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https://issues.apache.org/jira/browse/COLLECTIONS-404?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13414603#comment-13414603
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Hudson commented on COLLECTIONS-404:
------------------------------------

Integrated in commons-collections #58 (See 
[https://builds.apache.org/job/commons-collections/58/])
    [COLLECTIONS-404] moved to comparators.sequence package, cleanup. (Revision 
1361677)

     Result = SUCCESS
tn : http://svn.apache.org/viewvc/?view=rev&rev=1361677
Files : 
* /commons/proper/collections/trunk/pom.xml
* 
/commons/proper/collections/trunk/src/main/java/org/apache/commons/collections/comparators/sequence
* 
/commons/proper/collections/trunk/src/main/java/org/apache/commons/collections/comparators/sequence/CommandVisitor.java
* 
/commons/proper/collections/trunk/src/main/java/org/apache/commons/collections/comparators/sequence/DeleteCommand.java
* 
/commons/proper/collections/trunk/src/main/java/org/apache/commons/collections/comparators/sequence/EditCommand.java
* 
/commons/proper/collections/trunk/src/main/java/org/apache/commons/collections/comparators/sequence/EditScript.java
* 
/commons/proper/collections/trunk/src/main/java/org/apache/commons/collections/comparators/sequence/InsertCommand.java
* 
/commons/proper/collections/trunk/src/main/java/org/apache/commons/collections/comparators/sequence/KeepCommand.java
* 
/commons/proper/collections/trunk/src/main/java/org/apache/commons/collections/comparators/sequence/ReplacementsFinder.java
* 
/commons/proper/collections/trunk/src/main/java/org/apache/commons/collections/comparators/sequence/ReplacementsHandler.java
* 
/commons/proper/collections/trunk/src/main/java/org/apache/commons/collections/comparators/sequence/SequencesComparator.java
* 
/commons/proper/collections/trunk/src/main/java/org/apache/commons/collections/comparators/sequence/Snake.java
* 
/commons/proper/collections/trunk/src/main/java/org/apache/commons/collections/comparators/sequence/package-info.java
* 
/commons/proper/collections/trunk/src/main/java/org/apache/commons/collections/comparators/sequence/package.html
* 
/commons/proper/collections/trunk/src/main/java/org/apache/commons/collections/list/difference
* 
/commons/proper/collections/trunk/src/test/java/org/apache/commons/collections/comparators/sequence
* 
/commons/proper/collections/trunk/src/test/java/org/apache/commons/collections/comparators/sequence/SequencesComparatorTest.java
* 
/commons/proper/collections/trunk/src/test/java/org/apache/commons/collections/list/difference

                
> Adding an implementation of Eugene Myers difference algorithm
> -------------------------------------------------------------
>
>                 Key: COLLECTIONS-404
>                 URL: https://issues.apache.org/jira/browse/COLLECTIONS-404
>             Project: Commons Collections
>          Issue Type: Improvement
>          Components: Collection
>    Affects Versions: 3.2.1
>         Environment: all
>            Reporter: Luc Maisonobe
>            Assignee: Luc Maisonobe
>            Priority: Minor
>         Attachments: commons-collections-difference-v2.patch, 
> commons-collections-difference.patch, comparator.zip
>
>
> The difference algorithm aims at comparing two sequences of objects and 
> return an "edit script" which represents how one can transform the first 
> sequence into the second sequence. The script describes the various insert 
> object, delete object and keep object commands. The script is guaranteed to 
> be the shortest possible in terms of number of commands.
> From the script, one can either extract longest common sub-sequences (i.e. 
> how similar the sequences are) or on the contrary the needed changes (i.e. 
> how different the sequences are).

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