You are creating an new object. Try to get a reference to the object from the list using its object and then run remove(yourobject).
Ramzi On Thu, Nov 5, 2009 at 4:46 PM, Oscar Rodriguez <orodrigu...@speedy.com.ar>wrote: > I just doing this: > > ParentObj parent = dao.get(ParentObj.class, id); > > ChildObj child = new ChildObj(); > child.setId(childId); > > parent.getChildCollection().remove(child); > > dao.save(parent); > > Thanks! > > ----- Original Message ----- From: "Dale Newfield" <d...@newfield.org> > To: <users@appfuse.dev.java.net> > Sent: Thursday, November 05, 2009 6:38 PM > Subject: Re: [appfuse-user] Hibernate collections > > > > On Thu, Nov 5, 2009 at 4:29 PM, Oscar Rodriguez > <orodrigu...@speedy.com.ar> wrote: > >> Hi, sorry if this list is not the correct place to ask this, but when I >> want >> to update a collection (insert or remove an item) hibernate first remove >> all >> items from database and then insert the items in the collection, I don't >> understand why. >> > > Depends on how you update that collection. If you're replacing the > List/Set/etc. with a new List/Set/etc. it doesn't have much choice. > If you take the one with which your object was populated and call > .add(), .remove(), etc on it there's a chance it can be smarter. > > -Dale > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@appfuse.dev.java.net > For additional commands, e-mail: users-h...@appfuse.dev.java.net > > > E-mail clasificado por el Idenfificador de Spam Inteligente. > Para modificar la categoría clasificada acceda a su webmail > > Este mensaje ha sido verificado por el E-mail Protegido. > Antivirus actualizado en 05/11/2009 / Versión: 0.95.2/9994 > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@appfuse.dev.java.net > For additional commands, e-mail: users-h...@appfuse.dev.java.net > >
