and even transformed a value-object to an entity... ...and think that I ask ConfORM's users to think about the domain just thinking in OO without worrying about persistence... bah?!?!?
On Mon, Apr 25, 2011 at 12:48 PM, Fabio Maulo <[email protected]> wrote: > blah!!! composite-id brrrrrrrrrrrrrrrrrrrr > > > On Mon, Apr 25, 2011 at 11:57 AM, Øyvind Valland <[email protected] > > wrote: > >> For anyone who's interested, I got a solution for this with some help from >> the guys on SO - >> http://stackoverflow.com/questions/5728741/preventing-delete-insert-when-modifying-many-to-many-relationship-with-nhibernate >> . >> >> Fabio's (very good) suggestion of using an IdBag would have done the trick >> - but I didn't want to mix FluentNH with HBM, so I chose to map another >> component with a composite id. >> >> >> On 22 April 2011 18:13, Øyvind <[email protected]> wrote: >> >>> Hello, >>> >>> I still haven't been able to figure out why this happens. I anyone >>> able to offer any pointers? Any help would be much appreciated. Or >>> please just tell me if my question is too difficult or too stupid. >>> >>> Thank you, >>> Øyvind >>> >>> On Apr 20, 1:02 pm, Øyvind <[email protected]> wrote: >>> > Hello, >>> > >>> > I've got a user and a place entity, and a relationship mapped between >>> > them using a 'UserPlace' entity (A user can belong to many places). >>> > The mapping, with FluentNH, is below. This works fine, but I've >>> > noticed that every time I modify a User's UserPlace (setting a place >>> > as default or selected) the entire collection of UserPlace is first >>> > deleted from the database, and then reinserted. I assume it's because >>> > NHibernate doesn't know enough about what distinguishes one row from >>> > another, so how can I change my mapping to prevent a complete deletion >>> > and re-insertion of all rows? >>> > >>> > public class UserMap : ClassMap<User> >>> > { >>> > HasMany(x => x.Neighbourhood) >>> > .Component(c => >>> > { >>> > c.Map(x => x.IsDefault).Not.Nullable(); >>> > c.Map(x => x.Selected).Not.Nullable().Default("0"); >>> > c.References(x => x.Place).Fetch.Join(); >>> > } >>> > ).Not.LazyLoad().Cascade.SaveUpdate(); >>> > >>> > >>> > >>> > >>> > >>> > >>> > >>> > } >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "nhusers" group. >>> To post to this group, send email to [email protected]. >>> To unsubscribe from this group, send email to >>> [email protected]. >>> For more options, visit this group at >>> http://groups.google.com/group/nhusers?hl=en. >>> >>> >> >> >> -- >> Visit my blog at http://www.babel-lutefisk.net >> >> -- >> You received this message because you are subscribed to the Google Groups >> "nhusers" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]. >> For more options, visit this group at >> http://groups.google.com/group/nhusers?hl=en. >> > > > > -- > Fabio Maulo > > -- Fabio Maulo -- You received this message because you are subscribed to the Google Groups "nhusers" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/nhusers?hl=en.
