[jbossseam-issues] [JBoss JIRA] Closed: (JBSEAM-2723) Page fragment caching for plugin render

[Christian Bauer (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBSEAM-2723?page=all ]

Christian Bauer closed JBSEAM-2723.
-----------------------------------

    Fix Version/s: 2.1.0.GA
       Resolution: Done

Plugins can now define cache regions in their descriptor:

        <cache-regions>
            <cache-region name="DirectoryToc">
                <invalidation-event name="Node.persisted"/>
                <invalidation-event name="Node.removed"/>
                <invalidation-event name="Node.updated"/>
            </cache-region>
        </cache-regions>

And use this (with variations) in their templates:

    <s:cache 
             region="#{currentMacro.getCacheRegion('DirectoryToc')}"
             key="#{currentMacro.cacheKey}">
...



> Page fragment caching for plugin render
> ---------------------------------------
>
>                 Key: JBSEAM-2723
>                 URL: http://jira.jboss.com/jira/browse/JBSEAM-2723
>             Project: Seam
>          Issue Type: Task
>          Components: Wiki
>            Reporter: Christian Bauer
>         Assigned To: Christian Bauer
>            Priority: Blocker
>             Fix For: 2.1.0.GA
>
>
> The infrastructure for page fragment caching with EHCache is in place. We need to cache plugin-rendered HTML fragments with this strategy:
> - generate a unique cache key for each plugin, including the document ID and the macro hashcode (including position and parameters)
> - use a separate region for each plugin type, so that we can invalidate the cache for the whole region ("remove all cached fragments of a certain plugin no matter on what document it is rendered")
> - build cache regions on startup based on plugin metadata

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