Dear Celix Community,

I am currently working on a project using Apache Celix, and I am encountering 
some difficulties related to implementing the Service-on-Demand (SOD) pattern 
in C++. I am looking for an example of how to implement a consumer bundle 
(PLC1/PLC2) that interacts with a service bundle (Pou) using C++. Specifically, 
I need: 

C++ implementation example with SOD similar to the whiteboard pattern example 
provided in link2

(Can you tell me how to make changes based on the example I provided)




The specific requirements for my project are as follows:

The Pou bundle should have two instances that independently serve the PLC1 and 
PLC2 bundles.
For example, if the Pou bundle has a variable count = 0, then calling an 
interface from PLC1 or PLC2 should increment count appropriately, as 
demonstrated below:
PLC1 call: count = count + 1 = 1
PLC1 call: count = count + 1 = 2
PLC2 call: count = count + 1 = 1

Both PLC bundles should be able to call the Pou bundle's service simultaneously.




My project repository is available at 
https://github.com/tonychen0924/CelixTest/tree/main/unitDemo15

Ref:
link1:https://github.com/apache/celix/blob/master/documents/patterns.md#service-on-demand-sod-pattern
link2:https://github.com/apache/celix/tree/master/examples/celix-examples/services_example_cxx
link3:https://github.com/apache/celix/tree/master/bundles/logging/log_admin
link4:https://github.com/apache/celix/tree/master/bundles/logging/log_helper

Thank you for your assistance.


Best regards,
[tony chen]





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