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From "Simon Willnauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-4046) Allows IOException in DocsEnum#freq()
Date Sun, 13 May 2012 20:09:50 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-4046?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13274326#comment-13274326
] 

Simon Willnauer commented on LUCENE-4046:
-----------------------------------------

This makes perfect sense to me. While I don't see a very common usecase the entire codec stuff
is more or less for uncommon usecases. Can you come up with a patch for this?
                
> Allows IOException in DocsEnum#freq()
> -------------------------------------
>
>                 Key: LUCENE-4046
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4046
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: core/index
>            Reporter: Renaud Delbru
>              Labels: codec, index
>             Fix For: 4.0
>
>
> Currently, DocsEnum#freq() does not allow IOException. This is problematic if somebody
wants to implement a codec that allows lazy loading of freq. Frequency will be read and decoded
only when #freq() will be called, therefore calling IndexInput's read methods that can throw
IOException.
> The current workaround is to catch the IOException in freq() and ignore it (which is
not very nice and not a good solution).

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