Option 2 - ctor with target version sounds the best. You could name pre3
version enum "Version1" and the new format "Version2" so it's not linked to
FB version.
A nice to have would be to have default enum value be "DetectVersion" which
would do the roundtrip server check.

On 17 July 2017 at 14:18, Jiří Činčura <j...@cincura.net> wrote:

> Hi *,
>
> Firebird 3 changed the format for trace configuration (yeah, I know) and
> thus the FbTrace now needs to handle this. I'm currently banging my head
> how to nicely present it to you - developers. I came up with these
> solutions.
>
> 1. Provide 2 methods for starting. Like StartPre3 and Start. I like that
> it's discoverable from IntelliSense. And it's just a different method to
> call for developer.
> 2. Have Start method or ctor take enum with target version. Not sure
> about the naming though. Putting "3" might become confusing when v4
> comes out (hopefully without format change).
> 3. Have different FbDatabaseTraceConfiguration classes and developer
> needs to instantiate correct one. I don't feel this is a clean design
> (not that the format change was a good design...).
> 4. Have a FbTrace and FbTrace3 (for example). Again as in 3. Maybe bit
> easier to discover. Don't like the idea of another class that will be
> there "forever".
> 5. Before connecting automagically check server version. Although most
> pleasant from outside, I don't like the idea of extra roundtrip to get
> this information.
>
> Ideas?
>
> --
> Mgr. Jiří Činčura
> https://www.tabsoverspaces.com/
>
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