/**
* Returns if session refresh is adviced in frontend
* True when
* - session variable is affected (otherwise nothing to update)
* - AND transaction request is 'promise' (otherwise rollback)
* - AND invariant rules hold (otherwise rollback)
* False otherwise
* @return boolean
*/
public function getSessionRefreshAdvice()
{
return $this->getSessionVarAffected() && $this->database->getRequestType() == 'promise' && $this->database->getInvariantRulesHold();
}