<any> On Sun, Jul 11, 2010 at 10:50 PM, Vekaz Turković <[email protected]> wrote:
> Thank you Diego, I was afraid this will end up unanswered :) That was one > way I considered doing it, but there's also Activities who are, > relationship-wise, the same as notes. Both Notes and Activities will most > probably hold a lot of data. I am afraid that, with so many relationships, > performance might become an issue pretty soon. Would it be possible to use a > denormalized database; Note would hold type and id of the entity it is > attached to? > > > On Sun, Jul 11, 2010 at 11:43 PM, Diego Mijelshon > <[email protected]>wrote: > >> This was discussed last month ( >> http://groups.google.com/group/nhusers/browse_thread/thread/973df7dce9c5e0dc/97d49dac7dc21f85?lnk=gst&q=notes#97d49dac7dc21f85) >> and it is certainly on topic :-) >> >> In short: the model is simple. Several classes have a collection of notes >> (or, more precisely, a List, because the order probably matters). You could >> create an interface (IHaveNotes) to deal with this in your code and make it >> easy to add/retrieve notes from any entity. >> >> Then, you have at least two possible ways to map this: >> - Note is a component type, there is one table per Notes collection >> - Note is an entity, there is one table for the Notes and a many-to-many >> table per each collection, mapped with cascade="all-delete-orphan" >> >> Note that the data implementation should NOT change your model. It's >> always an IList<Note>. >> >> Diego >> >> >> >> On Sun, Jul 11, 2010 at 08:01, moohzor <[email protected]> wrote: >> >>> Hi, >>> >>> This isn't strictly nhibernate related, but I thought this would still >>> be the right place to ask. >>> >>> I have a Note entity, related to almost all other entities (you can >>> attach a note to pretty much anything else). All these entities have a >>> property to hold a collection of notes (but notes don't have to have >>> reference to the entity they're related to). I don't know how to best >>> model this in the database and map in hbm. How would you do this? >>> >>> Thanks in advance. >>> >>> -- >>> 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]<nhusers%[email protected]> >>> . >>> For more options, visit this group at >>> http://groups.google.com/group/nhusers?hl=en. >>> >>> >> -- >> 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]<nhusers%[email protected]> >> . >> For more options, visit this group at >> http://groups.google.com/group/nhusers?hl=en. >> > > -- > 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]<nhusers%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/nhusers?hl=en. > -- 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.
