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https://issues.apache.org/jira/browse/OAK-4640?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15407351#comment-15407351
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Alex Parvulescu commented on OAK-4640:
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bq. OAK-4412 - Here we want to generate Documents for modified nodestate (per
index definition) and "attach" it to current commit
not sure if this would be better or not, but could you reduce the data attached
to the commit to only the doc ids? and later you could extract them from one
index and insert them into the other.
> Provide a way for commit hook to record meta data for a given commit
> --------------------------------------------------------------------
>
> Key: OAK-4640
> URL: https://issues.apache.org/jira/browse/OAK-4640
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: core
> Reporter: Chetan Mehrotra
> Assignee: Chetan Mehrotra
> Fix For: 1.6
>
>
> Currently as part of commit the caller can provide a CommitInfo instance
> which captures some metadata related to commit being performed. Note that
> CommitInfo instance passed to NodeStore is immutable.
> For some usecases we need a way to add some more metadata to on going
> commit from within the CommitHook
> * OAK-4586 - Here we need to record nodetypes of nodes which got modified as
> part of current commit
> * OAK-4412 - Here we want to generate Documents for modified nodestate (per
> index definition) and "attach" it to current commit
> This meta information would later be used by Observer.
> To enable such cases some mutable state needs to be exposed as part of
> CommitInfo which can be used by CommitHooks.
> As per discussion of DL [1] this can be done by adding a new
> {{CommitAttributes}} instance which can be accessed from {{CommitInfo}}
> [1]
> http://mail-archives.apache.org/mod_mbox/jackrabbit-oak-dev/201608.mbox/%3CCAHCW-mk%3DTMQ_q20dPSmdr7Q%3DcR8OfMDdJceDTd-pGs0pk_cK0g%40mail.gmail.com%3E
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