[GitHub] [helix] xyuanlu commented on a change in pull request #1362: Move ST message to state validation from executing phase to scheduling phase.

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

xyuanlu commented on a change in pull request #1362:
URL: https://github.com/apache/helix/pull/1362#discussion_r498412738



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File path: helix-core/src/main/java/org/apache/helix/messaging/handling/HelixStateTransitionHandler.java
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@@ -460,7 +438,33 @@ public void onError(Exception e, ErrorCode code, ErrorType type) {
       StateTransitionError error = new StateTransitionError(type, code, e);
       _stateModel.rollbackOnError(_message, _notificationContext, error);
     }
+  }
+
+  // Verify the fromState and current state of the stateModel.
+  public Exception staleMessageValidator() {

Review comment:
       In my understanding, validateXXX is a function throws exception and returns void or boolean. Since I have a function that returns an exception, I am not sure about the name validateXXX.




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