public IList <Station> findStation(long zoneId)
{
IList <Station> stations = null;
string group_key = "Select_Station" + zoneId;
//如果不允许缓存
if (enableCaching)
{
stations = HttpRuntime.Cache[group_key] as IList <Station>;
}
if (stations == null)
{
stations = manager.findStation(zoneId);
}
// Check if the data exists in the data cache
if (stations != null && stations.Count() > 0)
{
//// If the data is not in the cache then fetch the data from the business logic tier
AggregateCacheDependency cd = DependencyFacade.GetStationSelDependency();
// Store the output in the data cache, and Add the necessary AggregateCacheDependency object
HttpRuntime.Cache.Add(group_key, stations, cd, DateTime.Now.AddHours(UserRegTimeout), Cache.NoSlidingExpiration, CacheItemPriority.High, null);
}
return(stations);
}