Nested UnitOfWork and reading newly created objects...

Hi, my understanding is that when using nested UnitOfWork the transactions are not committed to the database until the outer most UnitOfWork is committed.
If a new object is created in a nested UnitOfWork and then a attempt is made to read that object in an outer (or other nested) UnitOfWork (so that it can be used as the parent of another new object) that object is not found because the overall UnitOfWork has not been committed yet.
Is there a way to accomplish this? i.e. access objects that may already exist or have been newly created within a nested UnitOfWork.
Thanks for any help and ideas.
-Tim Watson

Hi Don, yes this works as you describe above ... except we have a little wrinkle in our application regarding instance level access control. If i disable access control checking then the objects are retrieved correctly. But when we have access control enabled the newly created objects are not found. Here's an example of the processing;
1. Create the new object ObjA, in this example ObjA will be a Folder object in the UOW.
2. Create a new Authorization Lookup object that gives permission to the current user to acccess ObjA in the same UOW.
3. Later in the process flow, another object is created in the same UOW, ObjB, that will be a child of ObjA, so we need to lookup ObjA. In our application to do access control we append to the query, via the Expression, additional criteria like this;
"select ... from ... where .... and (t1.ID = t2.ID) and (t2.user_id = 'user') and (bitand(t2.privilege, 2) = 2) and ..."
(t1 being the domain object table and t2 the authorization lookup table)
so when we have this access control added to the query then it can't find the new, and uncommitted objects, but if not using this then it works fine.
Any ideas about this? i know all these objects are registered in the same UOW.
Thanks,
-Tim Watson

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