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From "Michael McCandless (JIRA)" <>
Subject [jira] Commented: (LUCENE-1923) Add toString() or getName() method to IndexReader
Date Wed, 23 Sep 2009 14:15:16 GMT


Michael McCandless commented on LUCENE-1923:


> Add toString() or getName() method to IndexReader
> -------------------------------------------------
>                 Key: LUCENE-1923
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Wish
>          Components: Index
>            Reporter: Tim Smith
> It would be very useful for debugging if IndexReader either had a getName() method, or
a toString() implementation that would get a string identification for the reader.
> for SegmentReader, this would return the same as getSegmentName()
> for Directory readers, this would return the "generation id"?
> for MultiReader, this could return something like "multi(sub reader name, sub reader
name, sub reader name, ...)
> right now, i have to check instanceof for SegmentReader, then call getSegmentName(),
and for all other IndexReader types, i would have to do something like get the IndexCommit
and get the generation off it (and this may throw UnsupportedOperationException, at which
point i have would have to recursively walk sub readers and try again)
> I could work up a patch if others like this idea

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