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From "Michael McCandless (JIRA)" <>
Subject [jira] Commented: (LUCENE-1849) Add OutOfOrderCollector and InOrderCollector subclasses of Collector
Date Wed, 26 Aug 2009 09:23:59 GMT


Michael McCandless commented on LUCENE-1849:

We do need to index your memory cells!

Except: that entry is showing the [sizable] perf gains of disabling scoring when sorting by
field (I think?). We were instead looking for the comparison of BooleanScorer vs BoolenScorer2.

> Add OutOfOrderCollector and InOrderCollector subclasses of Collector
> --------------------------------------------------------------------
>                 Key: LUCENE-1849
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Wish
>          Components: Search
>    Affects Versions: 2.9
>            Reporter: Tim Smith
>            Priority: Minor
>             Fix For: 2.9
> I find myself always having to implement these methods, and i always return a constant
(depending on if the collector can handle out of order hits)
> would be nice for these two convenience abstract classes to exist that implemented acceptsDocsOutOfOrder()
as final and returned the appropriate value

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