getModerationStateId example

class ModerationStateFieldItemList extends FieldItemList {

  use ComputedItemListTrait {
    get as traitGet;
  }

  /** * {@inheritdoc} */
  protected function computeValue() {
    $moderation_state = $this->getModerationStateId();
    // Do not store NULL values, in the case where an entity does not have a     // moderation workflow associated with it, we do not create list items for     // the computed field.     if ($moderation_state) {
      // An entity can only have a single moderation state.       $this->list[0] = $this->createItem(0, $moderation_state);
    }
  }

  /** * Gets the moderation state ID linked to a content entity revision. * * @return string|null * The moderation state ID linked to a content entity revision. */