All these approaches are great but they lack structure, standards and interoperability required to build large scale enterprise systems. The better persistance approach is to build a database engine on top of Google Datastore (Bigtable) which could be managed via a standard data model and accessed via JDBC and SQL. We have done that at Cloud2db <http://www.cloud2db.com/>. Please check it out. We just converted a database for an opensource issue tracking system called JTRAC <http://www.jtrac.info/> from Mysql to Cloud2db without any change in the datamodel. The JTRAC application uses Hibernate for object to relational mapping. The JTRAC application now runs without a single line of code change against Cloud2db instance on Google Datastore (Bigtable).
On Thu, Mar 11, 2010 at 1:02 PM, Bob <[email protected]> wrote: > I've recently converted from JDO to Twig. I've been able to remove an > optimization hack that queried the datastore every 15 minutes to cache > data from a 1+ minute operation. I can now have end users execute > essentially that same logic in real time. > > Have not tried Objectify so I can't comment on the comparison. From a > framework perspective I'm in the camp of "give me an easy and clean > way to do what I do 80% of the time, and a low-level way to do > anything else I need to do". > > -Bob > > -- > 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]<google-appengine-java%[email protected]> > . > For more options, visit this group at > http://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 [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.
