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From Reto Bachmann-Gmür (JIRA) <>
Subject [jira] [Commented] (CLEREZZA-460) Use whiteboard pattern for Renderlets
Date Sat, 02 Apr 2011 20:48:05 GMT


Reto Bachmann-Gmür commented on CLEREZZA-460:

Thanks Daniel for the patch, thanks to Tsuy for applying it. It might be better to keep a
map of renderingspecifications to rendelter registrations so that RenderletManagerImpl nevers
unregister renderlets register by other means, with the current version if a bundle tries
to override a RenderletManager-renderlet the overriding service disappears when the bundle
provideing the ssp it wants to override gets restarted.

> Use whiteboard pattern for Renderlets
> -------------------------------------
>                 Key: CLEREZZA-460
>                 URL:
>             Project: Clerezza
>          Issue Type: Improvement
>            Reporter: Reto Bachmann-Gmür
>            Assignee: Reto Bachmann-Gmür
>         Attachments: patch-typerendering-core.diff, renderletmgr_patch.diff
> The current mechanism for renderlets is overly complex. Instead of describing renderlets
in a graph rendelets should be services that have properties indicating the rdf type and the
mode-pattern they handle.
> The priority for selecting renderlets should be:
> - type, according to type-priority list
> - length of regex math (the matching regex with the most alphanumeric characters wins)
> - startlevel of the bundle providing the service

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