[GitHub] [helix] xyuanlu commented on a diff in pull request #2055: support common input for operational input on Maintenance Management API

[GitBox <gi...@apache.org>]

xyuanlu commented on code in PR #2055:
URL: https://github.com/apache/helix/pull/2055#discussion_r854572778


##########
helix-rest/src/main/java/org/apache/helix/rest/clusterMaintenanceService/MaintenanceManagementService.java:
##########
@@ -361,13 +364,20 @@ private MaintenanceManagementInstanceInfo takeFreeSingleInstanceHelper(String cl
           PerInstanceAccessor.PerInstanceProperties.continueOnFailures.name();
       Map<String, Map<String, String>> operationConfigSet = new HashMap<>();
 
+      Map<String, String> commonOperationConfig =
+          (operationConfig == null || !operationConfig.containsKey(OPERATION_CONFIG_SHARED_INPUT))
+              ? Collections.emptyMap()
+              : getMapFromJsonPayload(operationConfig.get(OPERATION_CONFIG_SHARED_INPUT));
+
       // perform operation check
       for (OperationInterface operationClass : operationAbstractClassList) {
         String operationClassName = operationClass.getClass().getName();
         Map<String, String> singleOperationConfig =
             (operationConfig == null || !operationConfig.containsKey(operationClassName))
                 ? Collections.emptyMap()
                 : getMapFromJsonPayload(operationConfig.get(operationClassName));
+        commonOperationConfig
+            .forEach((key, value) -> singleOperationConfig.merge(key, value, (v1, v2) -> v1));

Review Comment:
   TFTR. Good point. Updated.



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