Closed NakWarsi closed 5 years ago
You have to look at the prototype branches like https://github.com/OPCFoundation/UA-.NETStandard/tree/prototyping-pubsub
--cos
@cpipero I hope you agree with me but this implementation tightly merges PubSub
and OPC UA
together. Based on my experience described here:
OPC UA Makes Reactive Object Oriented Internet Possible
it could make impossible migration of the OPC UA
down to field level.
From the described proof of concept related to HMI
based on a small mobile device (Android based), we can learn that implementation of the PubSub
as an independent pluggable component is feasible and thanks to the loosely coupled architecture based on the application composition it is scalable, i.e. we are able to freely select components (i.e. encoding, transport, data source, data destination, etc.) required in a selected application without necessity to touch the code and return to the development stage.
Additionally, thanks to this approach (composition) we can design application as adaptable at the deployment stage. More about adaptive programming you can learn here:
This code I am using as an example for my lecture and lab.
Work on decoupling the whole OPC UA stuff to promote separation of concerns approach.
Hope it helps.
Thank You @cpipero that branch code sample is really helpful, thanks to you @mpostol for sharing amazing resource
I was looking for PubSub sample code for but couldn't find any, is there any sample code available ??