Hi, I am also a big fan of Objectify: simple to understand, efficient, light-weight, open source. (+ very well documented!). I abandonned JDO / JPA for it.
Before starting with jdo / jpa, you should read this thread (posts by Ikai Lan from Google especially): future of JDO / JPA on GAE doesn't look so bright. Read http://groups.google.com/group/google-appengine-java/browse_thread/thread/defc6d14445318b8/75a1e7b5bcbc1bb3#75a1e7b5bcbc1bb3 good luck regards didier On Jan 4, 8:16 pm, John <[email protected]> wrote: > If your app is only for GAE (it will not need to run in a 'standard' Java > Web App container) Objectify > <http://code.google.com/p/objectify-appengine/>provides annotation-based > persistence with a very thin layer over the GAE > datastore. There are certainly limitations with JPA/JDO. My preference is > JDO for portable code, as it is more consistent with a non-SQL database. > Among the more annoying limitations in JDO is the prohibition of > superclass-table inheritance. -- 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.
