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