lhotari commented on code in PR #17465:
URL: https://github.com/apache/pulsar/pull/17465#discussion_r962884348
##########
pulsar-common/src/main/java/org/apache/pulsar/common/util/collections/ConcurrentOpenLongPairRangeSet.java:
##########
@@ -242,6 +242,27 @@ public Range<T> lastRange() {
return Range.openClosed(consumer.apply(lastSet.getKey(), lower),
consumer.apply(lastSet.getKey(), upper));
}
+ @Override
+ public int cardinality(long lowerKey, long lowerValue, long upperKey, long
upperValue) {
+ NavigableMap<Long, BitSet> subMap = rangeBitSetMap.subMap(lowerKey,
true, upperKey, true);
+ MutableInt v = new MutableInt(0);
+ subMap.forEach((ledgerId, bitset) -> {
+ if (ledgerId == lowerKey || ledgerId == upperKey) {
+ BitSet temp = (BitSet) bitset.clone();
+ if (ledgerId == lowerKey) {
+ temp.clear(0, (int) Math.max(0, lowerValue));
+ }
+ if (ledgerId == upperKey) {
+ temp.clear((int) Math.min(upperValue + 1, temp.length()),
temp.length());
+ }
Review Comment:
I seem to understand why it's needed, however it would be useful to add a
comment
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