/**
* Retrieve a single document.
*
* @param string $id Document identifier
* @param ParamBag $params Search backend parameters
*
* @return RecordCollectionInterface
*/
public function retrieve($id, ParamBag $params = null)
{
try {
$response = $this->connector->getRecord($id, $this->connector->getInstitutionCode());
} catch (\Exception $e) {
// TODO: check from database, this could be in a favorite list
throw new BackendException($e->getMessage(), $e->getCode(), $e);
}
$response['id'] = $id;
$collection = $this->createRecordCollection(['documents' => [$response]]);
return $collection;
}
