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From "Robert Burrell Donkin" <robertburrelldon...@gmail.com>
Subject Re: [server.trunk] dependencies visualization
Date Wed, 13 Aug 2008 19:41:04 GMT
On Wed, Aug 13, 2008 at 12:37 PM, Stefano Bagnara <apache@bago.org> wrote:
> I'd like to share a couple of charts I created yesterday to better
> understand the current status.

very cool

thanks :-)

> I created a graph including the dependencies between our modules and with
> external jars.
>
> Here is what yED automatically creates by reducing and creating an automatic
> left to right "tight" directed dependencies tree for
> http://people.apache.org/~bago/server/2008-08-12-server-trunk-modules-full-dependency-tree.gif
>
> THe groups are also automatically created by yEd by using the "Autogrouping"
> "Directed Subtrees" option.
>
> Here is a smaller graph created by closing the groups created previously:
> http://people.apache.org/~bago/server/2008-08-12-server-trunk-modules-full-dependency-tree-closed.gif
>
> I find it cool how an automatic layout created a clear visualization of our
> 3 layers (api, library, function).
>
> I used green for our modules (light for apis, medium for library, dark for
> functions) and light azure for the util modules.
> I then used red for avalon framework, purple and orage for excalibur and
> cornerstone. Blue is for commons-*. Violet is for other james products.
>
> Edges are coloured as the target node, so to easily see what kind of
> dependencies each node has by looking at exit edges colours.
>
> It's not perfect (it does not contain all of our dependencies and classes)
> but I found it interesting and I wanted to share it.

great

> From this graph we can see that once we remove most cornerstone/excalibur
> dependencies by using delegation in avalon-socket-library the only
> cornerstone/excalibur dependencies will be the datasource related ones
> (cornerstone-datasources-api, cornerstone-datasources-impl,
> excalibur-datasource) and the store-api. ATM core-library,
> management-library and avalon-socket-library have direct dependencies on
> this jars. I'd like to confine them to functions as a short term goal.

care to expand?

- robert

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