/**
* Refreshes the persistent state of a document from the database,
* overriding any local changes that have not yet been persisted.
*
* @param object $document The document to refresh.
* @throws \InvalidArgumentException When the given $document param is not an object
*/
public function refresh($document)
{
if (!is_object($document)) {
throw new \InvalidArgumentException(gettype($document));
}
$this->errorIfClosed();
$this->unitOfWork->refresh($document);
}
