jpountz commented on code in PR #13596:
URL: https://github.com/apache/lucene/pull/13596#discussion_r1698176820
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lucene/test-framework/src/java/org/apache/lucene/tests/index/PerThreadPKLookup.java:
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@@ -97,5 +111,82 @@ public int lookup(BytesRef id) throws IOException {
return -1;
}
- // TODO: add reopen method to carry over re-used enums...?
+ /**
+ * Reuse loaded segments' termsEnum and postingsEnum.
+ *
+ * @return null if there are no changes; else, a new DirectoryReader
instance which you must
+ * eventually close.
+ * @throws IOException if there is a low-level IO error.
+ */
+ public DirectoryReader reopen() throws IOException {
Review Comment:
Can you make it return a new PerThreadPKLookup instance instead of reopening
in-place?
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