ajothomas commented on a change in pull request #1560:
URL: https://github.com/apache/samza/pull/1560#discussion_r758656719
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File path: samza-api/src/main/java/org/apache/samza/operators/MessageStream.java
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@@ -298,6 +298,25 @@
*/
<K, V> MessageStream<KV<K, V>> sendTo(Table<KV<K, V>> table, Object ...
args);
+ /**
+ * Allows sending messages in this {@link MessageStream} to a {@link Table}
and then propagates this
+ * {@link MessageStream} to the next chained operator. The type of input
message is expected to be {@link KV},
+ * otherwise a {@link ClassCastException} will be thrown. The value is an
update pair- update and an option default.
+ * <p>
+ * Note: The update will be written but may not be flushed to the underlying
table before its propagated to the
+ * chained operators. Whether the message can be read back from the Table in
the chained operator depends on whether
+ * it was flushed and whether the Table offers read after write consistency.
Messages retain the original partitioning
+ * scheme when propagated to next operator.
+ *
+ * @param table the table to write messages to
+ * @param args additional arguments passed to the table
+ * @param <K> the type of key in the table
+ * @param <V> the type of record value in the table
+ * @param <U> the type of update value for the table
+ * @return this {@link MessageStream}
+ */
+ <K, V, U> MessageStream<KV<K, UpdatePair<U, V>>> sendUpdateTo(Table<KV<K,
UpdatePair<U, V>>> table, Object ... args);
Review comment:
Done.
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