public function updatebookingbybrokerid($brokerid, $scheme)
 {
     $key = Util_MemCacheKey::get_booking_brokerid($brokerid);
     APF::get_instance()->benchmark_begin(__CLASS__ . " updatebooking ");
     $memcache = APF_Cache_Factory::get_instance()->get_memcache();
     $time = Util_MemCacheTime::get_booking_brokerid();
     $memcache->set($key, $scheme, 0, $time);
     parent::updateBookingbyBrokerId($brokerid, $scheme);
     APF::get_instance()->benchmark_end(__CLASS__ . " updatebooking ");
 }