[jira] [Commented] (COLLECTIONS-296) Introduce SortedUtils.merge() for merging sorted collections

["Julius Davies (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/COLLECTIONS-296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13636883#comment-13636883 ] 

Julius Davies commented on COLLECTIONS-296:
-------------------------------------------

Wow!  TN's the man!   5-years after I submitted it (before I was a committer).   I'd forgotten all about this patch!
                
> Introduce SortedUtils.merge() for merging sorted collections
> ------------------------------------------------------------
>
>                 Key: COLLECTIONS-296
>                 URL: https://issues.apache.org/jira/browse/COLLECTIONS-296
>             Project: Commons Collections
>          Issue Type: New Feature
>          Components: Core
>            Reporter: Julius Davies
>            Priority: Minor
>             Fix For: 4.0
>
>         Attachments: SortedUtils.patch
>
>
> Is there any interest in this?
>     /**
>      * Returns a new ArrayList where sorted Collection a and sorted Collection b
>      * are combined such that ordering of the elements according to
>      * Comparator c is retained.  Uses the standard O(n) merge algorithm
>      * for combining two sorted lists.
>      *
>      * @param a Object to combine with sorted Collection b.  Must implement Comparable.
>      * @param b Sorted Collection to combine with Object a.
>      * @param c Comparator by which Collection a and Collection b have been sorted, or null
>      *          if the Collections are sorted according to their natural ordering.
>      * @return a new sorted ArrayList
>      */
>     public static ArrayList merge(Collection a, Collection b, Comparator c);

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