Hello,

Just returning to this topic.

As most of the metrics are not described at the Fame level we are losing this information when we export a model to MSE in Moose. We know that most of the metrics can be recalculated in the model, but in some cases they cannot.
For example, when exporting in Moose a Java (VerveineJ) model we lose the metrics cyclomaticComplexity (CYCLO) and numberOfStatements (NOS) and we cannot recalculate them.

So, to avoid it, I changed some metrics (some I think are important, but we can change them if we integrate in Moose) to be described at the Fame level and like that we can export them into a MSE. In this case, as the we could have a huge MSE, I implemented a filter and you can select the metrics to be exported through a wizard. It solves, for example, the lose of information with VerveineJ if you decide to export CYCLO and NOS.

To try you can run the script below and the right-click in a MooseModel and: Import / Export -> Export model to MSE with metrics. Use the last version of Merlin.

Gofer new
    squeaksource: 'FameImportExportEx';
    package: 'Fame-ImportExport-Extensions';
    package: 'Fame-ImportExport-Extensions-MSE';
    load.

regards,

On Thu, Jun 23, 2011 at 3:32 PM, Stéphane Ducasse <stephane.ducasse@inria.fr> wrote:
> At one point metrics were described in the meta-model but then MSE files were very large, slow to export (because you have to compute all metrics), and slow to load (this was a long time ago). We decided to remove them from the Smalltalk MSE export (although the MSE importer can still handle metrics and other data, like for example when importing from infusion/verveinej).

but even in Smalltalk you need to keep loc

> Now is the interface to select what to export/import functional?

I do not know but this is something you we should definitively do
       : select what to save
       : select the format
       -> tab separated, mse, xml


> That would be the way to go. Then describe metrics as part of a Fame package 'Metrics', then we can select group of data by package. I would still like to be able to not export metrics in the MSE file.
>
>
> On 22 juin 2011, at 15:27, Stéphane Ducasse wrote:
>
>> Hi guys
>>
>> I could not find metrics in the saved MSE metrics like LOC that cannot be computed by moose.
>> Are metrics saved? I remember writing tests to make sure that this was correct.
>>
>> In addition it would be good to be able to select some metrics to be exported to other formats.
>>
>> Stef
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> --
> Simon Denier
>
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