Version des Rest-Producers, der direkt Requests für den Sumup-Adder sendet

[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 0642aa4..9a11f6e 100644 (file)
--- 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.StringSerializer;
 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.JsonSerializer;
 
 import java.util.Properties;
 
@@ -16,7 +17,7 @@ public class ApplicationConfiguration
   @Bean
   public RestProducer restProducer(
       ApplicationProperties properties,
-      KafkaProducer<String, String> kafkaProducer)
+      KafkaProducer<String, Object> kafkaProducer)
   {
     return
         new RestProducer(
@@ -27,7 +28,7 @@ public class ApplicationConfiguration
   }
 
   @Bean(destroyMethod = "close")
-  public KafkaProducer<String, String> kafkaProducer(ApplicationProperties properties)
+  public KafkaProducer<String, Object> kafkaProducer(ApplicationProperties properties)
   {
     Properties props = new Properties();
     props.put("bootstrap.servers", properties.getBootstrapServer());
@@ -39,7 +40,10 @@ public class ApplicationConfiguration
     props.put("linger.ms", properties.getLingerMs());
     props.put("compression.type", properties.getCompressionType());
     props.put("key.serializer", StringSerializer.class.getName());
-    props.put("value.serializer", StringSerializer.class.getName());
+    props.put("value.serializer", JsonSerializer.class.getName());
+    props.put(JsonSerializer.TYPE_MAPPINGS,
+        "ADD:" + AddNumberMessage.class.getName() + "," +
+        "CALC:" + CalculateSumMessage.class.getName());
 
     return new KafkaProducer<>(props);
   }