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class Transition in Drupal 9

Same name and namespace in other branches
  1. 8 core/modules/workflows/src/Transition.php \Drupal\workflows\Transition

A transition value object that describes the transition between states.

Hierarchy

Expanded class hierarchy of Transition

5 files declare their use of Transition
EntityModerationForm.php in core/modules/content_moderation/src/Form/EntityModerationForm.php
StateTransitionValidation.php in core/modules/content_moderation/src/StateTransitionValidation.php
TransitionTest.php in core/modules/workflows/tests/src/Unit/TransitionTest.php
WorkflowTest.php in core/modules/workflows/tests/src/Unit/WorkflowTest.php
WorkflowTypeBase.php in core/modules/workflows/src/Plugin/WorkflowTypeBase.php
2 string references to 'Transition'
WorkflowStateEditForm::form in core/modules/workflows/src/Form/WorkflowStateEditForm.php
Gets the actual form array to be built.
workflows_help in core/modules/workflows/workflows.module
Implements hook_help().

File

core/modules/workflows/src/Transition.php, line 8

Namespace

Drupal\workflows
View source
class Transition implements TransitionInterface {

  /**
   * The workflow that this transition is attached to.
   *
   * @var \Drupal\workflows\WorkflowTypeInterface
   */
  protected $workflow;

  /**
   * The transition's ID.
   *
   * @var string
   */
  protected $id;

  /**
   * The transition's label.
   *
   * @var string
   */
  protected $label;

  /**
   * The transition's from state IDs.
   *
   * @var string[]
   */
  protected $fromStateIds;

  /**
   * The transition's to state ID.
   *
   * @var string
   */
  protected $toStateId;

  /**
   * The transition's weight.
   *
   * @var int
   */
  protected $weight;

  /**
   * Transition constructor.
   *
   * @param \Drupal\workflows\WorkflowTypeInterface $workflow
   *   The workflow the state is attached to.
   * @param string $id
   *   The transition's ID.
   * @param string $label
   *   The transition's label.
   * @param array $from_state_ids
   *   A list of from state IDs.
   * @param string $to_state_id
   *   The to state ID.
   * @param int $weight
   *   (optional) The transition's weight. Defaults to 0.
   */
  public function __construct(WorkflowTypeInterface $workflow, $id, $label, array $from_state_ids, $to_state_id, $weight = 0) {
    $this->workflow = $workflow;
    $this->id = $id;
    $this->label = $label;
    $this->fromStateIds = $from_state_ids;
    $this->toStateId = $to_state_id;
    $this->weight = $weight;
  }

  /**
   * {@inheritdoc}
   */
  public function id() {
    return $this->id;
  }

  /**
   * {@inheritdoc}
   */
  public function label() {
    return $this->label;
  }

  /**
   * {@inheritdoc}
   */
  public function from() {
    return $this->workflow
      ->getStates($this->fromStateIds);
  }

  /**
   * {@inheritdoc}
   */
  public function to() {
    return $this->workflow
      ->getState($this->toStateId);
  }

  /**
   * {@inheritdoc}
   */
  public function weight() {
    return $this->weight;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
Transition::$fromStateIds protected property The transition's from state IDs.
Transition::$id protected property The transition's ID.
Transition::$label protected property The transition's label.
Transition::$toStateId protected property The transition's to state ID.
Transition::$weight protected property The transition's weight.
Transition::$workflow protected property The workflow that this transition is attached to.
Transition::from public function Gets the transition's from states. Overrides TransitionInterface::from
Transition::id public function Gets the transition's ID. Overrides TransitionInterface::id
Transition::label public function Gets the transition's label. Overrides TransitionInterface::label
Transition::to public function Gets the transition's to state. Overrides TransitionInterface::to
Transition::weight public function Gets the transition's weight. Overrides TransitionInterface::weight
Transition::__construct public function Transition constructor.
TransitionInterface::DIRECTION_FROM constant The transition direction from.
TransitionInterface::DIRECTION_TO constant The transition direction to.
TransitionInterface::PLUGIN_FORM_KEY constant The key of the transition plugin form.