Specifies a node by an identifier. More...
Import Statement: | import QtOpcUa |
Since: | QtOpcUa 5.12 |
import QtOpcUa 5.13 as QtOpcUa QtOpcUa.NodeId { identifier: "s=Example.Node" ns: "Example Namespace" }
identifier : string
Identifer of the node. The identifier has to be given in one of the followig types.
Type | Example |
---|---|
Numeric | i=23 |
String | s=MyStringIdentifier |
GUID | g=08081e75-8e5e-319b-954f-f3a7613dc29b |
Opaque (base64) | b=UXQgZnR3IQ== |
It is possible but not recommended to include the namespace index ns=X;s=...
. In this case the given namespace index is internally stripped off the identifier and set to the namespace property.
ns : string
Namespace of the node identifier. The identifier can be the index as a number or the name as string. A string which can be converted to an integer is considered a namespace index.
nodeChanged()
Emitted when the underlying node has changed. This happens when the namespace or identifier has changed.
Note: The corresponding handler is onNodeChanged
.
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Licensed under the GNU Free Documentation License, Version 1.3.
https://doc.qt.io/qt-6.2/qml-qtopcua-nodeid.html