ableegoldman commented on a change in pull request #9239:
URL: https://github.com/apache/kafka/pull/9239#discussion_r486684145
##########
File path:
streams/src/test/java/org/apache/kafka/streams/kstream/internals/KStreamSlidingWindowAggregateTest.java
##########
@@ -78,16 +100,28 @@
public void testAggregateSmallInput() {
final StreamsBuilder builder = new StreamsBuilder();
final String topic = "topic";
-
- final KTable<Windowed<String>, String> table = builder
- .stream(topic, Consumed.with(Serdes.String(), Serdes.String()))
- .groupByKey(Grouped.with(Serdes.String(), Serdes.String()))
-
.windowedBy(SlidingWindows.withTimeDifferenceAndGrace(ofMillis(10),
ofMillis(50)))
- .aggregate(
- MockInitializer.STRING_INIT,
- MockAggregator.TOSTRING_ADDER,
- Materialized.<String, String, WindowStore<Bytes,
byte[]>>as("topic-Canonized").withValueSerde(Serdes.String())
- );
+ final KTable<Windowed<String>, String> table;
+ if (inOrderIterator) {
+ table = builder
+ .stream(topic, Consumed.with(Serdes.String(), Serdes.String()))
+ .groupByKey(Grouped.with(Serdes.String(), Serdes.String()))
+
.windowedBy(SlidingWindows.withTimeDifferenceAndGrace(ofMillis(10),
ofMillis(50)))
+ .aggregate(
+ MockInitializer.STRING_INIT,
+ MockAggregator.TOSTRING_ADDER,
+ Materialized.as(new
InOrderMemoryWindowStoreSupplier("InOrder", 50000L, 10L, false))
+ );
+ } else {
+ table = builder
+ .stream(topic, Consumed.with(Serdes.String(), Serdes.String()))
+ .groupByKey(Grouped.with(Serdes.String(), Serdes.String()))
+
.windowedBy(SlidingWindows.withTimeDifferenceAndGrace(ofMillis(10),
ofMillis(50)))
+ .aggregate(
+ MockInitializer.STRING_INIT,
+ MockAggregator.TOSTRING_ADDER,
+ Materialized.<String, String, WindowStore<Bytes,
byte[]>>as("topic-Canonized").withValueSerde(Serdes.String())
Review comment:
It should ultimately be the same for both iterators, but there might be
some weird type nonsense going on. These problems should go away if you go with
the approach of just setting a `StoreSupplier` based on `inOrderIterator` and
then only specifying the topology once
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