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From "Robert Muir (Commented) (JIRA)" <>
Subject [jira] [Commented] (LUCENE-3464) Rename IndexReader.reopen to make it clear that reopen may not happen
Date Mon, 21 Nov 2011 20:20:51 GMT


Robert Muir commented on LUCENE-3464:

In my patch FIR returns whatever the underlying reader does.

If you want this to be UOE *if doReopen is not overridden*, well, you know how to do that
> Rename IndexReader.reopen to make it clear that reopen may not happen
> ---------------------------------------------------------------------
>                 Key: LUCENE-3464
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Bug
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>             Fix For: 3.5, 4.0
>         Attachments: LUCENE-3464.3x.patch, LUCENE-3464.patch, LUCENE-3464.patch, LUCENE-3464_see_its_just_fine.patch
> Spinoff from LUCENE-3454 where Shai noted this inconsistency.
> IR.reopen sounds like an unconditional operation, which has trapped users in the past
into always closing the old reader instead of only closing it if the returned reader is new.
> I think this hidden maybe-ness is trappy and we should rename it (maybeReopen?  reopenIfNeeded?).
> In addition, instead of returning "this" when the reopen didn't happen, I think we should
return null to enforce proper usage of the maybe-ness of this API.

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