Hi,
I've been playing around with Fluent NH for a couple of days, and I
really, really like what you've done with it - awesome work, and
thankyou!
I have some rough-but-running code for fluently specifying ordering of
child collections, and wanted some thoughts on syntax before I cover
the rest of the cases and hopefully submit a patch sometime this week.
Three possibilities I can see:
1) HasMany<Child>(p => p.Children).OrderBy.Ascending(child =>
child.Name)
This is my personal favourite so far, although I don't have a fully-
working implementation of this particular syntax yet. The syntax and
ideas are borrowed from CascadeExpression, and force you to specify
either .Ascending or .Descending, followed by either a string or
lambda property expression specifying the sort property.
2) HasMany<Child>(p => p.Children).OrderBy(child =>
child.Name).Ascending()
A bit more LINQ-y, but means .Ascending() and .Descending() have to be
chained onto the return from .OrderBy() - which means it's
syntactically possible to add .Ascending() without specifying .OrderBy
(). Alternatively we could use the LINQ OrderBy() / OrderByDescending
() syntax here.
3) HasMany<Child>(p => p.Children).OrderBy(child => child.Name,
Order.Ascending)
- i.e. just throw an enum Order { Ascending, Descending } in there as
a second parameter, defaulting to Ascending if it's omitted. I'd like
to steer clear of using 'bool ascending' which is used elsewhere in NH
- it works fine but isn't clear what the true/false means when you're
reading the resulting code.
Unless anyone has a strong objection or a better idea, I'll go ahead
with approach #1 and see how I get on. Where's the best place to
submit a patch for this if I get something working?
Thanks,
Dylan
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