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https://issues.apache.org/jira/browse/LUCENE-5187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13748521#comment-13748521
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Robert Muir commented on LUCENE-5187:
-------------------------------------
+1
In the case of grouping tests, is it really safe to change this way?
{noformat}
// NOTE: intentional but temporary field cache insanity!
- final FieldCache.Ints docIdToFieldId = FieldCache.DEFAULT.getInts(new
SlowCompositeReaderWrapper(r), "id", false);
+ final FieldCache.Ints docIdToFieldId =
FieldCache.DEFAULT.getInts(SlowCompositeReaderWrapper.wrap(r), "id", false);
{noformat}
if needed, Maybe instead, we should force compositeness by e.g. inserting an
empty reader if necessary or whatever. but i'm not even sure what this test is
doing.
> Make SlowCompositeReaderWrapper constructor private
> ---------------------------------------------------
>
> Key: LUCENE-5187
> URL: https://issues.apache.org/jira/browse/LUCENE-5187
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Adrien Grand
> Assignee: Adrien Grand
> Priority: Minor
> Attachments: LUCENE-5187.patch
>
>
> I found a couple of places in the code base that duplicate the logic of
> SlowCompositeReaderWrapper.wrap. I think {{SlowCompositeReaderWrapper.wrap}}
> (vs. new SlowCompositeReaderWrapper) is what users need so we should probably
> make SlowCompositeReaderWrapper constructor private to enforce usage of
> {{wrap}}.
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