/**
* Creates backend filesystem
*
* @param array $backendConfig
* @param AdapterInterface $adapter
* @param array|null $filesystemConfig
* @param CacheInterface|null $cache
*
* @return Backend
*/
public function createBackend(array $backendConfig, AdapterInterface $adapter, array $filesystemConfig = null, CacheInterface $cache = null)
{
if ($adapter instanceof ContainerAwareInterface) {
$adapter->setContainer($this->app);
}
if (null === $cache) {
$cache = new MemoryCache();
}
$cachedAdapter = new CachedAdapter($adapter, $cache);
if (array_key_exists($backendConfig['adapter'], static::$trackedOperations)) {
$backendConfig['trackedOperations'] = static::$trackedOperations[$backendConfig['adapter']];
}
return new Backend($backendConfig, $this->app, $cachedAdapter, $filesystemConfig);
}