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AVEVA™ PI System™ Feedback Portal

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Status No status
Categories General
Created by Randy Giguere
Created on Dec 7, 2023

Adapters using Text parser be able to dynamically generate the stream name or ID based on fields of the text parsed

This could be a good feature for any adapters that uses the text parser. MQTT, SDF, Azure Event Hubs.

When using JsonPath or Xpath to parse a file or payload the stream name and stream id have to be hardcoded their value cannot be based on a the value of a field and we can't make use of the text parser or jsonpath xpath for stream names and Ids.

For example the current payload:

[

{

"Asset": "Truck01",

"Speed": 10,

"Status": "Operating",

"Time": "2023-12-07 00:10:00Z"

},

{

"Asset": "Truck02",

"Speed": 13,

"Status": "Operating",

"Time": "2023-12-07 00:10:10Z"

},

{

"Asset": "Truck03",

"Speed": 0,

"Status": "Stopped",

"Time": "2023-12-07 00:09:00Z"

}

]


The data selection will need to contain an item for each truck and attribute and the value of the Asset cannot be used to dynamically name and Id the stream. Furthermore, if a new truck is added to the payload, it will need to be added to the data selection, the data selection will not dynamically add the streams based on the payload pattern.

This is a feature that is available in a product such as PI Connector for UFL.

These adapters should probably use a similar logic for data selection to the one used for the UFL connector.




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