Thanks for both responses. I can see what I am supposed to do, what I don't understand is what is going wrong.
Why when I click on the back button, does the id of my object become invalid? Any pointers in the wicket docs to understand this better? Regards, Pieter BTW> Thanks for a great framework. On Thu, Jan 22, 2009 at 5:44 PM, Igor Vaynberg <igor.vaynb...@gmail.com>wrote: > http://wicketinaction.com/2008/09/building-a-smart-entitymodel/ > > notice the deatch() implementation > > -igor > > On Thu, Jan 22, 2009 at 8:05 AM, pieter claassen <pie...@claassen.co.uk> > wrote: > > I am using wicket 1.3.5 and db4o 7.4.63.11890. > > > > My objects are being passed between pages using a subclass of > > LoadableDetachableModel (see below) > > > > My problem is: > > 1. I edit an object on PageA > > 2. I use the back button and then re-submit the form I edited and now I > have > > two objects in the database. > > > > Any ideas on why this is happening? > > > > Cheers, > > Pieter > > > > > > package com.musmato.wicket.model; > > > > import org.apache.wicket.model.LoadableDetachableModel; > > > > import com.musmato.dao.BaseFactory; > > > > public abstract class BaseWebModel<T> extends LoadableDetachableModel { > > > > private static final long serialVersionUID = 1L; > > > > protected Long id; > > > > public abstract Class<T> getBaseClass(); > > > > public abstract BaseFactory<T> getFactory(); > > > > public BaseWebModel(Long id) { > > this.id = id; > > } > > > > public BaseWebModel(T object) { > > this.id = getFactory().getID(object); > > } > > > > @Override > > protected Object load() { > > > > if (id == null) { > > return getFactory().getNewObject(); > > } > > > > return getFactory().getById(id); > > } > > > > } > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > For additional commands, e-mail: users-h...@wicket.apache.org > >
