Error on duplicate object_id

[FWuellhorst]

Is your feature request related to a problem? Please describe.
If a device as two attrs with the same object_id, fiware would randomly send the value to only one attr.

Describe the solution you'd like
Warn / throw errors in that case for a device-config.

[djs0109]

Good points! However, regarding the latest function that iotagent provides check here, I would even suggest that the name of attrs can be duplicated but the object_id must be unique

[djs0109]

@tstorek what is your opinion on this?

[tstorek]

@djs0109 Yes, that is correct. The final decision maker is always the object_id. This is also used in the expression language FIWARE provides. The name is just lovely to have for the user. In the database, I think name is even copied to opject_id if omitted.

I would suggest that a device request checks if the object_id is already taken. Hence, for a complete update of the device, the model can check for it, and partial updates would require getting the whole device config first.

However, @FWuellhorst Are you sure that the IoT-Agent is not checking on this in the current version?

[github-actions]

Branch 178-Error-on-duplicate-object_id created!

[djs0109]

Refactor plan:

• Not require object_id
• If object_id is given, it should be unique
• Device attribute name must not be unique