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From "Chetan Mehrotra (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OAK-2586) Support including and excluding paths during upgrade
Date Mon, 09 Mar 2015 09:15:38 GMT

    [ https://issues.apache.org/jira/browse/OAK-2586?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14352709#comment-14352709
] 

Chetan Mehrotra commented on OAK-2586:
--------------------------------------

This looks useful! What I am not sure is would wrapping of {{NodeState}} would lead to unoptimized
code path particularly in equals evaluation where the specific NodeState implementation do
take a faster approach if instance passed is of same type. May be the equals can "unwrap"
the NodeState and then perform equals.

[~mduerig] Thoughts?

> Support including and excluding paths during upgrade
> ----------------------------------------------------
>
>                 Key: OAK-2586
>                 URL: https://issues.apache.org/jira/browse/OAK-2586
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: upgrade
>    Affects Versions: 1.1.6
>            Reporter: Julian Sedding
>              Labels: patch
>         Attachments: OAK-2586.patch
>
>
> When upgrading a Jackrabbit 2 to an Oak repository it can be desirable to constrain which
paths/sub-trees should be copied from the source repository. Not least because this can (drastically)
reduce the amount of content that needs to be traversed, copied and indexed.
> I suggest to allow filtering the content visible from the source repository by wrapping
the JackrabbitNodeState instance and hiding selected paths.



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