sergeyuttsel commented on code in PR #1729:
URL: https://github.com/apache/ignite-3/pull/1729#discussion_r1156780212
##########
modules/distribution-zones/src/main/java/org/apache/ignite/internal/distributionzones/DistributionZoneManager.java:
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@@ -484,6 +537,189 @@ public int getZoneId(String name) {
}
}
+ /**
+ * The method for obtaining data nodes of the specified zone.
+ * The flow for the future completion:
+ * Waiting for DistributionZoneManager observe passed topology version in
topologyWatchListener.
+ * If the {@link
DistributionZoneConfigurationSchema#dataNodesAutoAdjustScaleUp} equals to 0
than wait for writing started nodes
+ * corresponding to the topology version to data nodes into the meta
storage .
+ * If the {@link
DistributionZoneConfigurationSchema#dataNodesAutoAdjustScaleDown} equals to 0
than wait for writing stopped nodes
+ * corresponding to the topology version to data nodes into the meta
storage .
+ *
+ * @param zoneId Zone id.
+ * @param topVer Topology version.
+ * @return The data nodes future.
+ */
+ public CompletableFuture<Set<String>> topologyVersionDataNodes(int zoneId,
long topVer) {
+ CompletableFuture<Set<String>> dataNodesFut = new
CompletableFuture<>();
+
+ CompletableFuture<Void> topVerFut;
+
+ synchronized (dataNodesMutex) {
+ if (topVer > lastTopVer) {
+ topVerFut = topVerFutures.computeIfAbsent(topVer, key -> new
CompletableFuture<>());
+ } else {
+ topVerFut = completedFuture(null);
+ }
+ }
+
+ var immediateScaleUp = new AtomicBoolean();
+ var immediateScaleDown = new AtomicBoolean();
+
+ topVerFut = topVerFut.thenAccept(ignored -> {
+ boolean immediateScaleUp0 = false;
Review Comment:
Fixed. AtomicBoolean was removed.
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