I don't know about any jdo tool. And how would you generate a class from a schema-less datastore like Google's BigTable?
You can use ID as Long, yes. But you need Key object when need to do atomic transaction between multiple entities. To understand it you *must* read all the topics about the datastore: http://code.google.com/intl/en/appengine/docs/java/datastore/ On 1 dez, 04:30, asianCoolz <second.co...@gmail.com> wrote: > 1.any tool to generate jdo pojo? > 2. any impact of using primary key as long and autoincrement it rather > than using jdo 's key ? I do understand that max autoincrement for > sequence is e+27, how about KEY ? -- 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.
