/** displays the doc as POSTed to Solr */
public function getSolrXml($r)
{
$user = $r->getUser();
if (!$user->can('read', $this->item)) {
$r->renderError(401, 'user cannot read this item');
}
$solr = new Dase_Solr($this->db, $this->config);
$r->renderResponse($solr->buildItemSolrDoc($this->item));
}
