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https://issues.apache.org/jira/browse/IMAP-370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13572539#comment-13572539
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Eric Charles commented on IMAP-370:
-----------------------------------

Hi Andrzej,
I was thinking to create a new MoveProcessor(new CopyProcessor) rather than 
having MoveProcessor extends CopyProcessor.
So yes, I was meaning Composition design pattern.
With that, you respect isAcceptable() and you can reuse the CopyProcessor 
methods from your MoveProcessor.
Thx, Eric
                
> Consider supporting the upcoming MOVE extension
> -----------------------------------------------
>
>                 Key: IMAP-370
>                 URL: https://issues.apache.org/jira/browse/IMAP-370
>             Project: James Imap
>          Issue Type: Improvement
>          Components: Protocol
>            Reporter: Andrzej Rusin
>         Attachments: IMAP-370-capability-v1.patch, IMAP-370-v1.patch
>
>
> As we see at 
> http://datatracker.ietf.org/doc/draft-ietf-imapmove-command/ballot/ IETF is 
> about to finally accept the IMAP MOVE extension.
> This extension enables great performance optimization possibilities for the 
> more advanced Mailstore backends, eg the ones that use a underlying 
> relational or non-relational database: 
> One of the most common usage scenarios in IMAP is moving messages across 
> folders, and with the MOVE extention it can be finally accomplished without a 
> COPY/DELETE cycle on certain Mailbox backends.
> Therefore, in my belief, it would be very nice to have that extension 
> implemented in James.
> Some of the bundled Mailstore implementations already are based on SQL/noSQL 
> datasources, and can directly benefit from it.
> Some of the independent Mailstore implementations (including mine) can 
> benefit from it too.
> Some of IMAP clients (including Thunderbird as of 3.something) already 
> support that extension or the X-MOVE or X-AOL-MOVE one.
> So James has a great opportunity to be the leader of standards adoption on 
> the server side.
> What do you think? Please comment.

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