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https://issues.apache.org/jira/browse/LUCENE-4977?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adrien Grand resolved LUCENE-4977.
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Resolution: Invalid
Invalid as arraylists now sort in place.
> Forbidden-apis: avoid calls to Collections.sort
> -----------------------------------------------
>
> Key: LUCENE-4977
> URL: https://issues.apache.org/jira/browse/LUCENE-4977
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Adrien Grand
> Priority: Minor
>
> Collections.sort works by dumping its content into an array, sorting it with
> Arrays.sort and then getting the elements back into the list. On the
> contrary, CollectionUtil has the ability to sort in-place when the list
> supports random-access, this is more memory-efficient and maybe even faster
> in some cases.
> We could use the forbidden-apis tool to prevent our code from calling
> Collections.sort.
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