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Posted to issues@commons.apache.org by "Thomas Neidhart (JIRA)" <ji...@apache.org> on 2013/03/17 20:49:14 UTC

[jira] [Commented] (COLLECTIONS-403) Make AndPredicate, AnyPredicate etc. not final

    [ https://issues.apache.org/jira/browse/COLLECTIONS-403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13604732#comment-13604732 ] 

Thomas Neidhart commented on COLLECTIONS-403:
---------------------------------------------

The reason these classes are final is because their behavior is well defined and not supposed to be changed by sub-classes.
To prevent sub-classing, they are marked as final.
                
> Make AndPredicate, AnyPredicate etc. not final
> ----------------------------------------------
>
>                 Key: COLLECTIONS-403
>                 URL: https://issues.apache.org/jira/browse/COLLECTIONS-403
>             Project: Commons Collections
>          Issue Type: Improvement
>          Components: Collection
>    Affects Versions: 3.2.1
>            Reporter: david cogen
>            Priority: Minor
>
> If there is no good reason for these (and similar classes) to not be final, they would be much more useful to me if they were not final.
> I have a class that I wanted to have an "is a" relation to AnyPredicate, but, AnyPredicate being declared final, I cannot and instead have to design it with a "has a" relation to AnyPredicate, which for my purpose is much less clear.

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