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From Michael Dürig (JIRA) <j...@apache.org>
Subject [jira] [Commented] (OAK-75) specify format and semantics of 'filter' parameter in MicroKernel API
Date Mon, 07 May 2012 09:57:51 GMT

    [ https://issues.apache.org/jira/browse/OAK-75?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13269483#comment-13269483
] 

Michael Dürig commented on OAK-75:
----------------------------------

Regarding the filter syntax: couldn't we make it a bit more lightweight and general? For example

{code}
{
  nodes: [ "foo\*", "\-foo1" ],
  properties: [ "bar\*", "tmp" ]
}
{code}

would only include nodes whose names start with "foo" and whose name is not "foo1" and all
properties whose name start with "bar" or whose name is "tmp".
                
> 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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