ezsystems / ezpublish-kernel

        // Cache pool

        $cacheItem = $this->cache->getItem($key);

        if ($cacheItem->isHit()) {

            $this->logger->logCacheHit($arguments, 3);

            $this->inMemory->setMulti($objects = $cacheItem->get(), $cacheIndexes, $key);

            return $objects;

        }

        // Backend

        // (log misses first in case of $backendLoader ends up throwing NotFound)

        }

        // No cache pool misses, cache loaded items in-memory and return

        if (empty($cacheMisses)) {

            $this->logger->logCacheHit($arguments ?: $ids, 3);

            $this->inMemory->setMulti($loaded, $cacheIndexes);

            return $list;

        }

        // Load missing items, save to cache & apply to list if found

        $backendLoadedList = $backendLoader($cacheMisses);