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- <?php
- namespace Drupal\Core\Display;
- use Drupal\Core\Cache\CacheBackendInterface;
- use Drupal\Core\Extension\ModuleHandlerInterface;
- use Drupal\Core\Plugin\DefaultPluginManager;
- /**
- * Manages discovery of display variant plugins.
- *
- * @see \Drupal\Core\Display\Annotation\DisplayVariant
- * @see \Drupal\Core\Display\VariantInterface
- * @see \Drupal\Core\Display\VariantBase
- * @see plugin_api
- */
- class VariantManager extends DefaultPluginManager {
- /**
- * Constructs a new VariantManager.
- *
- * @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/DisplayVariant', $namespaces, $module_handler, 'Drupal\Core\Display\VariantInterface', 'Drupal\Core\Display\Annotation\DisplayVariant');
- $this->setCacheBackend($cache_backend, 'variant_plugins');
- $this->alterInfo('display_variant_plugin');
- }
- }
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