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Posted to dev@lucene.apache.org by "Michael McCandless (JIRA)" <ji...@apache.org> on 2010/09/24 11:25:33 UTC

[jira] Resolved: (LUCENE-2586) move intblock/sep codecs into test

     [ https://issues.apache.org/jira/browse/LUCENE-2586?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael McCandless resolved LUCENE-2586.
----------------------------------------

    Resolution: Fixed

Forgot to resolve this...

> move intblock/sep codecs into test
> ----------------------------------
>
>                 Key: LUCENE-2586
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2586
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Index
>    Affects Versions: 4.0
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>             Fix For: 4.0
>
>         Attachments: LUCENE-2586.patch
>
>
> The intblock and sep codecs in core exist to make it easy for people to try different low-level algos for encoding ints.
> Sep breaks docs, freqs, pos, skip data, payloads into 5 separate files (vs 2 files that standard codec uses).
> Intblock further enables the docs, freqs, pos files to encode fixed-sized blocks of ints at a time.
> So an app can easily "subclass" these codecs, using their own int encoder.
> But these codecs are now concrete, and they use dummy low-level block int encoder (eg encoding 128 ints as separate vints).
> I'd like to change these to be abstract, and move these dummy codecs into test.
> The tests would still test these dummy codecs, by rotating them in randomly for all tests.
> I'd also like to rename IntBlock -> FixedIntBlock, because I'm trying to get a VariableIntBlock working well (for int encoders like Simple9, Simple16, whose block size varies depending on the particular values).

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