/// <summary>
/// 根据条件查找
/// </summary>
/// <returns></returns>
public List <Entity> Query(Exp exp, ListArgs arg)
{
var list = from row in _data
where exp == null || exp.IsMatch(row.Value.Data)
//// TODO: orderby 如何处理？
select row.Value;
return(((arg != null) ? list.Skip(arg.Skip).Take(arg.Max) : list).ToList());
}
public IEnumerable <T> Query <T>(Exp exp = null, ListArgs arg = null)
{
return(_provider.Query <T>(exp, arg));
}
public virtual IEnumerable <T> Query <T>(Exp exp, ListArgs arg)
{
var list = DataSet[_zone].Query(typeof(T), exp, arg);
return(list.Select(o => (T)o.Data));
}
/// <summary>
/// 根据条件查找
/// </summary>
/// <param name="type"></param>
/// <param name="exp"></param>
/// <param name="arg"></param>
/// <returns></returns>
public List <Entity> Query(Type type, Exp exp, ListArgs arg)
{
return(!_data.ContainsKey(type) ? new List <Entity>() : _data[type].Query(exp, arg));
}