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https://issues.apache.org/jira/browse/COLLECTIONS-227?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12580237#action_12580237
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Matt Benson commented on COLLECTIONS-227:
-----------------------------------------
This patch suffers from several shortcomings:
- inverseSortedBidiMap is not implemented other than to return null
- comparator() was pretty much nonsensical, simple enough to return
ComparatorUtils.NATURAL_COMPARATOR, however
- the implementations for headMap, tailMap, and subMap don't appear to continue
to be backed by the originating map, contrary to the contract from SortedMap
These will require quite a bit of work, possibly cloning some inner classes
from DualTreeBidiMap. It's probably more responsible to push this to 3.4, but
I'll give it a little time.
> TreeBidiMap should implement SortedBidiMap
> ------------------------------------------
>
> Key: COLLECTIONS-227
> URL: https://issues.apache.org/jira/browse/COLLECTIONS-227
> Project: Commons Collections
> Issue Type: Improvement
> Components: BidiMap
> Reporter: Stephen Colebourne
> Priority: Trivial
> Fix For: 3.3
>
> Attachments: TreeBidiMap.pat
>
>
> TreeBidiMap should implement SortedBidiMap as it fulfils the criteria. (Note
> that at present, the ordering in TreeBidiMap is limited to natural ordering)
> This issue needs a patch to actually go anywhere.
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