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From "Tobias Bocanegra (JIRA)" <j...@apache.org>
Subject [jira] Commented: (JCR-1672) Adding Event interface and isLocal()
Date Mon, 28 Jul 2008 09:03:33 GMT

    [ https://issues.apache.org/jira/browse/JCR-1672?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12617388#action_12617388
] 

Tobias Bocanegra commented on JCR-1672:
---------------------------------------

IMO isExternal() is a good choice, since it not entirely tied to a cluster setup. It just
specifies that the
underlying data was changed but the modification did not go through 'this' repository. theoretically
one could modify the values in the DB directly and then send such an event (which is of course
discouraged :-).

> Adding Event interface and isLocal()
> ------------------------------------
>
>                 Key: JCR-1672
>                 URL: https://issues.apache.org/jira/browse/JCR-1672
>             Project: Jackrabbit
>          Issue Type: Improvement
>          Components: jackrabbit-api, jackrabbit-core
>    Affects Versions: 1.4
>            Reporter: Carsten Ziegeler
>             Fix For: 1.5
>
>         Attachments: jackrabbit.patch, localeventlistener.patch
>
>
> when a repository cluster is used, it seems that a common problem many people have is
to detect if an observation event is send because of changes on the local instance or a remote
instance of the cluster.
> This is especially important if you want to do post processing of data
> based on observation (the post processing should only be done by one instance in the
cluster).
> A current solution is to cast the jcr event object to the EventImpl of jackrabbit core
which is obviously not a nice solution :)
> So what about adding an event interface to jackrabbit api which extends the jcr event
interface and adds the isLocal() method? 

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