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From "Alexander Klimetschek (JIRA)" <j...@apache.org>
Subject [jira] Commented: (JCR-2233) JSR-283: mix:created/mix:lastModified - auto-set but allow modification for imports
Date Wed, 29 Jul 2009 22:23:14 GMT

    [ https://issues.apache.org/jira/browse/JCR-2233?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12736873#action_12736873
] 

Alexander Klimetschek commented on JCR-2233:
--------------------------------------------

> and might result in unexpected behaviors, such as properties are modified that are outside
of the "scope" of you modifications.

I thought so as well, but actually this would not be a big problem, as the client won't have
to take care of calling save() for that. So the only thing that might happen unexpectedly
would be observation events, but I am not sure if these should be triggered in that case (only
for the content modified by the client, but not the jcr:lastModified of the parent).

> JSR-283: mix:created/mix:lastModified - auto-set but allow modification for imports
> -----------------------------------------------------------------------------------
>
>                 Key: JCR-2233
>                 URL: https://issues.apache.org/jira/browse/JCR-2233
>             Project: Jackrabbit Content Repository
>          Issue Type: Improvement
>          Components: jackrabbit-core, JCR 2.0
>            Reporter: Alexander Klimetschek
>            Priority: Minor
>             Fix For: 2.0.0
>
>
> Following the discussion in JCR-2116, I propose it would be a good idea to have jcr:created,
jcr:createdBy (from mix:created) and jcr:lastModified, jcr:lastModifiedBy (mix:lastModified)
not protected, but still automatically set those properties in case they were not modified
by the client.
> Three advantages:
> a) This allows for importing content with these properties, where eg. the jcr:created
should point to the original creation date of the content, not when it was imported.
> b) Same for jcr:lastModified, which often must be set manually for ensuring correct behaviour
when doing synchronizations etc.
> c) In order to take advantage of the automatically-set behaviour mentioned in the spec,
it would be nice if the repository would set them in the case the client is not writing those
properties. This way you can ensure the properties are correctly set when you cannot control
all client-code modifying the content (eg. webdav).
> Question: would this be in line with the spec? I would say, yes, since we say we don't
implement "protected", which is allowed, but add a hybrid approach (which is not explicitly
forbidden, IIUC).
> For the reference, here is the definition from the latest JSR-283 doc:
> [mix:lastModified] mixin 
>   - jcr:lastModified (DATE) autocreated protected? OPV? 
>   - jcr:lastModifiedBy (STRING) autocreated protected? OPV? 
> [mix:created] mixin 
>   - jcr:created (DATE) autocreated protected? OPV? 
>   - jcr:createdBy (STRING) autocreated protected? OPV? 
> And here is the current cnd definition in JR 2.0:
> http://svn.apache.org/viewvc/jackrabbit/trunk/jackrabbit-core/src/main/resources/org/apache/jackrabbit/core/nodetype/builtin_nodetypes.cnd?view=co

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