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https://issues.apache.org/jira/browse/ARIES-1387?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14718574#comment-14718574
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John Ross commented on ARIES-1387:
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The clause and header classes are not part of the spec. They are implementation
specific and private. They are all intentionally immutable and should remain
that way. That's a relied upon guarantee all over the code. It would be great
to abstract out the common functionality but you may find that to be a larger
piece of work than initially anticipated.
> Make Subsystem header items order reproducible
> ----------------------------------------------
>
> Key: ARIES-1387
> URL: https://issues.apache.org/jira/browse/ARIES-1387
> Project: Aries
> Issue Type: Improvement
> Components: Subsystem
> Reporter: Cristiano Gavião
>
> Currently the org.apache.aries.subsystem.core.archive.SubsystemContentHeader
> class (line 210) and other headers classes uses a HashSet in order to hold
> its clauses.
> HashSet doesn't ensure the order of its items and then its impossible to have
> a reproducible build of any manifest file. As the SubsystemManifest class
> doesn't provide a equals() method, we can't compare a generated manifest file
> with any template in a test, it will fail.
> The propose it to change the used HashSet for the LinkedHashSet class.
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