abstract class RendererBase in Drupal 9

Defines a base class for entity renderers.

Hierarchy

• class \Drupal\views\Entity\Render\RendererBase implements CacheableDependencyInterface

File

core/modules/views/src/Entity/Render/RendererBase.php, line 16

Namespace

Drupal\views\Entity\Render

abstract class RendererBase implements CacheableDependencyInterface {

  /**
   * The view executable wrapping the view storage entity.
   *
   * @var \Drupal\views\ViewExecutable
   */
  public $view;

  /**
   * The language manager.
   *
   * @var \Drupal\Core\Language\LanguageManagerInterface
   */
  protected $languageManager;

  /**
   * The type of the entity being rendered.
   *
   * @var \Drupal\Core\Entity\EntityTypeInterface
   */
  protected $entityType;

  /**
   * Contains an array of render arrays, one for each rendered entity.
   *
   * @var array
   */
  protected $build;

  /**
   * Constructs a renderer object.
   *
   * @param \Drupal\views\ViewExecutable $view
   *   The entity row being rendered.
   * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
   *   The language manager.
   * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
   *   The entity type.
   */
  public function __construct(ViewExecutable $view, LanguageManagerInterface $language_manager, EntityTypeInterface $entity_type) {
    $this->view = $view;
    $this->languageManager = $language_manager;
    $this->entityType = $entity_type;
  }

  /**
   * {@inheritdoc}
   */
  public function getCacheMaxAge() {
    return Cache::PERMANENT;
  }

  /**
   * {@inheritdoc}
   */
  public function getCacheContexts() {
    return [];
  }

  /**
   * {@inheritdoc}
   */
  public function getCacheTags() {
    return [];
  }

  /**
   * Alters the query if needed.
   *
   * @param \Drupal\views\Plugin\views\query\QueryPluginBase $query
   *   The query to alter.
   * @param string $relationship
   *   (optional) The relationship, used by a field.
   */
  public abstract function query(QueryPluginBase $query, $relationship = NULL);

  /**
   * Runs before each entity is rendered.
   *
   * @param $result
   *   The full array of results from the query.
   */
  public function preRender(array $result) {
  }

  /**
   * Renders entity data.
   *
   * @param \Drupal\views\ResultRow $row
   *   A single row of the query result.
   *
   * @return array
   *   A renderable array for the entity data contained in the result row.
   */
  public abstract function render(ResultRow $row);

}

Members

Name	Modifiers	Type	Description	Overrides
RendererBase::$build	protected	property	Contains an array of render arrays, one for each rendered entity.
RendererBase::$entityType	protected	property	The type of the entity being rendered.
RendererBase::$languageManager	protected	property	The language manager.
RendererBase::$view	public	property	The view executable wrapping the view storage entity.
RendererBase::getCacheContexts	public	function	The cache contexts associated with this object. Overrides CacheableDependencyInterface::getCacheContexts	2
RendererBase::getCacheMaxAge	public	function	The maximum age for which this object may be cached. Overrides CacheableDependencyInterface::getCacheMaxAge
RendererBase::getCacheTags	public	function	The cache tags associated with this object. Overrides CacheableDependencyInterface::getCacheTags
RendererBase::preRender	public	function	Runs before each entity is rendered.	1
RendererBase::query	abstract public	function	Alters the query if needed.	2
RendererBase::render	abstract public	function	Renders entity data.	2
RendererBase::__construct	public	function	Constructs a renderer object.	2