db4o Developer Community

Hello

I need to know how db4o deals with deletet referenced objets. Let's assume an object called MyObject, wich is a direct member of another Object or included in a member set

     class ContainerObject {
         protected MyObject m_myobject = null;
         protected List<MyObject> m_myobject_list = new LinkedList<MyObject>();

        public ContainerObject() {
             m_myobject = new MyObject();
             m_myobject_list.add(new MyObject());
        }  
     }

and the whole ContainerObject was stored in the database (which means the two MyObjects are stored in the same way). If I delete the referenced MyObject in another session, what will be the behavior of db4o.

1:1 reference : does m_myobject is null ?

1:n reference : does m_myobject_list.get(0) returns null or does m_myobjectlist_size() returns 0 
                      (if there was only one object in the set)

Of course I could just check that, but I want to be sure about the formal behavior of db4o (that means I want to rely on it). Thank you, and sorry If I overview some topics of the documentation or if the theme was discussed in another thread

best regards

Arne