20 Feb
2017
20 Feb
'17
9:30 p.m.
Hi Alexandre,
The CK Metric I am looking for is CBO (Coupling Between Object Classes) for
a class. The entire CK metrics suite was proposed in 1994 and several
measures are controversial in OO software (read more here:
http://www.virtualmachinery.com/sidebar3.htm). So, thinking about my first
request for "CK metrics", it might be hard to decide how to implement all
of these for a general case that is FAMIX.
Looking more into what's in MOOSE, I see that CBO for a class can be
estimated as CBO <= fanIn + fanOut. The "true" CK CBO value should not
count an afferent and efferent link twice if it is to/from the same class
(it's why I use <= in the estimation). See more at
http://stackoverflow.com/a/29877357/1168342 -- I think CBO defined this way
would be easy to calculate for a FAMIX class, but I didn't look at fanIn
and fanOut yet to see when/how/where they're calculated.
I'm not sure how many people would want to see CBO in MOOSE. We're doing
studies involving fault/change proneness, and CBO has been used as a
measure quite often in published research in that area. It's why it would
be useful to us.
Cheers,
C. Fuhrman
On Mon, Feb 20, 2017 at 2:04 PM, Alexandre Bergel <alexandre.bergel(a)me.com>
wrote:
Hi Cris,
Indeed, CK Metrics should be one-click away from a Moose Model.
I have just implemented many of the CK metrics in the latest version of
Moose (I updated Famix-Extensions in fact).
Is this what you had in Mind?
Cheers,
Alexandre
On Feb 20, 2017, at 1:48 PM, Cris Fuhrman <fuhrmanator(a)gmail.com> wrote:
Hello!
I'm wondering if it's in the scope of Moose to get to the standard CK
metrics for a model? It seems it's been done experimentally (
https://pdfs.semanticscholar.org/0eb2/14ec7c6288dc13564580beafc2609b
09118b.pdf) and I also found the momfe paper from 2002 (
http://scg.unibe.ch/archive/projects/Bute02a.pdf) but appeared not to
have all the CK metrics.
I also found the right-click on a Moose Model -> Export -> Export model to
MSE, but there was nothing that looked like standard CK metrics in the
exported file.
We are particularly trying to generate CBO (for a research comparison) for
a few classes and would like to be able to do all our work in Moose if
possible (especially with the visualizations in a RTView).
Cheers,
C. Fuhrman
On Wed, Oct 5, 2016 at 11:58 AM, Hernán Morales Durand <
hernan.morales(a)gmail.com> wrote:
Hi guys,
Do you have good reference links to publications (yours or from other
people) which uses Moose metrics for example in a "Material and Methods"
section?
I mean *not* Moose projects publications (projects derived from Moose),
but those projects which uses Moose analysis to report Cyclomatic
Complexity, Halstead Length, WMC, DIT, CBO, etc . I want to see what and
how people reports metrics for a software project using Moose. If
publication is in a Journal outside of the field of Software Engineering
field that would be better.
Cheers,
Hernán
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