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https://issues.apache.org/jira/browse/OAK-1502?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13922504#comment-13922504
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Thomas Mueller commented on OAK-1502:
-------------------------------------

> In an OSGi environment the best approach is probably to have DataStores as 
> OSGi services that the NodeStore can look up dynamically through the 
> Whiteboard mechanism

That's one lookup whenever a binary is needed? I'm afraid that would be too 
slow. Please note even very basic operations such as reading from the Lucene 
index are datastore lookups.


> Make DataStores available to NodeStores
> ---------------------------------------
>
>                 Key: OAK-1502
>                 URL: https://issues.apache.org/jira/browse/OAK-1502
>             Project: Jackrabbit Oak
>          Issue Type: Sub-task
>          Components: core
>            Reporter: Jukka Zitting
>            Assignee: Chetan Mehrotra
>             Fix For: 0.19
>
>
> For OAK-805 and related issues we need a mechanism for making Jackrabbit 
> DataStores instances available to NodeStore implementations so that they can 
> look up references to binaries stored in such datastores.
> In an OSGi environment the best approach is probably to have DataStores as 
> OSGi services that the NodeStore can look up dynamically through the 
> Whiteboard mechanism. In plain old Java we can just pass a DataStore 
> reference to a NodeStore during initialization.



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