[GitHub] [incubator-nemo] johnyangk commented on a change in pull request #270: [NEMO-429] SWPP TEAM4 Code Smell Fix

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johnyangk commented on a change in pull request #270: [NEMO-429] SWPP TEAM4 Code Smell Fix
URL: https://github.com/apache/incubator-nemo/pull/270#discussion_r353589838
 
 

 ##########
 File path: common/src/main/java/org/apache/nemo/common/StateMachine.java
 ##########
 @@ -255,7 +258,7 @@ private Builder() {
      */
     public Builder addState(final Enum stateEnum, final String description) {
       if (stateEnumSet.contains(stateEnum)) {
-        throw new RuntimeException("A state " + stateEnum + " was already added");
+        throw new RuntimeException(RE_prefix + stateEnum + " was already added");
 
 Review comment:
   stateEnum + " was already added"
   
   (drop RE_prefix)

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