[jira] [Updated] (COLLECTIONS-433) TreeList.addAll() complexity

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[jira] [Updated] (COLLECTIONS-433) TreeList.addAll() complexity

Lars Bruun-Hansen (Jira)

     [ https://issues.apache.org/jira/browse/COLLECTIONS-433?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas Neidhart updated COLLECTIONS-433:
----------------------------------------

    Fix Version/s: 4.0
   

> TreeList.addAll() complexity
> ----------------------------
>
>                 Key: COLLECTIONS-433
>                 URL: https://issues.apache.org/jira/browse/COLLECTIONS-433
>             Project: Commons Collections
>          Issue Type: Improvement
>    Affects Versions: 3.2.1
>            Reporter: Adrian Nistor
>             Fix For: 4.0
>
>         Attachments: COLLECTIONS-433.patch, COLLECTIONS-433.v2.patch
>
>
> "TreeList.addAll(Collection coll)" has a higher complexity than
> necessary when "coll" is a "TreeList" object (because "addAll" just
> adds one element at a time).  This can be done in just O(N) as
> described for example here:
> http://stackoverflow.com/questions/4458489/merging-2-diferent-avl-trees
> Are there any plans to improve this?

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