/**
* Map properties against mapper to obtain a backend-compatible array
*
* @param t41\Backend\Mapper $mapper
* @param t41\Backend\Adapter\AbstractAdapter $backend
* @return array
*/
public function map(\t41\Backend\Mapper $mapper, $backend)
{
$array = $this->toArray($backend);
return array('data' => $mapper->toArray($array['data'], $this->_class), 'collections' => $array['collections']);
}
/**
* Instanciate a backend from its uri
*
* @param t41_Uri $uri
* @param string $alias alias name
* @param string $mapper mapper name
* @return t41\Backend\Adapter\AbstractAdapter
* @throws t41\Backend\Exception
*/
public static function factory(Backend\BackendUri $uri, $alias = null, $mapper = null)
{
if (!is_null($alias)) {
$uri->setAlias($alias);
}
$parts = explode('_', $uri->getType());
foreach ($parts as $key => $part) {
$parts[$key] = ucfirst(strtolower($part));
}
$backendClass = sprintf('\\t41\\Backend\\Adapter\\%sAdapter', implode('\\', $parts));
try {
$backend = new $backendClass($uri);
$alias = self::addBackend($backend, $alias);
if ($mapper) {
$backend->setMapper(Backend\Mapper::getInstance($mapper));
}
return $backend;
} catch (\Exception $e) {
throw new Backend\Exception('UNKNOWN_CLASS');
}
}