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https://issues.apache.org/jira/browse/MAILBOX-211?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16691606#comment-16691606
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Tellier Benoit commented on MAILBOX-211:
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https://github.com/linagora/james-project/pull/1925 Removed previously
contributed distributed mailbox listeners
- Registration was performed on mutable mailbox path
- Tests were mostly written with MOCK making reuse harder
- Proposed API implied managing registrations by itself, while some messaging
software can handle this (routing on top of RabbitMQ)
- We also want to propose a WorkQueue for Global Listeners
This old API made changes harder and clashes with some intended refactorings.
Hence, removing it seems to be the right move.
> Distributed IMAP notification - distribute mailbox events
> ---------------------------------------------------------
>
> Key: MAILBOX-211
> URL: https://issues.apache.org/jira/browse/MAILBOX-211
> Project: James Mailbox
> Issue Type: New Feature
> Reporter: Tellier Benoit
> Priority: Major
> Fix For: 0.6
>
> Attachments: james-distributed-event-system.odp
>
>
> The Mailbox event system is limited to one James instance. This means if a
> user is connected on a server A and if a mail arrives for him on server B, he
> will not get the notification.
> This means we need to send events to a message queue, so that they can be
> treated remotely by other James server to send IMAP notifications.
> But we need to be carefull : we must not trigger some Listener : eg : Event
> must be treated only once by MessageSearchIndex.
> What we can first notice is that Listener that must be triggered only once
> are Global Listeners, other are per mailbox registered.
> What we just need to do is :
>
> - send event in a per mailbox topic ( so that no James server will have
> scalibility trubbles ). Imap subscription will be listening the topic of the
> mailbox they are targeting threw the message queue. Global listener are
> called only once on the server submitting the event.
> Of course I will provide Spring defined beans and optionnal separated classes.
> What do you think of it ?
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