X-Git-Url: http://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FApplicationConfiguration.java;h=4473c6967840a8fe184aab238620778fccfcf036;hb=de4f94c45fd0678777fecba4dbcb63f89e0ebafa;hp=4054e930ff991167e8d015b80eb40021f692e1b6;hpb=28b729e55e2e0914b06c1dcb0a5defd9bcef4933;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 4054e93..4473c69 100644
--- a/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
+++ b/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
@@ -1,17 +1,15 @@
 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;
 import org.springframework.context.annotation.Configuration;
 
+import java.time.Clock;
 import java.util.Properties;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
-import java.util.function.Consumer;
 
 
 @Configuration
@@ -19,19 +17,31 @@ import java.util.function.Consumer;
 public class ApplicationConfiguration
 {
   @Bean
-  public Consumer<ConsumerRecord<String, Long>> consumer()
+  public ApplicationRecordHandler recordHandler()
   {
-    return (record) ->
-    {
-      // Handle record
-    };
+    return new ApplicationRecordHandler();
   }
 
   @Bean
-  public EndlessConsumer<String, Long> endlessConsumer(
-      KafkaConsumer<String, Long> kafkaConsumer,
+  public ApplicationRebalanceListener rebalanceListener(
+      ApplicationRecordHandler recordHandler,
+      StateRepository stateRepository,
+      ApplicationProperties properties)
+  {
+    return new ApplicationRebalanceListener(
+        recordHandler,
+        stateRepository,
+        properties.getClientId(),
+        Clock.systemDefaultZone(),
+        properties.getCommitInterval());
+  }
+
+  @Bean
+  public EndlessConsumer<String, String> endlessConsumer(
+      KafkaConsumer<String, String> kafkaConsumer,
       ExecutorService executor,
-      Consumer<ConsumerRecord<String, Long>> handler,
+      ApplicationRebalanceListener rebalanceListener,
+      ApplicationRecordHandler recordHandler,
       ApplicationProperties properties)
   {
     return
@@ -40,7 +50,8 @@ public class ApplicationConfiguration
             properties.getClientId(),
             properties.getTopic(),
             kafkaConsumer,
-            handler);
+            rebalanceListener,
+            recordHandler);
   }
 
   @Bean
@@ -50,17 +61,18 @@ public class ApplicationConfiguration
   }
 
   @Bean(destroyMethod = "close")
-  public KafkaConsumer<String, Long> kafkaConsumer(ApplicationProperties properties)
+  public KafkaConsumer<String, String> 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("group.id", properties.getGroupId());
     props.put("client.id", properties.getClientId());
     props.put("auto.offset.reset", properties.getAutoOffsetReset());
     props.put("metadata.max.age.ms", "1000");
     props.put("key.deserializer", StringDeserializer.class.getName());
-    props.put("value.deserializer", LongDeserializer.class.getName());
+    props.put("value.deserializer", StringDeserializer.class.getName());
 
     return new KafkaConsumer<>(props);
   }