search_api_autocomplete-8.x-1.x-dev/src/Suggester/SuggesterManager.php

<?php

namespace Drupal\search_api_autocomplete\Suggester;

use Drupal\Core\Cache\CacheBackendInterface;
use Drupal\Core\Extension\ModuleHandlerInterface;
use Drupal\Core\Plugin\DefaultPluginManager;
use Drupal\search_api_autocomplete\Annotation\SearchApiAutocompleteSuggester as SuggesterAnnotation;
use Drupal\search_api_autocomplete\Attribute\SearchApiAutocompleteSuggester as SuggesterAttribute;

/**
 * Provides a plugin manager for autocomplete suggestion plugins.
 *
 * @see \Drupal\search_api_autocomplete\Attribute\SearchApiAutocompleteSuggester
 * @see \Drupal\search_api_autocomplete\Suggester\SuggesterInterface
 * @see \Drupal\search_api_autocomplete\Suggester\SuggesterPluginBase
 * @see plugin_api
 */
class SuggesterManager extends DefaultPluginManager {

  /**
   * Constructs a new SuggesterManager.
   *
   * @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(
      'Plugin/search_api_autocomplete/suggester',
      $namespaces,
      $module_handler,
      SuggesterInterface::class,
      SuggesterAttribute::class,
      SuggesterAnnotation::class,
    );

    $this->setCacheBackend($cache_backend, 'search_api_autocomplete_suggester');
    $this->alterInfo('search_api_autocomplete_suggester_info');
  }

}