X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FApplicationConfiguration.java;h=61374113def7f7882f130723b269936de7d8c345;hb=7c8f7f58d35e49324f0b2b87c0bdaafcb5b7fcc0;hp=1c6976010e7a1080df53f4590c4249569c5c1a10;hpb=9fe70ad96d2b5a9ed0581057da54facba859ad1f;p=demos%2Fkafka%2Ftraining

diff --git a/src/main/java/de/juplo/kafka/ApplicationConfiguration.java b/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
index 1c69760..6137411 100644
--- a/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
+++ b/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
@@ -5,6 +5,7 @@ import org.apache.kafka.common.serialization.StringDeserializer;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.kafka.support.serializer.JsonDeserializer;
 
 import java.util.Optional;
 import java.util.Properties;
@@ -38,6 +39,7 @@ public class ApplicationConfiguration
       ApplicationRecordHandler recordHandler,
       AdderResults adderResults,
       StateRepository stateRepository,
+      KafkaConsumer<String, Message> consumer,
       ApplicationProperties properties)
   {
     return new ApplicationRebalanceListener(
@@ -48,8 +50,8 @@ public class ApplicationConfiguration
   }
 
   @Bean
-  public EndlessConsumer<String, String> endlessConsumer(
-      KafkaConsumer<String, String> kafkaConsumer,
+  public EndlessConsumer<String, Message> endlessConsumer(
+      KafkaConsumer<String, Message> kafkaConsumer,
       ExecutorService executor,
       ApplicationRebalanceListener rebalanceListener,
       ApplicationRecordHandler recordHandler,
@@ -72,19 +74,23 @@ public class ApplicationConfiguration
   }
 
   @Bean(destroyMethod = "close")
-  public KafkaConsumer<String, String> kafkaConsumer(ApplicationProperties properties)
+  public KafkaConsumer<String, Message> kafkaConsumer(ApplicationProperties properties)
   {
     Properties props = new Properties();
 
     props.put("bootstrap.servers", properties.getBootstrapServer());
-    props.put("partition.assignment.strategy", "org.apache.kafka.clients.consumer.CooperativeStickyAssignor");
+    props.put("partition.assignment.strategy", "org.apache.kafka.clients.consumer.StickyAssignor");
     props.put("group.id", properties.getGroupId());
     props.put("client.id", properties.getClientId());
     props.put("auto.offset.reset", properties.getAutoOffsetReset());
     props.put("auto.commit.interval.ms", (int)properties.getCommitInterval().toMillis());
     props.put("metadata.max.age.ms", "1000");
     props.put("key.deserializer", StringDeserializer.class.getName());
-    props.put("value.deserializer", StringDeserializer.class.getName());
+    props.put("value.deserializer", JsonDeserializer.class.getName());
+    props.put(JsonDeserializer.TRUSTED_PACKAGES, "de.juplo.kafka");
+    props.put(JsonDeserializer.TYPE_MAPPINGS,
+      Message.Type.ADD + ":" + MessageAddNumber.class.getName() + "," +
+      Message.Type.CALC + ":" + MessageCalculateSum.class.getName());
 
     return new KafkaConsumer<>(props);
   }