/**
* Detaches a document from the DocumentManager, causing a managed document to
* become detached. Unflushed changes made to the document if any
* (including removal of the document), will not be synchronized to the database.
* Documents which previously referenced the detached document will continue to
* reference it.
*
* @param object $document The document to detach.
*/
public function detach($document)
{
if (!is_object($document)) {
throw new \InvalidArgumentException(gettype($document));
}
$this->_unitOfWork->detach($document);
}