code: public List<JoinColumn<ManyToOne<T>>> getAllJoinColumn()
     {
        List<JoinColumn<ManyToOne<T>>> list = new ArrayList<JoinColumn<ManyToOne<T>>>();
        List<Node> nodeList = childNode.get("join-column");
        for(Node node: nodeList)
        {
           JoinColumn<ManyToOne<T>>  type = new JoinColumnImpl<ManyToOne<T>>(this, "join-column", childNode, node);
           list.add(type);
        }
        return list;
     }
docs: Returns all <code>join-column</code> elements
  @return list of <code>join-column</code>