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From "Tellier Benoit (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAILBOX-211) Distributed IMAP notification - distribute mailbox events
Date Mon, 26 Jan 2015 23:52:35 GMT
Tellier Benoit created MAILBOX-211:
--------------------------------------

             Summary: 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


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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