/**
* Export constructor
*
* @param CMbObject $object Object to export
* @param null $backrefs_tree Backrefs tree
*
* @throws CMbException
*/
function __construct(CMbObject $object, $backrefs_tree = null)
{
if (!$object->getPerm(PERM_READ)) {
throw new CMbException("Permission denied");
}
$this->object = $object;
$this->backrefs_tree = isset($backrefs_tree) ? $backrefs_tree : $object->getExportedBackRefs();
}
/**
* @see parent::getExportedBackRefs()
*/
function getExportedBackRefs()
{
$export = parent::getExportedBackRefs();
$export["CExClass"] = array("field_groups");
$export["CExClassFieldGroup"] = array("class_fields", "host_fields", "class_messages");
$export["CExConcept"] = array("list_items");
$export["CExList"] = array("list_items");
return $export;
}