I thought this was the very idea of the effect you get by using aggregate instead of composite? Or am I missing something? Doesn't it apply to this use case?
/Niclas David Ward wrote: > Andreas Leitner wrote: > >> On Thu, Sep 19, 2002 at 10:12:09AM -0400, David Ward wrote: >> >> >>> Let me know what you end up doing, as I'm interested in better and >>> better designs. Sorry about the typos - it wasn't a copy/paste so it >>> was bound to be imperfect. >> >> >> >> I will! >> >> Btw, I have one more question regarding trees. Now I have implemented >> the tree as you suggested, >> with the finder to tell about the children. >> >> Is it somehow possible to send the complete hirachy over to the user >> (in form of the top level value object)? >> Because with the current design, I can give the user the top level >> node, for the children he has to contact the server again (invoking >> indirectly the finder method). For the client to put the tree ie into >> a swing tree view, he needs to convert the data once again - something >> which he shouldn't have to do - that's what the value objects are >> there for (IMO). >> >> any ideas, >> Andreas > > > -- > > Yeah, in my mind that's the biggest downfall of the > parent-only-relation/finder-for-children design. I haven't addressed it > in my project yet - but I do have a plan. I'm probably going to > sub-class the xdoclet-generated VO's with one that simply adds the > children heirarchy. I will populate it in the stateless session bean so > the client only has to make one call for all of it to the server. The > thing that still stinks about it is it will still end up being several > database calls. At least it will be done in the scope of a single > Transaction, though. > > *Please* let me know if you figure out something better. > > Thanks, > David > > > > ------------------------------------------------------- > This sf.net email is sponsored by:ThinkGeek > Welcome to geek heaven. > http://thinkgeek.com/sf > _______________________________________________ > Xdoclet-user mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/xdoclet-user -- Niclas Olofsson - http://www.ismobile.com <http://www.ismobile.com> Product Development, isMobile, Aurorum 2, S-977 75 Lule�, Sweden Phone: +46(0)920-75550 Mobile: +46(0)70-3726404 ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ Xdoclet-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/xdoclet-user
