def METHOD_NAME (cls, url, flags=c.READ, session=None, ttype=None) :
    '''
    url:       saga.Url
    flags:     saga.replica.flags enum
    session:   saga.Session
    ttype:     saga.task.type enum
    ret:       saga.Task
    '''
    if not flags : flags = 0
    _nsdirec = super (LogicalDirectory, cls)
    return _nsdirec.METHOD_NAME (url, flags, session, ttype=ttype)