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From "Thomas Mueller (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OAK-75) specify format and semantics of 'filter' parameter in MicroKernel API
Date Mon, 07 May 2012 07:37:58 GMT

    [ https://issues.apache.org/jira/browse/OAK-75?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13269429#comment-13269429
] 

Thomas Mueller commented on OAK-75:
-----------------------------------

+1 for the patch!

> node name filtering ... large node lists

Sounds good to me. Even if we wouldn't currently specify node name filters, it still would
make sense to rename the property name filters, from "excl" to "exclProperties" / from "incl"
to "inclProperties" or something like this (I mean make it clear that those are property name
filters). In that way node name filters could be added later on without the filter names becoming
ambiguous.
                
> specify format and semantics of 'filter' parameter in MicroKernel API
> ---------------------------------------------------------------------
>
>                 Key: OAK-75
>                 URL: https://issues.apache.org/jira/browse/OAK-75
>             Project: Jackrabbit Oak
>          Issue Type: New Feature
>          Components: mk
>            Reporter: Stefan Guggisberg
>         Attachments: OAK-83.patch
>
>
> the following MicroKernel methods contain a 'filter' string parameter:
> - getJournal
> - diff
> - getNodes
> through the filter an API client could e.g. specify:
> - special 'meta' properties to be included (e.g. ":hash")
> - glob patterns on the names of properties/child nodes to be included/excluded
> - path filter (for getJournal and diff)
> format/detailed semantics TBD, here's an initial proposal (json):
> {code} 
> {
>   "path" : "/some/path",
>   "incl" : [ ":hash", "*" ],
>   "excl" : [ "tmp*" ]
> }
> {code} 
> name filter patterns should ideally be the same 
> format as specified for JCR Node.getNodes/getProperties.

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