Hello! I'm currently writing an app where the datamodel has a set of Category objects with SubCategory children which represents a classification tree. I've now gotten to the stage where I'm attempting to apply these Category and SubCategory objects as attributes of an Item object, but am getting an error that says that once an object has been persisted, you can't create or modify its parent.
That's cool, I'm happy to change my Item class so that instead of having persistent Category and SubCategory items directly as attributes they have the string repesentation of the Category and SubCategory keys - but is this an acceptable design approach? Any thoughts would be greatly appreciated. Thanks! Gemma -- 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 [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
