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From Pinaki Poddar <>
Subject Re: small increments
Date Wed, 03 Jun 2009 17:11:59 GMT

  A previous discussion [3] led to the conclusion that OpenJPA should
continue supporting JDK5 runtime. But OpenJPA libraries itself are compiled
with JDK6 compiler. Certain parts of JPA 2.0 specification is making it
mandatory that JPA applications compile and run only in JDK6 -- and we are
trying to make those parts of the specification optional to retain the
ability to support JDK5 runtime. 

The major issue to move to JDK6 was supporting JDBC4 (refer OPENJPA-5 [1]). 
Also, readability can be improved and a degree of type-safety can be
achieved by more widespread usage of generics throughout the core OpenJPA
codebase [2]. Some of the suggestions in your post has been addressed in

  Please note that Numbers.valueOf() caches. Not exactly same as
In any case, smaller commits/patches are preferred to the larger ones.


Pinaki Poddar            
OpenJPA PMC Member/Committer
JPA Expert Group Member
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