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Posted to oak-dev@jackrabbit.apache.org by "Jukka Zitting (JIRA)" <ji...@apache.org> on 2012/06/25 14:46:42 UTC

[jira] [Created] (OAK-150) Basic JCR LockManager support

Jukka Zitting created OAK-150:
---------------------------------

             Summary: Basic JCR LockManager support
                 Key: OAK-150
                 URL: https://issues.apache.org/jira/browse/OAK-150
             Project: Jackrabbit Oak
          Issue Type: Improvement
          Components: jcr
            Reporter: Jukka Zitting
            Assignee: Jukka Zitting


Even though we currently don't (and perhaps never will) support full JCR locking functionality in Oak, it would still be good to have a basic LockManager implementation for clients that assume it's present and use it simply to access lock tokens and to ask whether a particular node is locked or not.

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[jira] [Commented] (OAK-150) Basic JCR LockManager support

Posted by "Jukka Zitting (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/OAK-150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13400477#comment-13400477 ] 

Jukka Zitting commented on OAK-150:
-----------------------------------

In revision 1353536 I added a basic LockManager implementation and a naive locking implementation that simply uses the presence of the jcr:lockOwner and jcr:lockIsDeep properties to determine whether a node is locked or not. No synchronization or even validation of locking status is present for now.
                
> Basic JCR LockManager support
> -----------------------------
>
>                 Key: OAK-150
>                 URL: https://issues.apache.org/jira/browse/OAK-150
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: jcr
>            Reporter: Jukka Zitting
>            Assignee: Jukka Zitting
>              Labels: locking
>
> Even though we currently don't (and perhaps never will) support full JCR locking functionality in Oak, it would still be good to have a basic LockManager implementation for clients that assume it's present and use it simply to access lock tokens and to ask whether a particular node is locked or not.

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[jira] [Commented] (OAK-150) Basic JCR LockManager support

Posted by "Julian Reschke (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/OAK-150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13400466#comment-13400466 ] 

Julian Reschke commented on OAK-150:
------------------------------------

As far as I recall, MS Office (when using WebDAV) expects:

- that the LOCK operation succeeds and returns a lock token
- that timeout information is preserved and actually works (if the lock token is lost)
- that the lock token can be discovered (WebDAV DAV:lockdiscovery)

Support for user-supplied owner information probably might not be necessary anymore.

The MacOS webdav stack IMHO also tries to LOCK and will otherwise fail (?). Dunno what features it needs specifically.


                
> Basic JCR LockManager support
> -----------------------------
>
>                 Key: OAK-150
>                 URL: https://issues.apache.org/jira/browse/OAK-150
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: jcr
>            Reporter: Jukka Zitting
>            Assignee: Jukka Zitting
>              Labels: locking
>
> Even though we currently don't (and perhaps never will) support full JCR locking functionality in Oak, it would still be good to have a basic LockManager implementation for clients that assume it's present and use it simply to access lock tokens and to ask whether a particular node is locked or not.

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[jira] [Commented] (OAK-150) Basic JCR LockManager support

Posted by "Michael Dürig (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/OAK-150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13401328#comment-13401328 ] 

Michael Dürig commented on OAK-150:
-----------------------------------

Optimally we'd provide lock support for non clustered setups and provide a hook where lock support could be plugged in for other cases. This way custom lock implementation - possibly through external coordinators like Apache Zookeeper - are still possible.
                
> Basic JCR LockManager support
> -----------------------------
>
>                 Key: OAK-150
>                 URL: https://issues.apache.org/jira/browse/OAK-150
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: jcr
>            Reporter: Jukka Zitting
>            Assignee: Jukka Zitting
>              Labels: locking
>
> Even though we currently don't (and perhaps never will) support full JCR locking functionality in Oak, it would still be good to have a basic LockManager implementation for clients that assume it's present and use it simply to access lock tokens and to ask whether a particular node is locked or not.

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