Tellier Benoit created MAILBOX-211:
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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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