Deserialisierung von Nachrichten unterschiedlichen Typs

[demos/kafka/training] / src / main / java / de / juplo / kafka / ApplicationConfiguration.java

diff --git a/src/main/java/de/juplo/kafka/ApplicationConfiguration.java b/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
index 431041c..ddeb9d5 100644 (file)
--- a/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
+++ b/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
@@ -2,7 +2,6 @@ package de.juplo.kafka;
 
 import org.apache.kafka.clients.consumer.ConsumerRecord;
 import org.apache.kafka.clients.consumer.KafkaConsumer;
-import org.apache.kafka.common.serialization.LongDeserializer;
 import org.apache.kafka.common.serialization.StringDeserializer;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.annotation.Bean;
@@ -20,7 +19,7 @@ import java.util.function.Consumer;
 public class ApplicationConfiguration
 {
   @Bean
-  public Consumer<ConsumerRecord<String, ClientMessage>> consumer()
+  public Consumer<ConsumerRecord<String, ValidMessage>> consumer()
   {
     return (record) ->
     {
@@ -29,10 +28,10 @@ public class ApplicationConfiguration
   }
 
   @Bean
-  public EndlessConsumer<String, ClientMessage> endlessConsumer(
-      KafkaConsumer<String, ClientMessage> kafkaConsumer,
+  public EndlessConsumer<String, ValidMessage> endlessConsumer(
+      KafkaConsumer<String, ValidMessage> kafkaConsumer,
       ExecutorService executor,
-      Consumer<ConsumerRecord<String, ClientMessage>> handler,
+      Consumer<ConsumerRecord<String, ValidMessage>> handler,
       ApplicationProperties properties)
   {
     return
@@ -51,7 +50,7 @@ public class ApplicationConfiguration
   }
 
   @Bean(destroyMethod = "close")
-  public KafkaConsumer<String, ClientMessage> kafkaConsumer(ApplicationProperties properties)
+  public KafkaConsumer<String, ValidMessage> kafkaConsumer(ApplicationProperties properties)
   {
     Properties props = new Properties();
 
@@ -62,7 +61,9 @@ public class ApplicationConfiguration
     props.put("metadata.max.age.ms", "1000");
     props.put("key.deserializer", StringDeserializer.class.getName());
     props.put("value.deserializer", JsonDeserializer.class.getName());
-    props.put(JsonDeserializer.TYPE_MAPPINGS, "message:" + ClientMessage.class.getName());
+    props.put(JsonDeserializer.TYPE_MAPPINGS,
+        "message:" + ClientMessage.class.getName() + "," +
+        "greeting:" + Greeting.class.getName());
     props.put(JsonDeserializer.TRUSTED_PACKAGES, "de.juplo.kafka");
 
     return new KafkaConsumer<>(props);