dawidwys commented on a change in pull request #7041: [FLINK-9002] [e2e] Add
operators with input type that goes through Avro serialization
URL: https://github.com/apache/flink/pull/7041#discussion_r231493871
##########
File path:
flink-end-to-end-tests/flink-datastream-allround-test/src/main/java/org/apache/flink/streaming/tests/DataStreamAllroundTestJobFactory.java
##########
@@ -455,4 +457,15 @@ static boolean isSimulateFailures(ParameterTool pt) {
listStateGenerator,
listStateDescriptor);
}
+
+ static <T> DataStream<Event> testSpecificOperatorInputTypeSerialization(
+ DataStream<Event> streamToConvert,
+ MapFunction<Event, T> convertToInputType,
+ MapFunction<T, Event> convertFromInputType,
+ KeySelector<T, Integer> inputTypeKeySelector,
+ String inputTypeId) {
+
+ DataStream<T> convertedStream =
streamToConvert.map(convertToInputType);
+ return
convertedStream.keyBy(inputTypeKeySelector).map(convertFromInputType).name("InputTypeSerializationTestOperator-"
+ inputTypeId);
Review comment:
Could we add a quick node why the `keyBy` is needed? It is so that the
functions are not chained, right?
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