Version des ``spring-consumer``, die ``long``-Werte erwartet

diff --git a/README.sh b/README.sh
index b46e235..86b9806 100755 (executable)
--- a/README.sh
+++ b/README.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-IMAGE=juplo/spring-consumer:1.1-SNAPSHOT
+IMAGE=juplo/spring-consumer:1.1-long-SNAPSHOT
 
 if [ "$1" = "cleanup" ]
 then
@@ -10,7 +10,7 @@ then
 fi
 
 docker compose -f docker/docker-compose.yml up -d --remove-orphans kafka-1 kafka-2 kafka-3
-docker compose -f docker/docker-compose.yml rm -svf consumer
+docker compose -f docker/docker-compose.yml rm -svf peter ute
 
 if [[
   $(docker image ls -q $IMAGE) == "" ||
@@ -27,13 +27,16 @@ docker compose -f docker/docker-compose.yml up --remove-orphans setup || exit 1
 
 
 docker compose -f docker/docker-compose.yml up -d producer
-docker compose -f docker/docker-compose.yml up -d consumer
+docker compose -f docker/docker-compose.yml up -d peter ute
+sleep 15
 
-sleep 5
-docker compose -f docker/docker-compose.yml stop consumer
+docker compose -f docker/docker-compose.yml stop producer
 
-docker compose -f docker/docker-compose.yml start consumer
-sleep 5
+echo
+echo "Von peter empfangen:"
+docker compose -f docker/docker-compose.yml logs peter | grep '\ test\/.'
+echo
+echo "Von ute empfangen:"
+docker compose -f docker/docker-compose.yml logs ute | grep '\ test\/.'
 
-docker compose -f docker/docker-compose.yml stop producer consumer
-docker compose -f docker/docker-compose.yml logs consumer
+docker compose -f docker/docker-compose.yml stop peter ute

diff --git a/build.gradle b/build.gradle
index a8614fd..12188d6 100644 (file)
--- a/build.gradle
+++ b/build.gradle
@@ -8,7 +8,7 @@ plugins {
 }
 
 group = 'de.juplo.kafka'
-version = '1.1-SNAPSHOT'
+version = '1.1-long-SNAPSHOT'
 
 java {
        toolchain {

diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
index 9984f6b..3338c62 100644 (file)
--- a/docker/docker-compose.yml
+++ b/docker/docker-compose.yml
@@ -136,29 +136,29 @@ services:
       - kafka-3
 
   producer:
-    image: juplo/simple-producer:1.0-SNAPSHOT
-    command: kafka:9092 test producer
+    image: juplo/spring-producer:2.0-long-SNAPSHOT
+    environment:
+      spring.kafka.bootstrap-servers: kafka:9092
+      spring.kafka.client-id: producer
+      juplo.producer.topic: test
 
   consumer:
-    image: juplo/spring-consumer:1.1-SNAPSHOT
+    image: juplo/spring-consumer:1.1-long-SNAPSHOT
     environment:
       juplo.bootstrap-server: kafka:9092
       juplo.client-id: consumer
-      juplo.consumer.topic: test
 
   peter:
-    image: juplo/spring-consumer:1.1-SNAPSHOT
+    image: juplo/spring-consumer:1.1-long-SNAPSHOT
     environment:
       juplo.bootstrap-server: kafka:9092
       juplo.client-id: peter
-      juplo.consumer.topic: test
 
   ute:
-    image: juplo/spring-consumer:1.1-SNAPSHOT
+    image: juplo/spring-consumer:1.1-long-SNAPSHOT
     environment:
       juplo.bootstrap-server: kafka:9092
       juplo.client-id: ute
-      juplo.consumer.topic: test
 
 volumes:
   zookeeper-data:

diff --git a/pom.xml b/pom.xml
index dd96d00..d99ed82 100644 (file)
--- a/pom.xml
+++ b/pom.xml
@@ -15,7 +15,7 @@
   <artifactId>spring-consumer</artifactId>
   <name>Spring Consumer</name>
   <description>Super Simple Consumer-Group, that is implemented as Spring-Boot application and configured by Spring Kafka</description>
-  <version>1.1-SNAPSHOT</version>
+  <version>1.1-long-SNAPSHOT</version>
 
   <properties>
     <java.version>21</java.version>

diff --git a/src/main/java/de/juplo/kafka/ApplicationConfiguration.java b/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
index ea6b64e..cb2057b 100644 (file)
--- a/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
+++ b/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
@@ -2,6 +2,7 @@ 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;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.ConfigurableApplicationContext;
@@ -17,7 +18,7 @@ public class ApplicationConfiguration
 {
   @Bean
   public ExampleConsumer exampleConsumer(
-    Consumer<String, String> kafkaConsumer,
+    Consumer<String, Long> kafkaConsumer,
     ApplicationProperties properties,
     ConfigurableApplicationContext applicationContext)
   {
@@ -30,7 +31,7 @@ public class ApplicationConfiguration
   }
 
   @Bean(destroyMethod = "")
-  public KafkaConsumer<String, String> kafkaConsumer(ApplicationProperties properties)
+  public KafkaConsumer<String, Long> kafkaConsumer(ApplicationProperties properties)
   {
     Properties props = new Properties();
     props.put("bootstrap.servers", properties.getBootstrapServer());
@@ -46,7 +47,7 @@ public class ApplicationConfiguration
     }
     props.put("metadata.max.age.ms", 5000); //  5 Sekunden
     props.put("key.deserializer", StringDeserializer.class.getName());
-    props.put("value.deserializer", StringDeserializer.class.getName());
+    props.put("value.deserializer", LongDeserializer.class.getName());
 
     return new KafkaConsumer<>(props);
   }

diff --git a/src/main/java/de/juplo/kafka/ExampleConsumer.java b/src/main/java/de/juplo/kafka/ExampleConsumer.java
index 1f5a570..83a9f89 100644 (file)
--- a/src/main/java/de/juplo/kafka/ExampleConsumer.java
+++ b/src/main/java/de/juplo/kafka/ExampleConsumer.java
@@ -15,7 +15,7 @@ public class ExampleConsumer implements Runnable
 {
   private final String id;
   private final String topic;
-  private final Consumer<String, String> consumer;
+  private final Consumer<String, Long> consumer;
   private final Thread workerThread;
   private final Runnable closeCallback;
 
@@ -25,7 +25,7 @@ public class ExampleConsumer implements Runnable
   public ExampleConsumer(
     String clientId,
     String topic,
-    Consumer<String, String> consumer,
+    Consumer<String, Long> consumer,
     Runnable closeCallback)
   {
     this.id = clientId;
@@ -49,10 +49,10 @@ public class ExampleConsumer implements Runnable
 
       while (true)
       {
-        ConsumerRecords<String, String> records = consumer.poll(Duration.ofSeconds(1));
+        ConsumerRecords<String, Long> records = consumer.poll(Duration.ofSeconds(1));
 
         log.info("{} - Received {} messages", id, records.count());
-        for (ConsumerRecord<String, String> record : records)
+        for (ConsumerRecord<String, Long> record : records)
         {
           handleRecord(
             record.topic(),
@@ -87,7 +87,7 @@ public class ExampleConsumer implements Runnable
     Integer partition,
     Long offset,
     String key,
-    String value)
+    Long value)
   {
     consumed++;
     log.info("{} - partition={}-{}, offset={}: {}={}", id, topic, partition, offset, key, value);