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From "Stefan Guggisberg (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (OAK-227) MicroKernel API: add depth parameter to diff method
Date Fri, 03 Aug 2012 15:54:02 GMT

     [ https://issues.apache.org/jira/browse/OAK-227?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Stefan Guggisberg resolved OAK-227.
-----------------------------------

    Resolution: Fixed

fixed in svn r1369019
                
> MicroKernel API: add depth parameter to diff method
> ---------------------------------------------------
>
>                 Key: OAK-227
>                 URL: https://issues.apache.org/jira/browse/OAK-227
>             Project: Jackrabbit Oak
>          Issue Type: New Feature
>          Components: mk
>            Reporter: Stefan Guggisberg
>            Assignee: Stefan Guggisberg
>
> a depth parameter allows to specify how deep changes should be included in the returned
JSON diff. 
> an example:
> {code}
> // initial content (/test/foo)
> String rev0 = mk.commit("/", "+\"test\":{\"foo\":{}}", null, "");
> // add /test/foo/bar
> String rev1 = mk.commit("/test/foo", "+\"bar\":{\"p1\":123}", null, "");
> // modify property /test/foo/bar/p1
> String rev2 = mk.commit("/test/foo/bar", "^\"p1\":456", null, "");
> // diff with depth -1
> String diff0 = mk.diff(rev0, rev2, "/", -1);
> // returned +"/test/foo/bar":{"p1":456} 
> // diff with depth 5
> String diff1 = mk.diff(rev0, rev2, "/", 5);
> // returned +"/test/foo/bar":{"p1":456} 
> // diff with depth 1
> String diff2 = mk.diff(rev0, rev2, "/", 1);
> // returned ^"/test/foo", indicating that there are changes below /test/foo 
> // diff with depth 0
> String diff3 = mk.diff(rev0, rev2, "/", 0);
> // returned ^"/test", indicating that there are changes below /test 
> {code}

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