public function save(Application_Model_Category $category)
 {
     $data = array('account_id' => $category->getAccountId(), 'cate' => $category->getCategory());
     if (null === ($id = $category->getId())) {
         $this->getDbTable()->insert($data);
     } else {
         $this->getDbTable()->update($data, array('id = ?' => $id));
     }
 }