rmatharu commented on a change in pull request #1463:
URL: https://github.com/apache/samza/pull/1463#discussion_r577241960
##########
File path: samza-api/src/main/java/org/apache/samza/operators/MessageStream.java
##########
@@ -49,25 +49,51 @@
@InterfaceStability.Evolving
public interface MessageStream<M> {
+ /**
+ * Equivalent to {@code map("", mapFn)}.
+ * @see #map(String, MapFunction)
+ */
+ default <OM> MessageStream<OM> map(MapFunction<? super M, ? extends OM>
mapFn) {
+ return map("", mapFn);
+ }
+
/**
* Applies the provided 1:1 function to messages in this {@link
MessageStream} and returns the
* transformed {@link MessageStream}.
*
+ * @param desc description of this mapping operation
Review comment:
+1 "tag" or "name", "id" might be better.
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