coutner: 1.2.3 - Simplified topology, using default-serdes for all steps

[demos/kafka/wordcount] / src / main / java / de / juplo / kafka / wordcount / counter / CounterApplicationConfiguriation.java

diff --git a/src/main/java/de/juplo/kafka/wordcount/counter/CounterApplicationConfiguriation.java b/src/main/java/de/juplo/kafka/wordcount/counter/CounterApplicationConfiguriation.java
index f1da407..1bcc834 100644 (file)
--- a/src/main/java/de/juplo/kafka/wordcount/counter/CounterApplicationConfiguriation.java
+++ b/src/main/java/de/juplo/kafka/wordcount/counter/CounterApplicationConfiguriation.java
@@ -3,7 +3,6 @@ package de.juplo.kafka.wordcount.counter;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.kafka.clients.consumer.ConsumerConfig;
-import org.apache.kafka.common.serialization.Serdes;
 import org.apache.kafka.streams.StreamsConfig;
 import org.apache.kafka.streams.state.KeyValueBytesStoreSupplier;
 import org.apache.kafka.streams.state.Stores;
@@ -12,6 +11,9 @@ import org.springframework.boot.context.properties.EnableConfigurationProperties
 import org.springframework.context.ConfigurableApplicationContext;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.kafka.support.serializer.JsonDeserializer;
+import org.springframework.kafka.support.serializer.JsonSerde;
+import org.springframework.kafka.support.serializer.JsonSerializer;
 
 import java.util.Properties;
 import java.util.concurrent.CompletableFuture;
@@ -31,8 +33,15 @@ public class CounterApplicationConfiguriation
 
                propertyMap.put(StreamsConfig.APPLICATION_ID_CONFIG, properties.getApplicationId());
                propertyMap.put(StreamsConfig.BOOTSTRAP_SERVERS_CONFIG, properties.getBootstrapServer());
-               propertyMap.put(StreamsConfig.DEFAULT_KEY_SERDE_CLASS_CONFIG, Serdes.StringSerde.class.getName());
-               propertyMap.put(StreamsConfig.DEFAULT_VALUE_SERDE_CLASS_CONFIG, Serdes.StringSerde.class.getName());
+               propertyMap.put(StreamsConfig.DEFAULT_KEY_SERDE_CLASS_CONFIG, JsonSerde.class.getName());
+               propertyMap.put(StreamsConfig.DEFAULT_VALUE_SERDE_CLASS_CONFIG, JsonSerde.class.getName());
+               propertyMap.put(JsonDeserializer.TRUSTED_PACKAGES, Word.class.getPackageName());
+               propertyMap.put(JsonDeserializer.KEY_DEFAULT_TYPE, Word.class.getName());
+               propertyMap.put(JsonDeserializer.VALUE_DEFAULT_TYPE, Word.class.getName());
+               propertyMap.put(
+                               JsonDeserializer.TYPE_MAPPINGS,
+                               "W:" + Word.class.getName() + "," +
+                               "C:" + WordCount.class.getName());
                propertyMap.put(StreamsConfig.STATE_DIR_CONFIG, "target");
                if (properties.getCommitInterval() != null)
                        propertyMap.put(StreamsConfig.COMMIT_INTERVAL_MS_CONFIG, properties.getCommitInterval());