Instead of use gilead (to me intrusive), you can use Hibernate filter. See http://groups.google.com/group/google-web-toolkit/browse_thread/thread/7e46e8c33e7ee5da
El 26 de enero de 2012 20:56, Sebastian Gurin <sgu...@softpoint.org>escribió: > Hi I developed my web apps gwt and persist the model with hibernate. You > have lot of articles about it > > > http://code.google.com/intl/es-ES/webtoolkit/articles/using_gwt_with_hibernate.html > > my advice: > The main problem you will encounter is compatibility issues between model > object managed by hibernate and gwt rpc java object serialization. > > Hibernate poblate your bean classes using datatypes unsupported by gwt > rpc. Gwt rpc only understand common java type implementations ( like > HashMap, HashSet ) . In particular, in many-relationships, if you configure > hibernate with lazy="false" for automatically loading collection > properties, hibernate will use java.lang.Set implementation unsupported by > gwt rpc serialization. > > I recommend you tu use data transfer objects (DTO) object to wrap your > real model classes. > > If you really wnt to use your existing java model directly with hibernate > and gwt rpc, you have choices: > > 1) use a library like http://noon.gilead.free.fr/gilead/. > 2) do not let hibernate manage collections: > - Use lazy="true" in hiberate > - Make your DAO or BL classes API to provide with methods for > retrieving many-relations - like List<Apple> getApples(long treeId); make > sure those methods return objects compatible with gwt rpc (like LinkedList, > HashSet, etc) > > good look > > On Thu, 26 Jan 2012 11:32:54 -0800 (PST) > odon <odon.d....@gmail.com> wrote: > > > hii... > > i need help ... > > i get problem with save data to database with hibernate. > > when i executed the event, i always get on failure > > this is the code... > > > > Button btn= new Button("create"); > > btn.addClickHandler(new ClickHandler() { > > public void onClick(ClickEvent event) { > > Info info= new Info(); > > info.setId(null); > > info.setUsername(txtbxUsername.getText()); > > > info.setPassword(passwordTextBox.getText()); > > infoService.saveInfo(info, new > AsyncCallback<String>() { > > > > @Override > > public void onSuccess(String > result) { > > // TODO Auto-generated > method stub > > Window.alert("success"); > > > > } > > > > @Override > > public void onFailure(Throwable > caught) { > > // TODO Auto-generated > method stub > > Window.alert("fail"+ > caught.getMessage()); > > } > > }); > > } > > }); > > > > how to make it on success? > > please your help :) > > > > -- > > You received this message because you are subscribed to the Google > Groups "Google Web Toolkit" group. > > To post to this group, send email to google-web-toolkit@googlegroups.com > . > > To unsubscribe from this group, send email to > google-web-toolkit+unsubscr...@googlegroups.com. > > For more options, visit this group at > http://groups.google.com/group/google-web-toolkit?hl=en. > > > > > -- > Sebastian Gurin <sgu...@softpoint.org> > > -- > You received this message because you are subscribed to the Google Groups > "Google Web Toolkit" group. > To post to this group, send email to google-web-toolkit@googlegroups.com. > To unsubscribe from this group, send email to > google-web-toolkit+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/google-web-toolkit?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
