public function setGeocode($code_list, $foreignTable, $foreignId, $memberId)
 {
     $newcode_list = array();
     foreach ($code_list as $code) {
         $newcode_list[$code] = $code;
     }
     foreach ($this->getCodeList($foreignTable, $foreignId) as $geocode) {
         if (!in_array($geocode->getGeocode(), $code_list)) {
             $geocode->delete();
         } else {
             unset($newcode_list[$geocode->getGeocode()]);
         }
     }
     foreach ($newcode_list as $code) {
         $code = explode(',', $code);
         if (count($code) == 2) {
             $obj = new Geocode();
             $obj->setForeignId($foreignId);
             $obj->setForeignTable($foreignTable);
             $obj->setLat($code[0]);
             $obj->setLng($code[1]);
             $obj->setMemberId($memberId);
             $obj->save();
             $obj->free(true);
             unset($obj);
         }
     }
 }