Dawid Weiss created LUCENE-10139:
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Summary: ExternalRefSorter should return a covariant with a
subtype of BytesRefIterator that is Closeable
Key: LUCENE-10139
URL: https://issues.apache.org/jira/browse/LUCENE-10139
Project: Lucene - Core
Issue Type: Improvement
Reporter: Dawid Weiss
Assignee: Dawid Weiss
This is a trivial cleanup to make ExternalRefSorter return a covariant subtype
of BytesRefIterator that is Closeable. This way callers of iterator() have a
way of making sure I/O resources are closed without fully exhausting the
iterator (in case of exceptions happening somewhere while scanning the byte
refs, for example).
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