[jira] [Updated] (OAK-5013) Introduce observation filter extension mechanism to Oak

["Stefan Egli (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OAK-5013?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stefan Egli updated OAK-5013:
-----------------------------
    Attachment: OAK-5013.patch

Attached [^OAK-5013.patch] shows a static factory and an abstract base class {{OakEventFilter}} which could serve as an API. Later changes to the {{OakEventFilter}} could then be done in a way that existing client code would not have to be touched ("@ProviderType")

> Introduce observation filter extension mechanism to Oak
> -------------------------------------------------------
>
>                 Key: OAK-5013
>                 URL: https://issues.apache.org/jira/browse/OAK-5013
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: jcr
>    Affects Versions: 1.5.12
>            Reporter: Stefan Egli
>            Assignee: Stefan Egli
>         Attachments: OAK-5013.patch
>
>
> During [discussions|http://markmail.org/thread/fyngo4dwb7fvlqdj] regarding extending JackrabbitEventFilter an interesting suggestion by [~mduerig] came up that we could extend the JackrabbitEventFilter in oak explicitly, rather than modifying it in Jackrabbit each time we add something oak-specific.
> We should introduce a builder/interface pair in oak to reflect that. 
> Users that would like to use such oak-specific extensions would wrap a JackrabbitEventFilter and get an OakEventFilter that contains enabling these extensions.



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