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https://issues.apache.org/jira/browse/LUCENE-6367?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14375556#comment-14375556
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Robert Muir commented on LUCENE-6367:
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i think the boolean is fine. For the other subclasses, they are taking
"patterns" and inspecting characters for that reason, so thats different.
> Can PrefixQuery subclass AutomatonQuery?
> ----------------------------------------
>
> Key: LUCENE-6367
> URL: https://issues.apache.org/jira/browse/LUCENE-6367
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Fix For: Trunk, 5.1
>
> Attachments: LUCENE-6367.patch
>
>
> Spinoff/blocker for LUCENE-5879.
> It seems like PrefixQuery should "simply" be an AutomatonQuery rather than
> specializing its own TermsEnum ... with maybe some performance improvements
> to ByteRunAutomaton.run to short-circuit once it's in a "sink state",
> AutomatonTermsEnum could be just as fast as PrefixTermsEnum.
> If we can do this it will make LUCENE-5879 simpler.
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