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From Michael Dürig (Commented) (JIRA) <j...@apache.org>
Subject [jira] [Commented] (OAK-48) MicroKernel.getNodes() should return null for not existing nodes instead of throwing an exception
Date Thu, 05 Apr 2012 12:27:24 GMT

    [ https://issues.apache.org/jira/browse/OAK-48?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13247187#comment-13247187
] 

Michael Dürig commented on OAK-48:
----------------------------------

bq. there's the nodeExists() method if you want to check whether a node at a given path exists.


Which is potentially expensive since it causes an additional round trip to a possibly remote
API. 
                
> MicroKernel.getNodes() should return null for not existing nodes instead of throwing
an exception
> -------------------------------------------------------------------------------------------------
>
>                 Key: OAK-48
>                 URL: https://issues.apache.org/jira/browse/OAK-48
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: mk
>            Reporter: Michael Dürig
>
> As discussed on the list [1, 2] exceptions should only be used for exceptional cases.
Requesting a not existing node through Microkernel.getNodes() should therefore rather return
null instead of throwing an exception.
> [1] http://markmail.org/thread/agibgcdjv756m53u
> [2] http://markmail.org/message/gfbmogwr6mrhe2pm

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