SolarMetric has release version 3.0 of Kodo, their JDO implementation. I used Kodo on my last project and really liked it. Its ability to reverse engineer a database schema into a set of classes saved us a huge amount of time and effort.
This release adds a lot of very cool new features that address a lot of the shortcomings that I encountered with version 2.5. At the top of this list include:
- More hooks for controlling the reverse mapping output (class/method/field names).
- Aggregates and projections in queries (yahoo!) . count, sum, min, max, and avg are built in, and you can create your own custom functions.
- Now supports direct SQL queries (you can give Kodo your own query and it will return the resulting JDO objects)
- More control over handling of very large result sets (using cursors).
- Many more object-relational mapping options
- Better cache locking, which is supposed to increase concurrent access speed
All told, this is good stuff!
1:01:18 PM 
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