How to get master key for strong composition detail

Hi all,
My Offline Database Diagram that I have drawn with JDeveloper uses the cascading delete option in foreign keys. When the master will be deleted, its details should be deleted as well. This has resulted in strong composition relationships between master and details.
These relationships are covered by ADF BC Entity Associations and View Links.
But what strikes me is that both AppModule tester and the JHeadstart first-cut application are not able to insert a new detail? They respond with:
JBO-25030: Failed to find or invalidate owning entity
I found an article of Steve Muench discussing this topic with a bare BC4J Java sample. How do I get this in my master/details Entity Impl's context? How can I get the key of the selected master in the create() method of the detail (Steve Muench selects the first row in the table)?
I can't get rid of the strong association relationship in the Entity Association. It is automatically switched on when I switched it off.
Anyone to help?
thanks in advance,
Martijn Peters

Hi Markus,
Thanks for your reply. Your hints describe how to manually set up a master-detail relationship at the View Objects level.
Does this also work for master-detail entity objects that have a strong composition through CASCADE DELETE on the foreign keys in the database?
What surprises me is that the BC4J wizard uses different approaches for creating a master with details with or without CASCADE DELETE.
I would not expect different behavior for the create() operation in BC4J. I would only expect different behavior for remove() operations.
Moreover it is strange that the generated View Objects can not be altered and that we depend on a workaround you described.
Is their no risk for BC4J corruption when the master is deleted with the BC4J tester and that the database CASCADE deletes the details?
JDeveloper 10.1.2 provides a pretty tool for designing and maintaining a database schema though an Offline Database Diagram.
It shows the CASCADE DELETE option on foreign keys as a strong composition in an object oriented fashion.
The ADF BC wizard is very powerful in making an object oriented abstraction of the database schema.
However it seems to me that ADF BC does not seamlessly fit regarding compositions.
Switching on CASCADE DELETE in the database causes master-details pages in JHeadstart to disfunction.
Need this be improved in BC4J or am I wrong in the implied concepts?
What Java code can I add in the create() methods of my Entity Object subclasses to get the same behavior of regular master-detail objects creation?
Martijn Peters

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