Mapping composite collections

[Laurie Harper]

I'm a bit at a loss on this one :-) I have a class whose properties are 
collections of entries defined by an inner class. I can see how to map 
the inner class onto a database table directly, but not how to either 
map or populate the outer class.

Here's a trimmed down sample of the code I have:

public class Results {
    public class Entry {
        private Race race;
        private Driver driver;
        private short result_type; // race or practice
        private int position;
        private long time;
    }
    private List<Entry> practiceResults;
    private List<Entry> raceResults;
}
So, mapping Results.Entry would be no problem but how do I map Results 
itself? I'd rather be able to materialise an instance of Results 
directly, rather than have to do a pair of collection queries on 
Results.Entry and build a Results instance from them...

Am I stuck with mapping Results.Entry and managing Results instances 
manually or does OJB have a way to do this for me?

Thanks for any suggestions!

L.



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