pkuwm commented on a change in pull request #647: Add java API to create 
cluster with CloudConfig
URL: https://github.com/apache/helix/pull/647#discussion_r356375225
 
 

 ##########
 File path: helix-core/src/main/java/org/apache/helix/tools/ClusterSetup.java
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 @@ -176,6 +179,30 @@ public void close() {
     }
   }
 
+  public void addCluster(String clusterName, boolean overwritePrevious, 
boolean isCloudEnabled)
 
 Review comment:
   Just my 2 cents: to me, passing a boolean param to a method to determine the 
behavior is kind of code smell.
   See https://martinfowler.com/bliki/FlagArgument.html
   Can we have a better design for this?

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