Hi !
I will try to help:
Q1:
If you need only one cascade type value you use the single item notation:
cascade=CascadeType.ALL
You can OR the casace type values:
The following sample will cascade any operation beside a delete (and here you
will need the array notation):
cascade={CascadeType.MERGE, CascadeType.PERSIST, CascadeType.REFRESH}
Q2: I think you don't need to initialize the relationship field with a value.
Set it to null, the container will do the rest.
When you create relationship items you should update both sides of the
relationship.
Something like:
myObject.getOwnedItems.add(unsavedNewOwnedItem);
| unsavedNewOwnedItem.setObject (myObject);
Hope this helps
Wolfgang
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