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https://issues.apache.org/jira/browse/JAMES-2641?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tellier Benoit resolved JAMES-2641.
-----------------------------------
Resolution: Fixed
Fix Version/s: 3.3.0
https://github.com/linagora/james-project/pull/2095 solved this
> Replace MailboxDispatcher & Delegating listener by the new event bus
> --------------------------------------------------------------------
>
> Key: JAMES-2641
> URL: https://issues.apache.org/jira/browse/JAMES-2641
> Project: James Server
> Issue Type: Improvement
> Reporter: Trần Tiến Đức
> Priority: Major
> Fix For: 3.3.0
>
>
> You will make James use APIs defined in new EventBus instead than the
> previous one.
> You will remove:
> - `MailboxListenerSupport API`
> - `MailboxEventDispatcher` class
> - `DelegatingMailboxListener` & sub classes
> Rather than calling Mailbox Support, call the EventBus
> Note that:
> - EventBus initialization should never be done in the MailboxManager (a
> ready to use EventBus should be passed to it).
> This can be done in 2 steps:
> - Keeping the MailboxManager as a proxy
> - Then in a second PR directly calling the EventBus
> **edited**
> improvement: `MailboxEventDisplatcher` exposes some convenience methods for
> easily creating events. We need, as part of `EventFactory` to propose
> builders for Mailbox events.
> Note that as part of this effort, we need to get rid of the
> MailboxEventDispatcher whose last responsibility is "not firing noop events".
> We need to move the `isNoop()` method to the Event API in order to be able to
> filter our noop event without having knowledge of the event details.
> Filtering noop should then be a responsibility of the EventBus (and as a
> temporary step of the DelegatingMailboxListener). In order to filter noop in
> an agnostic way, we need to add a `isnoop()` method in the event bus.
> Once these 2 preliminary steps are done we can:
> - Remove the `MailboxEventDispatcher` (event emition can then directly be
> done on top of the delegatingListener/EventBus=
> - Replace the DelegatingListener by the EventBus.
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