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From "Thomas Neidhart (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (COLLECTIONS-439) TreeBag with comparator does not store non-key duplicates.
Date Sun, 12 May 2013 17:09:16 GMT

    [ 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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