From: Kai Moritz <kai@juplo.de>
Date: Mon, 17 Jun 2024 20:45:34 +0000 (+0200)
Subject: popular: 1.1.0 - Implemented supression of intermediate results
X-Git-Tag: popular-1.1.0
X-Git-Url: http://juplo.de/gitweb/?a=commitdiff_plain;h=feb9d86212983d93d3546f5a4d9b15f14cd57314;p=demos%2Fkafka%2Fwordcount

popular: 1.1.0 - Implemented supression of intermediate results
---

diff --git a/src/main/java/de/juplo/kafka/wordcount/popular/PopularStreamProcessor.java b/src/main/java/de/juplo/kafka/wordcount/popular/PopularStreamProcessor.java
index 788ae20..9bcf0f7 100644
--- a/src/main/java/de/juplo/kafka/wordcount/popular/PopularStreamProcessor.java
+++ b/src/main/java/de/juplo/kafka/wordcount/popular/PopularStreamProcessor.java
@@ -3,10 +3,7 @@ package de.juplo.kafka.wordcount.popular;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.kafka.common.serialization.Serdes;
 import org.apache.kafka.streams.*;
-import org.apache.kafka.streams.kstream.Consumed;
-import org.apache.kafka.streams.kstream.Materialized;
-import org.apache.kafka.streams.kstream.Produced;
-import org.apache.kafka.streams.kstream.TimeWindows;
+import org.apache.kafka.streams.kstream.*;
 import org.apache.kafka.streams.state.KeyValueBytesStoreSupplier;
 import org.apache.kafka.streams.state.QueryableStoreTypes;
 import org.apache.kafka.streams.state.ReadOnlyKeyValueStore;
@@ -72,6 +69,7 @@ public class PopularStreamProcessor
 								.<Word, Long>as(windowBytesStoreSupplier)
 								.withKeySerde(new JsonSerde<>(Word.class).noTypeInfo())
 								.withValueSerde(Serdes.Long()))
+				.suppress(Suppressed.untilWindowCloses(Suppressed.BufferConfig.unbounded()))
 				.toStream()
 				.peek((windowedWord, counter) -> log.info("windowed: {} -> {}", windowedWord, counter))
 				.map((windowedWord, counter) -> new KeyValue<>(