ConditionManager.php

<?php

namespace Drupal\rules\Core;

use Drupal\Core\Condition\ConditionManager as CoreConditionManager;
use Drupal\Core\Plugin\Discovery\ContainerDerivativeDiscoveryDecorator;
use Drupal\rules\Context\AnnotatedClassDiscovery;

/**
 * Extends the core condition manager to add in Rules' context improvements.
 */
class ConditionManager extends CoreConditionManager {
    
    /**
     * {@inheritdoc}
     *
     * @return \Drupal\rules\Core\RulesConditionInterface|\Drupal\Core\Condition\ConditionInterface
     *   A fully configured plugin instance.
     */
    public function createInstance($plugin_id, array $configuration = []) {
        return parent::createInstance($plugin_id, $configuration);
    }
    
    /**
     * {@inheritdoc}
     */
    protected function getDiscovery() {
        if (!$this->discovery) {
            // Swap out the annotated class discovery used, so we can control the
            // annotation classes picked.
            $discovery = new AnnotatedClassDiscovery($this->subdir, $this->namespaces, $this->pluginDefinitionAnnotationName);
            $this->discovery = new ContainerDerivativeDiscoveryDecorator($discovery);
        }
        return $this->discovery;
    }
    
    /**
     * {@inheritdoc}
     */
    public function getDefinitions() {
        $definitions = parent::getDefinitions();
        // Make sure that all definitions have a category to avoid PHP notices in
        // CategorizingPluginManagerTrait.
        // @todo Fix this in core in CategorizingPluginManagerTrait.
        foreach ($definitions as &$definition) {
            if (!isset($definition['category'])) {
                $definition['category'] = $this->t('Other');
            }
        }
        return $definitions;
    }

}