the Error in using BlobKey that want to import com.google.appengine

how can i solve it ?

On Dec 20, 10:50 pm, "A. Stevko" <andy.ste...@gmail.com> wrote:
> The reason your class instances are not available outside of the app engine
> jvm is that they have been altered/instrumented by the persistence manager.
> See step 3 of this 
> tutorialhttp://www.datanucleus.org/products/accessplatform_1_0/guides/jdo/tut...
> <http://www.datanucleus.org/products/accessplatform_1_0/guides/jdo/tut...>
> There are several approaches to designing around this requirement.
> For pure java - create Data Transfer Objects that match your persistent
> classses. I do this because it provides fine control of the externally
> visible model and not expose the entire internal model.
> Another approach is to use 
> Objectifyhttp://code.google.com/p/objectify-appengine/
> Other people like Gileadhttp://sourceforge.net/projects/gilead/
>
> On Mon, Dec 20, 2010 at 12:29 AM, Ahmed Shoeib <
>
> ahmedelsayed.sho...@gmail.com> wrote:
> > now i want to use this bean class outside server package
> > but i face problem during compilation with ( com.google.appengine )
> > that can't be resolved.
>
> > @PersistenceCapable(identityType = IdentityType.APPLICATION,
> > detachable = "true")
> > public class HTNews {
>
> >       �...@primarykey
> >       �...@persistent(valueStrategy = IdGeneratorStrategy.IDENTITY)
> >        private Key id;
> >       �...@persistent
> >        private String name;
> >       �...@persistent
> >        private String linkUrl;
> >       �...@persistent
> >        private BlobKey imageKey;
> > .....
>
> > is there any way to do that ??
> > please 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-tool...@googlegroups.com.
> > To unsubscribe from this group, send email to
> > google-web-toolkit+unsubscr...@googlegroups.com<google-web-toolkit%2bunsubscr...@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-tool...@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.

Reply via email to