X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FApplicationConfiguration.java;h=3925fcba5fcd5a6a5f9bf934e93546493440e90c;hb=53e0f25ec3d03858494b2006670dc2b0564139c3;hp=6e0445337aea5c641bc46495f4ccaaa66bd2bbf7;hpb=f9890a95d6672e1847e1d9f53a76c95ade877a9b;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 6e04453..3925fcb 100644
--- a/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
+++ b/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
@@ -1,5 +1,6 @@
 package de.juplo.kafka;
 
+import org.apache.kafka.clients.consumer.Consumer;
 import org.apache.kafka.clients.consumer.KafkaConsumer;
 import org.apache.kafka.common.serialization.LongDeserializer;
 import org.apache.kafka.common.serialization.StringDeserializer;
@@ -7,7 +8,9 @@ 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;
 
 
@@ -16,31 +19,64 @@ import java.util.concurrent.Executors;
 public class ApplicationConfiguration
 {
   @Bean
-  public EndlessConsumer endlessConsumer(
-      KafkaConsumer<String, String> kafkaConsumer,
+  public KeyCountingRecordHandler messageCountingRecordHandler()
+  {
+    return new KeyCountingRecordHandler();
+  }
+
+  @Bean
+  public KeyCountingRebalanceListener wordcountRebalanceListener(
+      KeyCountingRecordHandler keyCountingRecordHandler,
+      PartitionStatisticsRepository repository,
+      Consumer<String, Long> consumer,
       ApplicationProperties properties)
   {
-    EndlessConsumer consumer =
-        new EndlessConsumer(
-            Executors.newFixedThreadPool(1),
+    return new KeyCountingRebalanceListener(
+        keyCountingRecordHandler,
+        repository,
+        properties.getClientId(),
+        properties.getTopic(),
+        Clock.systemDefaultZone(),
+        properties.getCommitInterval(),
+        consumer);
+  }
+
+  @Bean
+  public EndlessConsumer<String, Long> endlessConsumer(
+      KafkaConsumer<String, Long> kafkaConsumer,
+      ExecutorService executor,
+      KeyCountingRebalanceListener keyCountingRebalanceListener,
+      KeyCountingRecordHandler keyCountingRecordHandler,
+      ApplicationProperties properties)
+  {
+    return
+        new EndlessConsumer<>(
+            executor,
             properties.getClientId(),
             properties.getTopic(),
-            kafkaConsumer);
-
-    consumer.start();
+            kafkaConsumer,
+            keyCountingRebalanceListener,
+            keyCountingRecordHandler);
+  }
 
-    return consumer;
+  @Bean
+  public ExecutorService executor()
+  {
+    return Executors.newSingleThreadExecutor();
   }
 
   @Bean(destroyMethod = "close")
-  public KafkaConsumer<String, String> kafkaConsumer(ApplicationProperties properties)
+  public KafkaConsumer<String, Long> 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("enable.auto.commit", false);
     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", LongDeserializer.class.getName());