zhipeng93 commented on a change in pull request #73:
URL: https://github.com/apache/flink-ml/pull/73#discussion_r834124527
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File path:
flink-ml-core/src/main/java/org/apache/flink/ml/linalg/DenseVector.java
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@@ -68,4 +68,9 @@ public boolean equals(Object obj) {
public int hashCode() {
return Arrays.hashCode(values);
}
+
+ @Override
+ public Vector clone() {
Review comment:
Thanks for pointing this out. The `clone()` here is to create a new
instance of this Vector for further in-place operations, since we may not want
to update the vectors directly.
I think there could be two alternatives:
- How about we rename the method to `duplicate` or something like `copy`?
- Or how about we remove the `clone()` in `Vector`, but keep it in
`SparseVector` and `DenseVector`, given that we are indeed cloning vectors.
What do you think?
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