protected function ContentEntityStorageBase::getFromPersistentCache in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Entity/ContentEntityStorageBase.php \Drupal\Core\Entity\ContentEntityStorageBase::getFromPersistentCache()

Gets entities from the persistent cache backend.

Parameters

array|null &$ids: If not empty, return entities that match these IDs. IDs that were found will be removed from the list.

Return value

\Drupal\Core\Entity\ContentEntityInterface[] Array of entities from the persistent cache.

2 calls to ContentEntityStorageBase::getFromPersistentCache()

ContentEntityStorageBase::loadUnchanged in core/lib/Drupal/Core/Entity/ContentEntityStorageBase.php

Loads an unchanged entity from the database.

SqlContentEntityStorage::doLoadMultiple in core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorage.php

Performs storage-specific loading of entities.

File

core/lib/Drupal/Core/Entity/ContentEntityStorageBase.php, line 1017

Class

ContentEntityStorageBase

Base class for content entity storage handlers.

Namespace

Drupal\Core\Entity

Code

protected function getFromPersistentCache(array &$ids = NULL) {
  if (!$this->entityType
    ->isPersistentlyCacheable() || empty($ids)) {
    return [];
  }
  $entities = [];

  // Build the list of cache entries to retrieve.
  $cid_map = [];
  foreach ($ids as $id) {
    $cid_map[$id] = $this
      ->buildCacheId($id);
  }
  $cids = array_values($cid_map);
  if ($cache = $this->cacheBackend
    ->getMultiple($cids)) {

    // Get the entities that were found in the cache.
    foreach ($ids as $index => $id) {
      $cid = $cid_map[$id];
      if (isset($cache[$cid])) {
        $entities[$id] = $cache[$cid]->data;
        unset($ids[$index]);
      }
    }
  }
  return $entities;
}