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https://issues.apache.org/jira/browse/XMLBEANS-659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18012136#comment-18012136
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PJ Fanning commented on XMLBEANS-659:
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Is there any chance that you could implement this as a lib that wraps XMLBeans?
Putting in ASF XMLBeans means someone in ASF project has to review it, merge it
and then put together a release which means a release manager and 3 reviewers.
All for a feature that one person wants.
> Make Maven plugin regenerate schemas only when input changes (incremental
> build)
> --------------------------------------------------------------------------------
>
> Key: XMLBEANS-659
> URL: https://issues.apache.org/jira/browse/XMLBEANS-659
> Project: XMLBeans
> Issue Type: Bug
> Components: Tools
> Affects Versions: Version 5.3.0
> Reporter: Robert Marcano
> Priority: Minor
> Fix For: TBD
>
>
> Currently, The plugin always run by default, not matter if changes where
> made. There is a configuration property named _buildSchemas_ that can be used
> to disable it with external flags like a system property.
> This behavior isn't much of a problem when there is a single Maven module or
> it as multi-module project and the one generating the schema is one leaf of
> the dependency tree. Recently I have to add schema generation to one of the
> roots of the dependency tree and always regenerating the schema mean the
> entire large multi-module project needs to be recompiled. I am disabling it
> with system properties, but sometimes it is easy to forget.
> I plan to submit a patch to add this support. My idea is to add logic, to
> hash all inputs of the plugin, like the configuration entries, the compiler
> version, the schema filenames and modification times and store a file as a
> flag to check if any input has changed from previous builds and then run the
> compiler only when necessary.
> The _buildSchemas_ configuration could be extended to accept a new value like
> _incremental_ without changing the default `true`. So users can opt-in to the
> new behavior, or the default can be changed if agreed.
>
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