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Posted to issues@commons.apache.org by "Thomas Neidhart (JIRA)" <ji...@apache.org> on 2015/11/11 22:05:10 UTC

[jira] [Commented] (COLLECTIONS-578) CollectionUtils method to accept Comparator as overloaded arguments

    [ https://issues.apache.org/jira/browse/COLLECTIONS-578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15001082#comment-15001082 ] 

Thomas Neidhart commented on COLLECTIONS-578:
---------------------------------------------

Collections 4 introduced an Equator interface for this purpose, which is already used in some places.

> CollectionUtils method to accept Comparator as overloaded arguments
> -------------------------------------------------------------------
>
>                 Key: COLLECTIONS-578
>                 URL: https://issues.apache.org/jira/browse/COLLECTIONS-578
>             Project: Commons Collections
>          Issue Type: Improvement
>    Affects Versions: 4.0
>            Reporter: Abraham Tehrani
>            Priority: Minor
>
> CollectionUtils has numerous methods that would benefit from having an overloaded argument that accepts Comparators. This is helpful when Objects in the Lists do not implement equals the way that is wanted.
> Example if CollectionUtils.containsAny(...) accepted a Comparator interface, we could then define a custom implementation of comparison.
> This would make it far more flexible



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