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Posted to issues@commons.apache.org by "Thomas Neidhart (JIRA)" <ji...@apache.org> on 2013/09/10 21:55:53 UTC

[jira] [Resolved] (COLLECTIONS-482) Transformed* classes require double the number of generic qualifiers

     [ https://issues.apache.org/jira/browse/COLLECTIONS-482?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas Neidhart resolved COLLECTIONS-482.
-----------------------------------------

    Resolution: Duplicate

This would be a great thing to have, but unfortunately it would break the Collection contract, see also the referenced issue.
                
> Transformed* classes require double the number of generic qualifiers
> --------------------------------------------------------------------
>
>                 Key: COLLECTIONS-482
>                 URL: https://issues.apache.org/jira/browse/COLLECTIONS-482
>             Project: Commons Collections
>          Issue Type: Bug
>          Components: Bag, Collection, List, Map, Set
>    Affects Versions: 4.0-alpha1
>            Reporter: Hollis Waite
>
> Transformed* classes currently have the same number of generic qualifiers as their parent interfaces (e.g. one for TransformedList and two for TransformedMap). In order to handle transformations between different types, transforming collections should specify both input and output classes.

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