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From "Tellier Benoit (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MAILBOX-379) PreDeletionHooks - design + plug
Date Mon, 25 Feb 2019 03:25:00 GMT

     [ https://issues.apache.org/jira/browse/MAILBOX-379?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tellier Benoit resolved MAILBOX-379.
------------------------------------
       Resolution: Fixed
    Fix Version/s: 3.4.0

https://github.com/linagora/james-project/pull/2177 did contribute this

> PreDeletionHooks - design + plug
> --------------------------------
>
>                 Key: MAILBOX-379
>                 URL: https://issues.apache.org/jira/browse/MAILBOX-379
>             Project: James Mailbox
>          Issue Type: Bug
>            Reporter: Trần Tiến Đức
>            Priority: Major
>             Fix For: 3.4.0
>
>
> PreDeletionHook is an *extension endpoint* that is run before a deletion actually happens.
It can thus read data that will be deleted and save it for later processing.
>  - First create a `DeletionId` - unique identifier for a deletion operation.
> This Id allows correlating PreDeletionHooks with MailboxListener.
>  - Define the PredeletionHook API
>  
>  
> {code:java}
> interface PreDeletionHook { 
>     Publisher<Void> notifyDelete(DeletionOparation); 
> }
> class DeletionOperation { 
>     private final DeletionId; 
>     private final List<MetadataWithMailboxId> 
> }
> {code}
>  - Inject a `Set<PreDeletionHook>` in the `StoreMessageManager` & `StoreMessageIdManager`
>  - Call PreDeletionHooks before 'delete' operation. You will add unit tests in `MailboxManagerTest`
& `MessageIdManagerTest` about this.



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