alievmirza commented on code in PR #1391:
URL: https://github.com/apache/ignite-3/pull/1391#discussion_r1043157578
##########
modules/distribution-zones/src/main/java/org/apache/ignite/internal/distributionzones/DistributionZoneManager.java:
##########
@@ -197,12 +235,114 @@ public CompletableFuture<Void> dropZone(String name) {
/** {@inheritDoc} */
@Override
public void start() {
-
+ zonesConfiguration.distributionZones().listenElements(new
ZonesConfigurationListener());
}
/** {@inheritDoc} */
@Override
public void stop() throws Exception {
}
+
+ private class ZonesConfigurationListener implements
ConfigurationNamedListListener<DistributionZoneView> {
+ @Override
+ public CompletableFuture<?>
onCreate(ConfigurationNotificationEvent<DistributionZoneView> ctx) {
+ updateMetaStorageOnZoneCreateOrUpdate(ctx.newValue().zoneId(),
ctx.storageRevision());
+
+ return completedFuture(null);
+ }
+
+ @Override
+ public CompletableFuture<?>
onDelete(ConfigurationNotificationEvent<DistributionZoneView> ctx) {
+ updateMetaStorageOnZoneDelete(ctx.oldValue().zoneId(),
ctx.storageRevision());
+
+ return completedFuture(null);
+ }
+
+ @Override
+ public CompletableFuture<?>
onUpdate(ConfigurationNotificationEvent<DistributionZoneView> ctx) {
+ updateMetaStorageOnZoneCreateOrUpdate(ctx.newValue().zoneId(),
ctx.storageRevision());
Review Comment:
As far as I can understand, if we get here, that means that any of
`dataNodesAutoAdjust()`, `dataNodesAutoAdjustScaleUp()`,
`dataNodesAutoAdjustScaleDown()` has been changed, so there is no "other
cases". Case with the renaming will be handled by separate handler `onRename`
(btw, we've agreed recently that we do nothing on `onRename`)
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