class Action

class Action extends ConfigEntityBase implements ActionConfigEntityInterface, EntityWithPluginCollectionInterface {
    
    /**
     * The name (plugin ID) of the action.
     *
     * @var string
     */
    protected $id;
    
    /**
     * The label of the action.
     *
     * @var string
     */
    protected $label;
    
    /**
     * The action type.
     *
     * @var string|null
     */
    protected $type = NULL;
    
    /**
     * The configuration of the action.
     *
     * @var array
     */
    protected $configuration = [];
    
    /**
     * The plugin ID of the action.
     *
     * @var string
     */
    protected $plugin;
    
    /**
     * The plugin collection that stores action plugins.
     *
     * @var \Drupal\Core\Action\ActionPluginCollection
     */
    protected $pluginCollection;
    
    /**
     * {@inheritdoc}
     */
    public static function create(array $values = []) {
        // When no label is specified for this action config entity, default to the
        // label of the used action plugin.
        if (!array_key_exists('label', $values) && array_key_exists('plugin', $values)) {
            try {
                $action_plugin_manager = \Drupal::service('plugin.manager.action');
                assert($action_plugin_manager instanceof PluginManagerInterface);
                $action_plugin_definition = $action_plugin_manager->getDefinition($values['plugin']);
                // @see \Drupal\Core\Annotation\Action::$label
                assert(array_key_exists('label', $action_plugin_definition));
                $values['label'] = $action_plugin_definition['label'];
            } catch (PluginNotFoundException) {
            }
        }
        return parent::create($values);
    }
    
    /**
     * Encapsulates the creation of the action's LazyPluginCollection.
     *
     * @return \Drupal\Component\Plugin\LazyPluginCollection
     *   The action's plugin collection.
     */
    protected function getPluginCollection() {
        if (!$this->pluginCollection) {
            $this->pluginCollection = new ActionPluginCollection(\Drupal::service('plugin.manager.action'), $this->plugin, $this->configuration);
        }
        return $this->pluginCollection;
    }
    
    /**
     * {@inheritdoc}
     */
    public function getPluginCollections() {
        return [
            'configuration' => $this->getPluginCollection(),
        ];
    }
    
    /**
     * {@inheritdoc}
     */
    public function getPlugin() {
        return $this->getPluginCollection()
            ->get($this->plugin);
    }
    
    /**
     * {@inheritdoc}
     */
    public function setPlugin($plugin_id) {
        $this->plugin = $plugin_id;
        $this->getPluginCollection()
            ->addInstanceId($plugin_id);
    }
    
    /**
     * {@inheritdoc}
     */
    public function getPluginDefinition() {
        return $this->getPlugin()
            ->getPluginDefinition();
    }
    
    /**
     * {@inheritdoc}
     */
    public function execute(array $entities) {
        return $this->getPlugin()
            ->executeMultiple($entities);
    }
    
    /**
     * {@inheritdoc}
     */
    public function isConfigurable() {
        return $this->getPlugin() instanceof ConfigurableInterface;
    }
    
    /**
     * {@inheritdoc}
     */
    public function getType() {
        return $this->type;
    }
    
    /**
     * {@inheritdoc}
     */
    public static function sort(ConfigEntityInterface $a, ConfigEntityInterface $b) {
        
        /** @var \Drupal\system\ActionConfigEntityInterface $a */
        
        /** @var \Drupal\system\ActionConfigEntityInterface $b */
        $a_type = $a->getType();
        $b_type = $b->getType();
        if ($a_type != $b_type) {
            return strnatcasecmp($a_type, $b_type);
        }
        return parent::sort($a, $b);
    }

}