/**
* Gets a cache controller based on the data to be rendered.
*
* @param mixed $data
* The data to be rendered.
*
* @return RenderCacheInterface
* The cache controller.
*/
protected function createCacheController($data)
{
if (!($cache_fragments = $this->cacheFragments($data))) {
return NULL;
}
// Add the formatter fragment because every formatter may prepare the data
// differently.
/* @var \Doctrine\Common\Collections\ArrayCollection $cache_fragments */
$cache_fragments->set('formatter', $this->getPluginId());
/* @var \Drupal\restful\Plugin\resource\Decorators\CacheDecoratedResource $cached_resource */
if (!($cached_resource = $this->getResource())) {
return NULL;
}
if (!$cached_resource instanceof CacheDecoratedResourceInterface) {
return NULL;
}
return RenderCache::create($cache_fragments, $cached_resource->getCacheController());
}
/**
* Clears the cache entries related to the given cache fragments.
*
* @param \Doctrine\Common\Collections\ArrayCollection $cache_fragments
* The cache fragments to clear.
*/
protected function clearRenderedCache(ArrayCollection $cache_fragments)
{
$cache_object = new RenderCache($cache_fragments, NULL, $this->cacheController);
$cache_object->clear();
}
