def __init__(self, alias_name, protocol, port, id=None):
    self.alias_name = alias_name
    self.protocol = protocol
    self.port = port
    self.id = id
def __init__(self, alias_name, protocol, port, id=None):
    self.alias_name = alias_name
    self.protocol = protocol
    self.port = port
    self.id = id