def METHOD_NAME(self, heterGraph, edge_types_list=ALL):
    """Convert the graph into feed_dict.
    This function helps to convert graph data into feed dict
    for :code:`fluid.Excecutor` to run the model.
    Args:
        heterGraph: the :code:`HeterGraph` data object
        edge_types_list: the edge types list to be fed
    Return:
        A dictinary contains data holder names and its coresponding data.
    """
    multi_graphs = heterGraph._multi_graph
    if is_all(edge_types_list):
        edge_types_list = self._edge_types
    feed_dict = {}
    for edge_type in edge_types_list:
        feed_d = self._multi_gw[edge_type].METHOD_NAME(multi_graphs[edge_type])
        feed_dict.update(feed_d)
    return feed_dict