I would like to have on @PageActivationContext to return name() instead of
id(). That's the only reason for my ValueEncoder service. Do you happen to know
some other workaround this issue?
> Date: Mon, 17 Jun 2013 23:01:25 -0300
> Subject: Re: Resolving PersistentClass instances mapping to the same entity
> From: thiag...@gmail.com
> To: users@tapestry.apache.org
>
> As the exception says, both HibernateModule.contributeValueEncoderSource()
> and AppModule.contributeValueEncoderSource() are contributing a
> ValueEncoder for a given type and that's forbidden. Do you really need to
> provide your own ValueEncoders? Doesn't the Tapestry-Hibernate provided
> ones suit your needs? If you don need your own ValueEncoders, you can
> contribute them using the MappedConfiguration.override() method instead of
> add(). Otherwise, just don't provide your own ones.
>
>
> On Mon, Jun 17, 2013 at 10:42 PM, Nomen Nomanum <getibi...@outlook.com>wrote:
>
> > Hi. :)
> > I have following case:
> > Article
> > - -
> > - -
> > Fruits Vegetables
> >
> >
> > Fruits and Vegetables inherits Article, and both Fruits and Vegetables
> > have same DiscriminatorValue. Now when I try to do some ValueEncoder magic
> > like in following
> > public class ArticleEncoder implements ValueEncoder< Article>,
> > ValueEncoderFactory< Article> {
> >
> > private LogicDAO logicDAO;
> >
> > @Override
> > public String toClient(final Article v) {
> > return String.valueOf(v.getName());
> > }
> >
> > @Override
> > public Artikal toValue(String string) {
> > Article result = new Article();
> > result = logicDAO.listSpecificArticle(string);
> > return result;
> > }
> >
> > @Override
> > public ValueEncoder< Article> create(Class< Article> type) {
> > return this;
> > }
> > }
> >
> >
> > I get following
> > HTTP Status 500 - Exception constructing service
> > 'ValueEncoderSource': Error invoking service contribution method
> >
> > org.apache.tapestry5.hibernate.HibernateModule.contributeValueEncoderSource(MappedConfiguration,
> > boolean, HibernateSessionSource, Session, TypeCoercer, PropertyAccess,
> > LoggerSource): Service contribution (to service 'ValueEncoderSource')
> > conflicts with existing contribution (by
> > com.google.tapestrySection.teamAlpha.services.AppModule.contributeValueEncoderSource(MappedConfiguration,
> > LogicDAO) (at AppModule.java:1264)).
> >
> > Anyone knows how to hack this issue here? :)
> >
>
>
>
>
> --
> Thiago
