[jira] [Assigned] (SLING-4207) Add notifications upon tenant changes

["Felix Meschberger (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SLING-4207?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Felix Meschberger reassigned SLING-4207:
----------------------------------------

    Assignee: Felix Meschberger

> Add notifications upon tenant changes
> -------------------------------------
>
>                 Key: SLING-4207
>                 URL: https://issues.apache.org/jira/browse/SLING-4207
>             Project: Sling
>          Issue Type: Improvement
>          Components: Extensions
>    Affects Versions: Tenant 1.0.2
>            Reporter: Timothee Maret
>            Assignee: Felix Meschberger
>             Fix For: Tenant 1.0.4
>
>         Attachments: SLING-4207.patch, SLING-4207.patch
>
>
> Currently, there is no clean way to detect when a tenant has been added/removed/modified.
> We may detect when a change is required by implementing the TenantCustomizer interface, however, it tells nothing about the actual completion of the change.
> We may listen for OSGI events under /etc/tenants but this requires the user to know where the tenants are located (which afaik, currently is not exposed).
> In order to allow apps reacting on tenant changes, I propose to either:
> I. extend the current SPI with an interface TenantEventListener that users can implement ; or 
> II. send OSGI events form the current implementation.
> In both cases, the events should cover
> * Tenant added
> * Tenant removed
> * Property added
> * Property removed



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