code: public List<MapKeyJoinColumn<ElementCollection<T>>> getAllMapKeyJoinColumn()
     {
        List<MapKeyJoinColumn<ElementCollection<T>>> list = new ArrayList<MapKeyJoinColumn<ElementCollection<T>>>();
        List<Node> nodeList = childNode.get("map-key-join-column");
        for(Node node: nodeList)
        {
           MapKeyJoinColumn<ElementCollection<T>>  type = new MapKeyJoinColumnImpl<ElementCollection<T>>(this, "map-key-join-column", childNode, node);
           list.add(type);
        }
        return list;
     }
docs: Returns all <code>map-key-join-column</code> elements
  @return list of <code>map-key-join-column</code>