It is a hibernate entity so yea it gets a ValueEncoder from hibernate. As
mentioned when I first navigate to the page, it works fine, but after form
submit it breaks...
I will remove return type and try annotation and see if that helps
On Tue, Sep 9, 2014 at 2:33 PM, Thiago H de Paula Figueiredo <
thiag...@gmail.com> wrote:
> On Tue, 09 Sep 2014 04:10:22 -0300, Boris Horvat <horvat.z.bo...@gmail.com>
> wrote:
>
> Hi my methods look like this
>>
>> public boolean onActivate(Scene scene) {
>> selectedScene =
>> scene;//systemManager.getScene(Long.parseLong(scene.toString()));
>> return selectedScene != null;
>> }
>>
>> public Scene onPassivate() {
>> return selectedScene;
>> }
>>
>> I don't have ValueEncoder cause I would expect that conversion works
>> String
>> -> Long -> hibernate gets the id of the object and returns -> MyObject
>> (i.e. Scene in this case).
>>
>
> I don't think your assumption is correct. For onActivate(Scene) to work,
> you need a ValueEncoder for Scene or at least String to Scene coercion.
> Same for onActivate(). As Lance said, if you're using tapestry-hibernate
> and Scene is a Hibernate entity, Scene already has a ValueEncoder
> automatically contributed.
>
> As Lance said, you should never return boolean in onActivate(). It's not a
> component render phase event handler.
>
> I can add one but I would not expect that I needed it, especially since
>> when I first navigate to the page it works without a problem, but when I
>> submit a form it breaks
>> org.apache.tapestry5.ioc.util.UnknownValueException
>> Could not find a coercion from type java.lang.String to type domain.Scene.
>>
>
> This matches what I said above.
>
>
> --
> Thiago H. de Paula Figueiredo
> Tapestry, Java and Hibernate consultant and developer
> http://machina.com.br
>
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>
--
Sincerely
*Boris Horvat*
