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From Michael Dürig (JIRA) <j...@apache.org>
Subject [jira] Created: (JCR-2714) Selective disabling of checks in ItemValidator
Date Thu, 12 Aug 2010 23:36:17 GMT
Selective disabling of checks in ItemValidator
----------------------------------------------

                 Key: JCR-2714
                 URL: https://issues.apache.org/jira/browse/JCR-2714
             Project: Jackrabbit Content Repository
          Issue Type: Improvement
          Components: jackrabbit-core
    Affects Versions: 2.2.0
            Reporter: Michael Dürig
            Assignee: Michael Dürig
         Attachments: JCR-2714.patch

I would like to be able to selectively disable checks in ItemValidator in the scope of an
operation performed through methods of the SessionState class. Doing so would provide simple
means for internally modifying (for example) protected items. Currently such modifications
must be done 'manually' on the item state level. This approach is very error prone and not
very DRY.

With my upcoming patch in place, setting a protected property would look like this:

final Node parent = ...
final Value value = ...
SessionState sessionState = sessionContext.getSessionState();

Property property = sessionState.performUnchecked(new SessionOperation<Property>() {
    public Property perform(SessionContext context) throws RepositoryException {
        return parent.setProperty("foo", value);
    }
}, ItemValidator.CHECK_CONSTRAINTS);

That is, users need to have access to the session context in order to disable checks which
makes this only usable from inside Jackrabbit. 

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