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From Jakub Malý (JIRA) <j...@apache.org>
Subject [jira] [Commented] (JCR-2280) Lazy initialize ItemDefinition
Date Thu, 25 Jul 2013 20:27:48 GMT

    [ https://issues.apache.org/jira/browse/JCR-2280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13720008#comment-13720008
] 

Jakub Malý commented on JCR-2280:
---------------------------------

This improvement was committed to 1.6 branch as well and it is not part of the release notes.
                
> Lazy initialize ItemDefinition
> ------------------------------
>
>                 Key: JCR-2280
>                 URL: https://issues.apache.org/jira/browse/JCR-2280
>             Project: Jackrabbit Content Repository
>          Issue Type: Improvement
>          Components: jackrabbit-core
>            Reporter: Marcel Reutegger
>            Priority: Minor
>             Fix For: 2.0-alpha11
>
>         Attachments: JCR-2280.patch
>
>
> The item definition is currently set immediately when an ItemData is instantiated. Accessing
nodes usually does not require reading the item definition, thus it is not necessary to load/set
it that early.
> Lazy initialization also has the benefit that content migration in an upgrade scenario
becomes easier. Instead of throwing an exception early, jackrabbit could allow access to the
item until an item definition is really required for the operation.

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