/// <summary>
/// 由数据上下文托管的基于对象表达式的查询
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="expression"></param>
/// <param name="level"></param>
/// <returns></returns>
public static T QuerySingle <T>(this IDataContext dataContext, string expression, Action <DynamicData> fillArg, QueryLevel level) where T : class, IAggregateRoot
{
return(dataContext.RegisterQueried <T>(level, () =>
{
return DataPortal.QuerySingle <T>(expression, fillArg, level);
}));
}
protected override TRoot PersistFind(object id, QueryLevel level)
{
return(DataPortal.QuerySingle <TRoot>(id, level));
}
