public function save(Application_Model_Log $model)
 {
     $data = array('id' => $model->getId(), 'origin' => $model->getOrigin(), 'destination' => $model->getDestination(), 'tstamp' => $model->getTstamp(), 'message' => $model->getMessage());
     if (null === ($id = $model->getId())) {
         unset($data['id']);
         $this->getDbTable()->insert($data);
     } else {
         $this->getDbTable()->update($data, array('id = ?' => $id));
     }
 }