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https://issues.apache.org/jira/browse/LUCENE-1483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12655963#action_12655963
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Uwe Schindler commented on LUCENE-1483:
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{quote}bq. adding a return type to the collect/hit method? ... ie: an enum
style result indicating "OK" or "ABORT" (with the potential of adding
additional constants later ala FieldSelectorResult)
I think we should consider this, though this then implies an if stmt checking
the return result & doing something, on each hit, so we should test the cost of
doing so vs the cost of throwing an exception instead (eg we could define a
typed exception in this new interface which means "abort the search now" and
maybe another to mean "stop searching & return the results you got so far",
etc.).{quote}
This looks like a really good idea. Currently to stop a iterator, I use an
exception class that extends RuntimeException (to have it unchecked) to cancel
a search. Very nice if you support it directly.
> Change IndexSearcher to use MultiSearcher semantics for multiple subreaders
> ---------------------------------------------------------------------------
>
> Key: LUCENE-1483
> URL: https://issues.apache.org/jira/browse/LUCENE-1483
> Project: Lucene - Java
> Issue Type: Improvement
> Affects Versions: 2.9
> Reporter: Mark Miller
> Priority: Minor
> Attachments: LUCENE-1483.patch, LUCENE-1483.patch, LUCENE-1483.patch,
> LUCENE-1483.patch, LUCENE-1483.patch, LUCENE-1483.patch, LUCENE-1483.patch,
> LUCENE-1483.patch, LUCENE-1483.patch, LUCENE-1483.patch
>
>
> FieldCache and Filters are forced down to a single segment reader, allowing
> for individual segment reloading on reopen.
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