slfan1989 commented on code in PR #4317:
URL: https://github.com/apache/hadoop/pull/4317#discussion_r875242021
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hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/main/java/org/apache/hadoop/yarn/server/router/clientrm/RouterYarnClientUtils.java:
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@@ -218,4 +225,75 @@ public static GetClusterNodesResponse
mergeClusterNodesResponse(
clusterNodesResponse.setNodeReports(nodeReports);
return clusterNodesResponse;
}
+
+ /**
+ * Merges a list of GetNodesToLabelsResponse.
+ *
+ * @param responses a list of GetNodesToLabelsResponse to merge.
+ * @return the merged GetNodesToLabelsResponse.
+ */
+ public static GetNodesToLabelsResponse mergeNodesToLabelsResponse(
+ Collection<GetNodesToLabelsResponse> responses) {
+ GetNodesToLabelsResponse nodesToLabelsResponse = Records.newRecord(
+ GetNodesToLabelsResponse.class);
+ Map<NodeId, Set<String>> nodesToLabelMap = new HashMap<>();
+ for (GetNodesToLabelsResponse response : responses) {
+ if (response != null && response.getNodeToLabels() != null) {
+ nodesToLabelMap.putAll(response.getNodeToLabels());
+ }
+ }
+ nodesToLabelsResponse.setNodeToLabels(nodesToLabelMap);
+ return nodesToLabelsResponse;
+ }
+
+ /**
+ * Merges a list of GetLabelsToNodesResponse.
+ *
+ * @param responses a list of GetLabelsToNodesResponse to merge.
+ * @return the merged GetLabelsToNodesResponse.
+ */
+ public static GetLabelsToNodesResponse mergeLabelsToNodes(
+ Collection<GetLabelsToNodesResponse> responses){
+ GetLabelsToNodesResponse labelsToNodesResponse = Records.newRecord(
+ GetLabelsToNodesResponse.class);
+ Map<String, Set<NodeId>> labelsToNodesMap = new HashMap<>();
+ for (GetLabelsToNodesResponse response : responses) {
+ if (response != null && response.getLabelsToNodes() != null) {
+ Map<String, Set<NodeId>> clusterLabelsToNodesMap =
response.getLabelsToNodes();
+ for (Map.Entry<String, Set<NodeId>> entry :
clusterLabelsToNodesMap.entrySet()) {
+ String label = entry.getKey();
+ Set<NodeId> clusterNodes = entry.getValue();
+ if (labelsToNodesMap.containsKey(label)) {
+ Set<NodeId> allNodes = labelsToNodesMap.get(label);
+ allNodes.addAll(clusterNodes);
+ } else {
+ labelsToNodesMap.put(label, clusterNodes);
+ }
+ }
+ }
+ }
+ labelsToNodesResponse.setLabelsToNodes(labelsToNodesMap);
+ return labelsToNodesResponse;
+ }
+
+ /**
+ * Merges a list of GetClusterNodeLabelsResponse.
+ *
+ * @param responses a list of GetClusterNodeLabelsResponse to merge.
+ * @return the merged GetClusterNodeLabelsResponse.
+ */
+ public static GetClusterNodeLabelsResponse mergeClusterNodeLabelsResponse(
Review Comment:
I will add new Junit Test.
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