vsop-479 commented on code in PR #13596: URL: https://github.com/apache/lucene/pull/13596#discussion_r1756202375
########## lucene/test-framework/src/java/org/apache/lucene/tests/index/PerThreadPKLookup.java: ########## @@ -97,5 +174,28 @@ 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 PerThreadPKLookup instance which you must + * eventually close its reader by {@link #closeReader}. + * @throws IOException if there is a low-level IO error. + */ + public PerThreadPKLookup reopen() throws IOException { + DirectoryReader newReader = DirectoryReader.openIfChanged((DirectoryReader) reader); + if (newReader == null) { + return null; + } + + return new PerThreadPKLookup(this, newReader); Review Comment: > we could factor the two constructors together, e.g. by having a private constructor take a Map<CacheKey, PerSegmentCorePKLookup> cache I merged the two constructors into one, but didn't add a split `PerSegmentCorePKLookup` for cache. Since I only cached the index(Integer) of enums array, like this: `Map<IndexReader.CacheKey, Integer> enumIndexes`. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For additional commands, e-mail: issues-h...@lucene.apache.org