Querying Complex Data Structure in Memory

udr.bytesin > 1000 && (udr.analysis.discrepency > 100000 || udr.analysis.discrepency_percent > 100) && udr.started_date > '2008-11-10 22:00:44' order by udr.analysis.discrepency DESC LIMIT 10

class Udr { // formatted for space
    public int BytesIn { get; set; }
    public UdrAnalysis Analysis { get; set; }
    public DateTime StartedDate { get; set; }
}
class UdrAnalysis {
    public int Discrepency { get; set; }
    public int DiscrepencyPercent { get; set; }
}
static class Program {
    static void Main() {
        Udr[] data = new [] {
              new Udr { BytesIn = 50000, StartedDate = DateTime.Today,
                 Analysis = new UdrAnalysis { Discrepency = 50000, DiscrepencyPercent = 130}},
              new Udr { BytesIn = 500, StartedDate = DateTime.Today,
                 Analysis = new UdrAnalysis { Discrepency = 50000, DiscrepencyPercent = 130}}
        };
        DateTime when = DateTime.Parse("2008-11-10 22:00:44");
        var query = data.AsQueryable().Where(
            @"bytesin > 1000 && (analysis.discrepency > 100000
                || analysis.discrepencypercent > 100)
                && starteddate > @0",when)
            .OrderBy("analysis.discrepency DESC")
            .Take(10);
        foreach(var item in query) {
            Console.WriteLine(item.BytesIn);
        }
    }
}

static IEnumerable<Foo> ReadFoos(string path) {
        return from line in ReadLines(path)
               let parts = line.Split('|')
               select new Foo { Name = parts[0],
                   Size = int.Parse(parts[1]) };
    }
    static IEnumerable<string> ReadLines(string path) {
        using (var reader = File.OpenText(path)) {
            string line;
            while ((line = reader.ReadLine()) != null) {
                yield return line;
            }
        }
    }