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Posted to issues@commons.apache.org by "Thomas Neidhart (JIRA)" <ji...@apache.org> on 2013/05/12 19:09:16 UTC
[jira] [Commented] (COLLECTIONS-439) TreeBag with comparator does
not store non-key duplicates.
[ https://issues.apache.org/jira/browse/COLLECTIONS-439?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13655581#comment-13655581 ]
Thomas Neidhart commented on COLLECTIONS-439:
---------------------------------------------
Postponed until we are sure that this is a useful addition.
> TreeBag with comparator does not store non-key duplicates.
> ----------------------------------------------------------
>
> Key: COLLECTIONS-439
> URL: https://issues.apache.org/jira/browse/COLLECTIONS-439
> Project: Commons Collections
> Issue Type: Improvement
> Components: Bag
> Affects Versions: 3.2.1
> Reporter: Claude Warren
> Fix For: 4.x
>
> Attachments: COLLECTIONS-439.tar.gz, SortedBag.java
>
>
> When storing objects that are sorted by a Comparator, if the differences in the objects are not in the comparator the same version of the object is returned. I expected that the sorted bag would work like a DB table with a non-unique key -- ordered but duplicate only determined by Object.equals().
> I have implemented this type of bag using a TreeMap of List. My implementation uses the Jena ExtendedIterator to make building the iterator() and array() methods easier.
> Will attach the code.
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