AppEngine: database annotations JDO or JPA

I am no expert and frankly I don't understand the differences, but
looking at the following comparison it SEEMS like JDO is a better
choice...

http://db.apache.org/jdo/jdo_v_jpa.html

One of the concerns would be switching back to Hibernate some day when
DataStore upsets me (and it upsets me a lot).

Please let me know what you decided to use yourself.



by Uki D. Lucas on Sunday, October 04, 2009
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apt quotation..

“A man should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects.”  by Robert A. Heinlein (author, aeronautical engineer, and naval officer)