Connectivity Software User's Guide and Reference
SparkplugEdgeNodeDescriptor Constructor(String,String)



OpcLabs.EasySparkplug Assembly > OpcLabs.EasySparkplug Namespace > SparkplugEdgeNodeDescriptor Class > SparkplugEdgeNodeDescriptor Constructor : SparkplugEdgeNodeDescriptor Constructor(String,String)
The Sparkplug group ID.

The value represents a Sparkplug group ID, or a filter for Sparkplug group IDs. It must be a string with valid UTF-8 characters except for the reserved character '/' (forward slash). Characters '+' (plus) and '#' are filters, and can only be used when they are the single character in the string.

The value of this parameter cannot be null (Nothing in Visual Basic).

The Sparkplug edge node ID.

The value represents a Sparkplug edge node ID, or a filter for Sparkplug edge node IDs. It must be a string with valid UTF-8 characters except for the reserved character '/' (forward slash). Characters '+' (plus) and '#' are filters, and can only be used when they are the single character in the string.

The value of this parameter cannot be null (Nothing in Visual Basic).

Initializes a new instance of the class with the specified group ID and edge node ID.
Syntax
'Declaration
 
Public Function New( _
   ByVal groupId As String, _
   ByVal edgeNodeId As String _
)
'Usage
 
Dim groupId As String
Dim edgeNodeId As String
 
Dim instance As New SparkplugEdgeNodeDescriptor(groupId, edgeNodeId)
public SparkplugEdgeNodeDescriptor( 
   string groupId,
   string edgeNodeId
)
public:
SparkplugEdgeNodeDescriptor( 
   String^ groupId,
   String^ edgeNodeId
)

Parameters

groupId
The Sparkplug group ID.

The value represents a Sparkplug group ID, or a filter for Sparkplug group IDs. It must be a string with valid UTF-8 characters except for the reserved character '/' (forward slash). Characters '+' (plus) and '#' are filters, and can only be used when they are the single character in the string.

The value of this parameter cannot be null (Nothing in Visual Basic).

edgeNodeId
The Sparkplug edge node ID.

The value represents a Sparkplug edge node ID, or a filter for Sparkplug edge node IDs. It must be a string with valid UTF-8 characters except for the reserved character '/' (forward slash). Characters '+' (plus) and '#' are filters, and can only be used when they are the single character in the string.

The value of this parameter cannot be null (Nothing in Visual Basic).

Exceptions
ExceptionDescription

A null reference (Nothing in Visual Basic) is passed to a method that does not accept it as a valid argument.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

Remarks

 

Sparkplug is a trademark of Eclipse Foundation, Inc. "MQTT" is a trademark of the OASIS Open standards consortium. Other related terms are trademarks of their respective owners. Any use of these terms on this site is for descriptive purposes only and does not imply any sponsorship, endorsement or affiliation.

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

See Also