/**
* Return the record corresponding to the given ID.
*
* Both the numeric IDs of ExternalContentSource records and the composite IDs of ExternalContentItem entries
* are supported.
*
* @param string $id The ID
* @return Dataobject The relevant object
*/
public function getRecord($id)
{
if (is_numeric($id)) {
return parent::getRecord($id);
} else {
return ExternalContent::getDataObjectFor($id);
}
}