hi vadim,
thanks for the feedback. i think we should add this to a 'migration howto'.
btw. i commited a patch optimize the select when querying for proxies. it selects the pks only. the patch does not yet support stored procedures, actually i do not know if it should ?
could you please have a look at SqlGeneratorDefaultImpl#getPreparedSelectPkStatement
thanks jakob
Vadim Gritsenko schrieb:
Hi All,
Here is my OJB 1.0 to 1.1 migration experience on one of the Cocoon based, PersistenceBroker apps. I had no much knowledge on what has changed in OJB 1.1 so thanks to Thomas for some help here.
Following modifications has been done in order to run an app under OJB 1.1:
* New Logger Constructor. OJB now requires presense of Logger(String, LoggingConfiguration) constructor in every logger implementation. Previously, it used Logger(String) constructor. Added new constructor [1].
* Modified ConnectionFactory Interface, New Constructor.
OJB now requires presense of ConnectionFactory(JdbcConnectionDescriptor)
constructor in every ConnectionFactory implementation. ConnectionFactory
interface method signatures changed too. Two new methods added.
It was possible to implement ConnectionFactory in such a way so that
both OJB 1.0 and 1.1 are happy [2].
* Changes in OJB.properties.
Following properties values has been modified:
* IndirectionHandlerClass: IndirectionHandlerDefaultImpl is gone, replaced with IndirectionHandlerCGLIBImpl.
* LockManagerClass Package name changed from o.a.o.odmg to o.a.o.broker.
* LockMapClass InMemoryLockMapImpl renamed to LockMapInMemoryImpl.
* PersistenceFieldClass PersistentFieldDirectAccessImplNew is gone, replaced with PersistentFieldDirectImpl.
Following new properties has been added:
* ProxyFactoryClass org.apache.ojb.broker.core.proxy.ProxyFactoryCGLIBImpl
* LocalCacheClass org.apache.ojb.broker.cache.LocalCache
* OdmgLockManagerClass org.apache.ojb.odmg.locking.LockManagerDefaultImpl
Following old properties has been removed:
* ConnectionFactoryClass * ObjectCacheClass * descriptorBasedCaches
* Changes in repository_database.xml Added <connection-factory/> element (replacing ConnectionFactoryClass property).
After these changes, app seems to start up Ok and appears to be working as before. I did not do any serious testing with OJB 1.1 (yet).
Regards, Vadim
[1] http://svn.apache.org/viewcvs.cgi?rev=164812&view=rev [2] http://svn.apache.org/viewcvs.cgi?rev=164912&view=rev
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