When you delete service objects (classes, macros, service node…) and recreate the service you may have run into the issue that none of the service operations were visible.
Here’s how I solved it today when having the same issue. (We had to remove everything or else the problem was not solved)
The problem is that the actions are not gone, but they were linked incorrectly. The AIFAction table contains the operations and also contains the classId of the class where the methods to handle the actions are.
Well as the service objects were deleted and afterwards recreated, the class ID of the service class had been altered. Due to this changed ID, none of the operations were visible on the service.
To fix this, just delete the current records in the AIFAction table for the corresponding service and then we can recreate the actions by calling the AIFServiceGenerationManager class,
Then we can see the operations again in the services form.