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https://issues.apache.org/jira/browse/SLING-249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12649642#action_12649642
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Bertrand Delacretaz commented on SLING-249:
-------------------------------------------

> We will probably not use query, because the current query implementation is 
> optimized at doing 
> full text searches...
>...Instead the resource tree is scanned for sling:virtualPath properties and 
>caches them internally...

A query like 

  //element(*, sling:whateverMixinWeChoose) 

is certainly more expensive than scanning a few nodes that you know where to 
find, but do you really want to scan the *entire* repository at startup? That 
won't scale.

As the query would run only on service startup (observation takes over after 
that), I don't see a problem with using a query.



> Allow mapping nodes to internet domains
> ---------------------------------------
>
>                 Key: SLING-249
>                 URL: https://issues.apache.org/jira/browse/SLING-249
>             Project: Sling
>          Issue Type: New Feature
>          Components: Engine
>    Affects Versions: JCR Resource 2.0.2
>            Reporter: Vidar S. Ramdal
>            Assignee: Felix Meschberger
>             Fix For: JCR Resource 2.0.4
>
>
> Sling should support hosting multiple domains, with different JCR roots.
> E.g.:
> http://www.domain1.com could map to /content/domain1.com
> http://www.domain2.com could map to /content/domain2.com
> While developing a website, the fully qualified domain might not be 
> available. Ideally, the mapping could be configured in a flexible way. One 
> option would be to maintain a set of regular expressions to match against 
> URLs. Each regexp would then match to a path in the JCR.

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