code: public List<DataSourceType<WebFragmentType<T>>> getAllDataSource()
     {
        List<DataSourceType<WebFragmentType<T>>> list = new ArrayList<DataSourceType<WebFragmentType<T>>>();
        List<Node> nodeList = childNode.get("data-source");
        for(Node node: nodeList)
        {
           DataSourceType<WebFragmentType<T>>  type = new DataSourceTypeImpl<WebFragmentType<T>>(this, "data-source", childNode, node);
           list.add(type);
        }
        return list;
     }
docs: Returns all <code>data-source</code> elements
  @return list of <code>data-source</code>