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From "Shai Erera (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-1849) Add OutOfOrderCollector and InOrderCollector subclasses of Collector
Date Mon, 24 Aug 2009 20:20:59 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-1849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12747050#action_12747050
] 

Shai Erera commented on LUCENE-1849:
------------------------------------

If we want to help people impl Collector, then let's at least make a useful subclass, like
ScoringCollector which impls setScorer and setNextReader by keeping Scorer and docBase. It
will leave you to impl collect() however you want.

But just have an AbstractCollector which stores everything that the setter methods passed
does not look a good idea to me. What do you think?

> Add OutOfOrderCollector and InOrderCollector subclasses of Collector
> --------------------------------------------------------------------
>
>                 Key: LUCENE-1849
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1849
>             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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