Thank you for the reply. I'm seeing "InheritanceStrategy.SUBCLASS_TABLE" for the very first time, therefore most likely I didn't set up the storage strategy properly. I will get back to this approach soon, so I will definitely let you know whether it helped or not.
Thanks again, regards J. Záruba On May 18, 1:47 pm, Didier Durand <durand.did...@gmail.com> wrote: > Hi, > > Did you correctly parametrize the storage strategy for inheritance at > the root level of your hierarchy tree: > checkhttp://www.datanucleus.org/products/accessplatform/jdo/orm/inheritanc... > andhttp://code.google.com/appengine/docs/java/datastore/dataclasses.html... > > I remember having such a problem before defining correct storage > strategy. > > Let us know if it helps > > didier > > On May 18, 12:42 pm,JaroslavZáruba<jaroslav.zar...@gmail.com> > wrote: > > > > > > > Hello > > > Following is what I get after adding new field to my class: > > -- > > org.datanucleus.jdo.exceptions.ClassNotPersistenceCapableException: The > > class "net.jzaruba.appengine1.Article" is not persistable. This means that > > it either hasnt been enhanced, or that the enhanced version of the file is > > not in the CLASSPATH (or is hidden by an unenhanced version), or the > > Meta-Data/annotations for the class are not found. > > -- > > > Until now the Article got persisted without any issues. > > The newly added field has generic type as its supertype. > > Is there anything suspicious in my code? > > > Article: > > > @PersistenceCapable(detachable="true") > > public class Article > > extends HasKey > > { > > // ... > > > @Persistent(defaultFetchGroup = "true") > > @Extension(vendorName = "datanucleus", key = "gae.unindexed", > > value="true") > > private ArticleCategoryIndex tagIndex = null; > > // has getter and setter below (gets assigned and populated only > > when > > non-empty) > > > // getters, setters, ... > > > } > > > ArticleCategoryIndex: > > > @PersistenceCapable > > public class ArticleCategoryIndex > > extends EntityIndex<Article, Category> > > { > > ArticleCategoryIndex(Article article) > > { > > super(article); > > } > > > } > > > EntityIndex: > > > @PersistenceCapable > > public abstract class EntityIndex<E extends HasKey, I extends Object> > > { > > @PrimaryKey > > @Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY) > > private Key key; > > > @Persistent > > @Extension(vendorName="datanucleus", key="gae.parent-pk", > > value="true") > > private Key parentKey; > > > @Persistent > > private List<I> items = new LinkedList<I>(); > > > public EntityIndex(E entity) > > { > > setParentKey(entity.getKey()); > > } > > > // getters, setters, ... > > > } > > > Could anyone tell me what I am doing wrong here, please? > > > Regards > > J.Záruba > > > -- > > You received this message because you are subscribed to the Google Groups > > "Google App Engine for Java" group. > > To post to this group, send email to google-appengine-j...@googlegroups.com. > > To unsubscribe from this group, send email to > > google-appengine-java+unsubscr...@googlegroups.com. > > For more options, visit this group > > athttp://groups.google.com/group/google-appengine-java?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine for Java" group. > To post to this group, send email to google-appengine-j...@googlegroups.com. > To unsubscribe from this group, send email to > google-appengine-java+unsubscr...@googlegroups.com. > For more options, visit this group > athttp://groups.google.com/group/google-appengine-java?hl=en. -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
