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https://issues.apache.org/jira/browse/OAK-775?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13632881#comment-13632881
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Michael Dürig commented on OAK-775:
-----------------------------------
At revision 1468434 I committed a first version of a "more backward compatible"
version of observation as described. The implementation currently lives in its
own package {{observation2}} and is disabled by default. It can be globally
enabled by specifying {{-DOAK-775=true}} on the command line. In addition to
the test passing with the existing implementation this implementation also
passes the user id and user data related TCK tests ({{EventTest#testGetUserId,
GetUserDataTest#testSave, GetUserDataTest#testWorkspaceOperation}}).
To be done:
* Unify the implementations in {{observation}} and {{observation2}} to reduce
code duplications
* Allow clients to select the implementation when registering an event listener
* Filter events by session access restrictions
* Clarify security implications of the event queue
> Implement backward compatible observation
> -----------------------------------------
>
> Key: OAK-775
> URL: https://issues.apache.org/jira/browse/OAK-775
> Project: Jackrabbit Oak
> Issue Type: Sub-task
> Components: core, jcr
> Reporter: Michael Dürig
> Assignee: Michael Dürig
> Attachments: OAK-775.patch
>
>
> As [discussed | http://markmail.org/message/6bqycmx6vbq7m25c] we might want
> look into implementing an alternative approach to observation, which trades
> some scalability for improved backward compatibility.
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