Read-only node

This node type shall be used for data that can only be read and not written to. The HIM node type name is ro.

Nodes of the type ro must have the following mandatory metadata:

  • Name
  • Type
  • Datatype
  • Description

For more information, see the Common Rule Set: Mandatory Metadata.

Besides the mandatory metadata mentioned above, the following optional metadata may be used

  • Unit
  • Min
  • Max
  • Allowed
  • Comment

For more information, please see the Common Rule Set: Optional Metadata.

This node type must have a node of type branch as parent, and must not have any children.

An example of the specification of a ro node is given below.

Name:
  type: ro
  datatype: string
  description: The name of a vehicle occupant.