2. Schritt Live-Umbau: Producer über Factory erzeugen

diff --git a/src/main/java/de/juplo/kafka/ApplicationConfiguration.java b/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
index 0090cee..6088992 100644 (file)
--- a/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
+++ b/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
@@ -1,15 +1,13 @@
 package de.juplo.kafka;
 
-import org.apache.kafka.clients.producer.KafkaProducer;
 import org.apache.kafka.clients.producer.Producer;
-import org.apache.kafka.common.serialization.StringSerializer;
 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.core.ProducerFactory;
 
 import java.time.Duration;
-import java.util.Properties;
 
 
 @Configuration
@@ -34,23 +32,8 @@ public class ApplicationConfiguration
   }
 
   @Bean(destroyMethod = "")
-  public KafkaProducer<String, String> kafkaProducer(ApplicationProperties properties)
+  public Producer<String, String> kafkaProducer(ProducerFactory<String, String> producerFactory)
   {
-    Properties props = new Properties();
-    props.put("bootstrap.servers", properties.getBootstrapServer());
-    props.put("client.id", properties.getClientId());
-    props.put("acks", properties.getProducerProperties().getAcks());
-    props.put("delivery.timeout.ms", (int)properties.getProducerProperties().getDeliveryTimeout().toMillis());
-    props.put("max.block.ms", (int)properties.getProducerProperties().getMaxBlock().toMillis());
-    props.put("buffer.memory", properties.getProducerProperties().getBufferMemory());
-    props.put("batch.size", properties.getProducerProperties().getBatchSize());
-    props.put("metadata.max.age.ms",  5000); //  5 Sekunden
-    props.put("request.timeout.ms",   5000); //  5 Sekunden
-    props.put("linger.ms", properties.getProducerProperties().getLinger().toMillis());
-    props.put("compression.type", properties.getProducerProperties().getCompressionType());
-    props.put("key.serializer", StringSerializer.class.getName());
-    props.put("value.serializer", StringSerializer.class.getName());
-
-    return new KafkaProducer<>(props);
+    return producerFactory.createProducer();
   }
 }