def get_application_names(topology, node):
    """Return a list of names of applications deployed on a node

    Parameters
    ----------
    topology : Topology
        The topology
    node : any hashable type
        The ID of the node

    Returns
    -------
    application_names : list
        A list of application names
    """
    return [] if 'application' not in topology.node[node] \
              else list(topology.node[node]['application'].keys())