rpuch commented on code in PR #5612:
URL: https://github.com/apache/ignite-3/pull/5612#discussion_r2039764925
##########
modules/table/src/main/java/org/apache/ignite/internal/table/distributed/TableManager.java:
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@@ -3069,13 +3068,15 @@ public void
setStreamerReceiverRunner(StreamerReceiverRunner runner) {
}
public Set<TableImpl> zoneTables(int zoneId) {
- return tablesPerZone.computeIfAbsent(zoneId, id -> new HashSet<>());
+ // Using a concurrent set as a value as it can be read (and iterated
over) without any synchronization by external callers.
+ return tablesPerZone.computeIfAbsent(zoneId, id ->
ConcurrentHashMap.newKeySet());
Review Comment:
No, we don't rely on set 'sharedness'. I agree, `getOrDefault()` is better,
I changed the code.
I also made another change: public `zoneTables()` now makes a defensive copy.
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