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From Aslak Helles√ły <>
Subject smart reactor proposal
Date Wed, 04 Jun 2003 09:47:18 GMT
Sorry if this has been brought up before, but I have an idea about how 
to make the reactor smarter/quicker.

I have a project with lots of subprojects that are built with reactor. I 
want to reduce the build time by making the reactor smarter.

Imagine I have 3 sub projects a,b and c with the following dependencies: 

The 1st time I run reactor everything is built. Then I modify b and run 
reactor again. a doesn't depend on b and therefore shouldn't be rebuilt. 
The reactor should now only build b and c.

I think this can be implemented quite simply by doing some date 
comparisons between java sources and classes in each project.

I'm planning to implement this feature, but before I do, I'd like to 
hear some opinions.


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