query: 2.0.0 - Values are serialized as JSON

[demos/kafka/wordcount] / src / main / java / de / juplo / kafka / wordcount / query / QueryStreamProcessor.java

diff --git a/src/main/java/de/juplo/kafka/wordcount/query/QueryStreamProcessor.java b/src/main/java/de/juplo/kafka/wordcount/query/QueryStreamProcessor.java
index cc65fce..7dacd4b 100644 (file)
--- a/src/main/java/de/juplo/kafka/wordcount/query/QueryStreamProcessor.java
+++ b/src/main/java/de/juplo/kafka/wordcount/query/QueryStreamProcessor.java
@@ -5,7 +5,6 @@ import jakarta.annotation.PreDestroy;
 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.KStream;
 import org.apache.kafka.streams.kstream.KTable;
 import org.apache.kafka.streams.kstream.Materialized;
@@ -53,7 +52,9 @@ public class QueryStreamProcessor
        {
                StreamsBuilder builder = new StreamsBuilder();
 
-               KTable<String, User> users = builder.table(usersInputTopic);
+               KTable<String, User> users = builder
+                               .stream(usersInputTopic)
+                               .toTable(Materialized.with(null, new JsonSerde().copyWithType(User.class)));
                KStream<String, Ranking> rankings = builder.stream(rankingInputTopic);
 
                rankings