JBossCMP becomes cooler. Now it supports Unknown primary keys (Refer to EJB2.0 spec 
10.8.3 for details).

To make use of this feature, entity beans must have prim-key-class declared as 
java.lang.Object and no primkey-field in ejb-jar.xml. 
To set up unknown primary key, the new optional unknown-pk element is used in 
jbosscmp-jdbc.xml. (See jbosscmp-jdbc_3_0.dtd for details). 
If unknown-pk element is omitted in jbosscmp-jdbc.xml, the default one from 
standardjbosscmp-jdbc.xml will be used. 
The default (and the only for now) key generator factory is
UUIDKeyGeneratorFactory. It's deployed as a service (in default and all 
configurations) and bound to the global JNDI context.
Other key generator factory implementations are welcome! 

The feature is available in CVS HEAD version.

-- 
Alex Loubyansky




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