Node QML Type▲
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Import Statement: import QtOpcUa
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Since:: QtOpcUa 5.12
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Inherited By:: MethodNode and ValueNode
Detailed Description▲
import QtOpcUa as QtOpcUa
QtOpcUa.Node {
nodeId : QtOpcUa.NodeId {
identifier: "s=Example.Method"
ns: "Example Namespace"
}
connection: myConnection
}Property Documentation▲
Status : enumeration▲
Status of a node.
|
Constant |
Description |
|---|---|
|
Node.Status.Valid |
Node is ready for use |
|
Node.Status.InvalidNodeId |
Node id is invalid |
|
Node.Status.NoConnection |
Not connected to a server |
|
Node.Status.InvalidNodeType |
Node type on the server does not match the QML type |
|
Node.Status.InvalidClient |
Invalid connection client |
|
Node.Status.FailedToResolveNode |
Failed to resolve node |
|
Node.Status.InvalidObjectNode |
The object node is invalid or its type does not match the expected type |
|
Node.Status.FailedToReadAttributes |
Failed to read attributes |
|
Node.Status.FailedToSetupMonitoring |
Failed to setup monitoring |
See Also▲
See also status, errorMessage
browseName : string▲
The browse name of the node. In case the information is not available an empty string is returned.
connection : Connection▲
The connection to be used for node instances. The node will automatically be accessible when the associated connection has established a connection to a server.
If this property is not set, the default connection will be used, if any.
See Also▲
See also Connection, Connection::defaultConnection
description : LocalizedText▲
The description of the node. In case the information is not available a default constructed LocalizedText is returned.
displayName : LocalizedText▲
The localized text of the node. In case the information is not available a default constructed LocalizedText is returned.
[read-only] errorMessage : string▲
[since 5.13] eventFilter : EventFilter▲
An event filter allows monitoring events on the server for certain conditions.
This property was introduced in Qt 5.13.
See Also▲
See also EventFilter
[read-only] nodeClass : QOpcUa::NodeClass▲
The node class of the node. In case the information is not available QtOpcUa.Constants.NodeClass.Undefined is returned.
nodeId : NodeId▲
ID of the node on the server to be used. This can be an absolute node ID or a relative node ID.
See Also▲
See also NodeId, RelativeNodeId
[read-only] readyToUse : bool▲
This property returns whether the node is ready to use. This happens once after a successful connection to a server was established and the node was successfully set up.
[read-only] status : Status▲
Current status of the node. The node is only usable when the status is Valid. In any other case it indicates an error.
See Also▲
See also errorMessage, Status