sergeyuttsel commented on code in PR #1729:
URL: https://github.com/apache/ignite-3/pull/1729#discussion_r1131486759
##########
modules/distribution-zones/src/main/java/org/apache/ignite/internal/distributionzones/DistributionZonesUtil.java:
##########
@@ -266,4 +305,32 @@ public static Map<String, Integer>
toDataNodesMap(Set<String> dataNodes) {
return dataNodesMap;
}
+
+ /**
+ * Utility method to check if one byte array starts with a specified
sequence
+ * of bytes.
+ *
+ * @param array The array to check.
+ * @param prefix The prefix bytes to test for.
+ * @return {@code true} if the array starts with the bytes from the prefix.
+ */
+ public static boolean startsWith(byte[] array, byte[] prefix) {
Review Comment:
Thanks, fixed.
##########
modules/distribution-zones/src/main/java/org/apache/ignite/internal/distributionzones/DistributionZoneManager.java:
##########
@@ -480,6 +625,152 @@ public int getZoneId(String name) {
}
}
+ /**
+ * The method for obtaining data nodes of the specified zone. If the
dataNodesAutoAdjustScaleUp or dataNodesAutoAdjustScaleDown
+ * equals to 0 then returned completable future will be completed when
data nodes will be saved to the meta storage.
+ *
+ * @param zoneId Zone id.
+ * @param topVer Topology version.
+ * @return The data nodes future.
+ */
+ public CompletableFuture<Set<String>> getDataNodes(int zoneId, long
topVer) {
Review Comment:
I rework this code and add comments.
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