Class NodeId

opcua/ua/uatypes.py:261–411

NodeId Object Args: identifier: The identifier might be an int, a string, bytes or a Guid namespaceidx(int): The index of the namespace nodeidtype(NodeIdType): The type of the nodeid if it cannor be guess or you want something special like twobyte nodeid or fourbyte

class NodeId(object):
    """
    NodeId Object

    Args:
        identifier: The identifier might be an int, a string, bytes or a Guid
        namespaceidx(int): The index of the namespace
        nodeidtype(NodeIdType): The type of the nodeid if it cannor be guess or you want something special like twobyte nodeid or fourbytenodeid


    :ivar Identifier:
    :vartype Identifier: NodeId
    :ivar NamespaceIndex:
    :vartype NamespaceIndex: Int
    :ivar NamespaceUri:
    :vartype NamespaceUri: String
    :ivar ServerIndex:
    :vartype ServerIndex: Int
    """

    def __init__(self, identifier=None, namespaceidx=0, nodeidtype=None):

        self.Identifier = identifier
        self.NamespaceIndex = namespaceidx
        self.NodeIdType = nodeidtype
        self.NamespaceUri = ""
        self.ServerIndex = 0
        self._freeze = True
        if self.Identifier is None:
            self.Identifier = 0
            if namespaceidx == 0:
                self.NodeIdType = NodeIdType.TwoByte
            else:  # TwoByte NodeId does not encode namespace.
                self.NodeIdType = NodeIdType.Numeric
            return
        if self.NodeIdType is None:
            if isinstance(self.Identifier, int):
                self.NodeIdType = NodeIdType.Numeric
            elif isinstance(self.Identifier, str):
                self.NodeIdType = NodeIdType.String
            elif isinstance(self.Identifier, bytes):
                self.NodeIdType = NodeIdType.ByteString
            elif isinstance(self.Identifier, uuid.UUID):
                self.NodeIdType = NodeIdType.Guid
            else:
                raise UaError("NodeId: Could not guess type of NodeId, set NodeIdType")

    def __eq__(self, node):
        return isinstance(node, NodeId) and self.NamespaceIndex == node.NamespaceIndex and self.Identifier == node.Identifier

    def __ne__(self, other):
        return not self.__eq__(other)

    def __hash__(self):
        return hash((self.NamespaceIndex, self.Identifier))

    def __lt__(self, other):
        if not isinstance(other, NodeId):