = $this
    ->getWorkflow()) {
    $transition = $workflow
      ->getTransition($transition_id);
  }
  if (!$transition) {
    throw new \InvalidArgumentException(sprintf('Unknown transition ID "%s".', $transition_id));
  }
  $this
    ->applyTransition($transition);
}