flow-1.0.0-beta8/src/Plugin/FlowQualifierManager.php

<?php

namespace Drupal\flow\Plugin;

use Drupal\Core\Cache\CacheBackendInterface;
use Drupal\Core\Extension\ModuleHandlerInterface;

/**
 * The manager for flow qualifier plugins.
 */
class FlowQualifierManager extends FlowPluginManager {

  /**
   * The FlowQualifierManager constructor.
   *
   * @param \Traversable $namespaces
   *   An object that implements \Traversable which contains the root paths
   *   keyed by the corresponding namespace to look for plugin implementations.
   * @param \Drupal\Core\Cache\CacheBackendInterface $cache_backend
   *   Cache backend instance to use.
   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
   *   The module handler to invoke the alter hook with.
   */
  public function __construct(\Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler) {
    parent::__construct(
      'flow_qualifier',
      'Plugin/flow/Qualifier',
      $namespaces,
      $cache_backend,
      $module_handler,
      'Drupal\flow\Plugin\FlowQualifierInterface',
      'Drupal\flow\Annotation\FlowQualifier'
    );
  }

  /**
   * Creates a pre-configured instance of a plugin.
   *
   * @param string $plugin_id
   *   The ID of the plugin being instantiated.
   * @param array $configuration
   *   An array of configuration relevant to the plugin instance.
   *
   * @return \Drupal\flow\Plugin\FlowQualifierInterface
   *   A fully configured plugin instance.
   *
   * @throws \Drupal\Component\Plugin\Exception\PluginException
   *   If the instance cannot be created, such as if the ID is invalid.
   */
  public function createInstance($plugin_id, array $configuration = []) {
    return parent::createInstance($plugin_id, $configuration);
  }

}