[jira] Updated: (LUCENE-2648) Allow PackedInts.ReaderIterator to advance more than one value

["Simon Willnauer (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-2648?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Simon Willnauer updated LUCENE-2648:
------------------------------------

    Attachment: LUCENE-2648.patch

here is a patch - comments welcome

> Allow PackedInts.ReaderIterator to advance more than one value
> --------------------------------------------------------------
>
>                 Key: LUCENE-2648
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2648
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Other
>    Affects Versions: 4.0
>            Reporter: Simon Willnauer
>            Assignee: Simon Willnauer
>            Priority: Minor
>         Attachments: LUCENE-2648.patch
>
>
> The iterator-like API in LUCENE-2186 makes effective use of PackedInts.ReaderIterator but frequently skips multiple values. ReaderIterator currently requires to loop over ReaderInterator#next() to advance to a certain value. We should allow ReaderIterator to expose a #advance(ord) method to make use-cases like that more efficient. 
> This issue is somewhat part of my efforts to make LUCENE-2186 smaller while breaking it up in little issues for parts which can be generally useful.

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