Thomas,
I was wondering if you'd been able to determine the right way to proceed with this. If I understood correctly before, the JDO layer is broken and has been for some time. But that can't be right, since other people are using JDO. Regardless, I hope you find the solution; it's kind of hard to use JDO when it's read-only :-). Thanks.
Thomas Mahler wrote:
Hi Ketan,
Ketan Gangatirkar wrote:
Thomas,
I've been stepping through the OBJ JDO and JDORI code. I have determined that the PersistenceCapable objects never are assigned a StateManager (member jdoStateManager) when they are assembled from a row result.
That's exactly the problem! I'm currently researching how to solve this issue.
When an object is created and persisted, it does get assigned a StateManager, but I see no corresponding assignment for objects fetched from the DB.
I does does happen when objects are retrieved by Identity in OjbStoreManager.fetch.
But it does not happen when loading object via a query or a whole Extent.
I'm currently trying to implement the StateManager assignment in OjbExtent too. But it's not as easy as I hoped...
I'll need a closer look at the JDORI again...
cheers, Thomas
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