Because that is a business resposibility and it is about some Italian business I have some difficult to explain you how you can do it in english.Can you send the request to the Italian forum ? http://groups.google.com/group/nh-it
When you will do it, please add some info. about the usecase (when and if you want show the number of the document). 2009/8/29 Mauro Servienti <[email protected]> > Hi Fabio, > > > > Yes, you get it, but not only. We have several document types, other then > invoices and “bolle” such as customer account statements or a document > protocol system (I don’t know how to call in English in Italian is > “protocollo”) and every “document” type has its own id generation logic. > > > > .m > > > > *From:* [email protected] [mailto:[email protected]] *On > Behalf Of *Fabio Maulo > *Sent:* venerdì 28 agosto 2009 23:28 > *To:* [email protected] > > *Subject:* [nhusers] Re: Document number generation > > > > Is it for Italian invoice numbers ? > > even for "bolle accompagnatorie" ? > > 2009/8/28 Mauro Servienti <[email protected]> > > Hi all, > > > > I’m using NH to map a domain that contains some entities that have an > “identification number”, it is not a primary key, it’s just an id number > that has a meaning for the user. A really simple example is the invoice > number. > > > > The important thing is that this id number is always generated and never > assigned by the user. Each entity has its own strategy to generate this “id > number” that has to be generated only at insert time and then is immutable, > which is the best strategy to inject in NH this generation logic? Is an > IInterceptor a viable way? > > > > The simplest generation strategy, just for the records, is the “invoice > number”: > > - Within a transaction… > > - Just before insert a transient invoice look into invoices table > sorting invoices by number descending and filtering by incoming document > year; > > - Take the top number + 1 if one, otherwise take 1; > > - Assign it to the invoice entity; > > - Commit transaction; > > > > I know that I can do all this in my code but I would like to automate the > process at the persistence level. > > > > TIA, best regards. > > .m > > > > > > > > > -- > 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 -~----------~----~----~----~------~----~------~--~---
