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From Michael Dürig (JIRA) <j...@apache.org>
Subject [jira] [Commented] (OAK-191) ChangeExtractor uses interfaces from oak.spi.state
Date Tue, 24 Jul 2012 12:52:35 GMT

    [ https://issues.apache.org/jira/browse/OAK-191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13421365#comment-13421365

Michael Dürig commented on OAK-191:

The reason for putting it that way was to reuse the existing functionality around {{NodeStateDiff}}
for determining differences of immutable trees (i.e. {{NodeState}}s. I'm in favour of adding
another abstraction here as soon as we have a driver for determining its shape. 
> ChangeExtractor uses interfaces from oak.spi.state
> --------------------------------------------------
>                 Key: OAK-191
>                 URL: https://issues.apache.org/jira/browse/OAK-191
>             Project: Jackrabbit Oak
>          Issue Type: Bug
>          Components: core
>            Reporter: angela
> from my understanding the oak-api should not rely on interfaces/classes
> defined by the oak.spi package space.
> while looking at the different Tree implementations and the usage of
> NodeState (defined in the spi) i realized that the ChangeExtractor makes in
> fact use of the org.apache.jackrabbit.oak.spi.state.NodeStateDiff which in
> turn has a dependency to NodeState from the same package. That way the
> NodeState interface gets exposed with the oak-api which looks a rather
> awkward to me.
> i think this should be reconsidered. and maybe we also have to take
> a second look at the distinction between oak-api and oak-spi.

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