[GitHub] [flink-ml] gaoyunhaii commented on a change in pull request #35: [FLINK-24354][FLIP-174] Updates WithParams::set(...) to throw Exception if the given param is not defined on this instance

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gaoyunhaii commented on a change in pull request #35:
URL: https://github.com/apache/flink-ml/pull/35#discussion_r749376404



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File path: flink-ml-api/src/main/java/org/apache/flink/ml/param/WithParams.java
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@@ -72,6 +72,14 @@
      */
     @SuppressWarnings("unchecked")
     default <V> T set(Param<V> param, V value) {
+        if (!getParamMap().containsKey(param)) {

Review comment:
       Is the `set()` method consistent with the `get()`?
   
   I'm asking because it seems in `get()` we only throws exception when `if (value == null && !param.validator.validate(value))`, is it as expected or it might be `||` instead of `&&` ? 




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