WIP

[demos/kafka/wordcount] / src / main / java / de / juplo / kafka / wordcount / top10 / Top10StreamProcessor.java

diff --git a/src/main/java/de/juplo/kafka/wordcount/top10/Top10StreamProcessor.java b/src/main/java/de/juplo/kafka/wordcount/top10/Top10StreamProcessor.java
index 2ae3ec5..a5a2673 100644 (file)
--- a/src/main/java/de/juplo/kafka/wordcount/top10/Top10StreamProcessor.java
+++ b/src/main/java/de/juplo/kafka/wordcount/top10/Top10StreamProcessor.java
@@ -13,6 +13,9 @@ import org.apache.kafka.streams.StreamsBuilder;
 import org.apache.kafka.streams.StreamsConfig;
 import org.springframework.boot.SpringApplication;
 import org.springframework.context.ConfigurableApplicationContext;
+import org.springframework.kafka.support.serializer.JsonDeserializer;
+import org.springframework.kafka.support.serializer.JsonSerde;
+import org.springframework.kafka.support.serializer.JsonSerializer;
 import org.springframework.stereotype.Component;
 
 import java.util.Properties;
@@ -78,8 +81,13 @@ public class Top10StreamProcessor
                Properties props = new Properties();
                props.put(StreamsConfig.APPLICATION_ID_CONFIG, properties.getApplicationId());
                props.put(StreamsConfig.BOOTSTRAP_SERVERS_CONFIG, properties.getBootstrapServer());
-               props.put(StreamsConfig.DEFAULT_KEY_SERDE_CLASS_CONFIG, Serdes.String().getClass().getName());
-               props.put(StreamsConfig.DEFAULT_VALUE_SERDE_CLASS_CONFIG, Serdes.String().getClass().getName());
+               props.put(StreamsConfig.DEFAULT_KEY_SERDE_CLASS_CONFIG, JsonSerde.class.getName());
+               props.put(StreamsConfig.DEFAULT_VALUE_SERDE_CLASS_CONFIG, JsonSerde.class.getName());
+               props.put(JsonSerializer.ADD_TYPE_INFO_HEADERS, false);
+               props.put(JsonDeserializer.TRUSTED_PACKAGES, Word.class.getPackageName());
+               props.put(JsonDeserializer.KEY_DEFAULT_TYPE, Word.class.getName());
+               props.put(JsonDeserializer.VALUE_DEFAULT_TYPE, WordCount.class.getName());
+               props.put(JsonDeserializer.USE_TYPE_INFO_HEADERS, false);
                props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
 
                streams = new KafkaStreams(builder.build(), props);