Piéroni Raphaël wrote:
Hello,
I have not so much time, but i am volunteering on this if some one can point
me to the 'dependency graph api'.
And i needed some idea of code to work at home. this one is especially
insterresting part (obviously the prolog one - Steve, if you can point me to
the java-prolog library you know. the only one i know (and never used) is
http://sourceforge.net/projects/amine-platform)
There are a couple attempts on graphing that have been merged and the
code is available in the Mojo project:
http://svn.mojo.codehaus.org/trunk/mojo/mojo-sandbox/maven-graphing/
Jung is a fine graphing library and it's BSD licensed and is what we
intend to use for graph visualization. You can find it here:
http://jung.sf.net
Joekim and myself have been playing around with this and Joekim has
something that looks pretty cool already. I highly recommend you look in
there before attempting to start something different.
The source for the graphs will come from the Maven Repository Manager
which will have a pluggable mechanism for performing any sort of
analysis on the repository you wish. There is a mechanism now for
walking around the repository which we are currently using for indexing
the contents of a repository.
Regards,
Raphaël
2006/2/7, Steve Loughran <[EMAIL PROTECTED]>:
I personally think an interesting project for someone with time on their
hands would be to write some code to walk the repository and derive
useful facts from the dependency graph. I know this is on Brett's todo
list, but it doesnt actually need repository/CVS access, and could be
written by anyone.
Things you could do with the right tool
-reverse analysis, who uses "junit", or junit-3.7
-cycle detection; who depends on a dependency
-missing artifacts: what depends on things that arent there (split into
sun, OSS, proprietary)
-scale: who depends on the most stuff
-stability: who is most bleeding edge, versus trailing
output: generate fancy SVG graphs from it, or RDF triples for the fun of
it.
Having just been doing complex graph work in Java, I'd actually consider
using Prolog for working with the dependency graph; the plugins for java
are usually LGPL or GPL based though, especially the working ones (like
JLog).
-steve
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jvz.
Jason van Zyl
jason at maven.org
http://maven.apache.org
A man enjoys his work when he understands the whole and when he
is responsible for the quality of the whole
-- Christopher Alexander
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