The one that works is dependent upon the JDO reference implementation so it not always an acceptable option. This one works by using OJB as a plugin back end to the reference implementation. It is full compatible but not fully convenient (right now it requires maintaining .jdo and the repository_user.xml both). The licensing issue is also a potential problem as you have to contact Sun and ask permission to use the JDORI for commercial production use. Everyone I know of who has asked has received permission.
The second implementation is the OJB-native implementation. If your release target is anytime soon, don't use this yet. Many functions are still just stubs. Everything that we need to finish putting together the OJB-native JDO impl is in place -- locking down bugs and boosting performance for 1.0 has just been higher priority than filling in the stubs for JDO.
-Brian
On Monday, November 10, 2003, at 10:39 AM, Sergey V. Oudaltsov wrote:
Hello folks
We are starting some project and would love to use some JDO implementation. We like ojb (well, just looking at the docs and the site:) - but concerned about the level of compatibility with Sun specs. We could not find any info on that subject on the web site - so could please anyone give any comments on this? I know, currently it is only a plugin - but is there any "compatibility status" for it?
Thanks in advance,
-- Sergey
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