How does this compare with Ant's uptodate task?
--
dIon Gillard, Multitask Consulting
Blog: http://blogs.codehaus.org/people/dion/
Brian Pedersen <[EMAIL PROTECTED]> wrote on 11/10/2003 06:38:45 PM:
> Hi
>
> We are around 30 developers doing J2EE developement in my company.
>
> When building with either ant or maven, a large part of the time
> consumed is by
> generating code using various tools, such as ejbgen, xjc, wsgen etc. and
the
> following compilation.
>
> To deal with this I have created a simple plugin that writes a
> serialized cache
> to a specified location, containing any cached directories/attributes.
> When performing a build, this cache is loaded and compared to the
> present values,
> and only if changes has been applied, the defined build process starts.
>
> Here is an example jellyscript:
>
> <cache:load path="${maven.build.dir}/gen/xjc/build.cache">
> <cache:compare key="src" dir="${maven.src.dir}/xsd" includes="*.xsd"/>
> <cache:compare key="xjcVersion" value="${xjcVersion}"/>
> <cache:modified>
> <xjc extension="true" target="${maven.build.dir}/gen/xjc"
> package="foo.ejb.dao.xml.webservice.events.param">
> <schema dir="${maven.src.dir}/xsd" includes="*.xsd"/>
> </xjc>
> </cache:modified>
> </cache:load>
>
> The above shows a simple example of using the cache-plugin, only
> when xsd files
> are changed in the defined srcdir or when the xjc-version(read from POM
> dependencies) are changed, the xjc task are performed.
> The cache can take any number of directories/attributes and
store/compare.
>
> This simple plugin, based on the org.apache.tools.ant.
> DirectoryScanner, actually
> saves 2-3 minutes buildtime in my current project !
>
> I will be happy to contribute it to the maven core-plugins, if you guys
are
> interested.
>
> Regards
> Brian Pedersen
>
>
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