From: Kai Moritz <kai@juplo.de>
Date: Fri, 1 Dec 2023 16:37:51 +0000 (+0100)
Subject: Der Consumer kann mit mehreren Topics konfiguriert werden
X-Git-Tag: consumer/spring-consumer--BRANCH-ENDE~15
X-Git-Url: http://juplo.de/gitweb/?a=commitdiff_plain;h=48ae89d062eda2d83d1504e232017ad173330e6d;p=demos%2Fkafka%2Ftraining

Der Consumer kann mit mehreren Topics konfiguriert werden
---

diff --git a/README.sh b/README.sh
index b32d9f5..5e265f9 100755
--- a/README.sh
+++ b/README.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-IMAGE=juplo/spring-consumer:1.0-SNAPSHOT
+IMAGE=juplo/spring-consumer:1.1-SNAPSHOT
 
 if [ "$1" = "cleanup" ]
 then
diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
index 715dd8e..a533c73 100644
--- a/docker/docker-compose.yml
+++ b/docker/docker-compose.yml
@@ -216,7 +216,7 @@ services:
     command: kafka:9092 test producer
 
   consumer:
-    image: juplo/spring-consumer:1.0-SNAPSHOT
+    image: juplo/spring-consumer:1.1-SNAPSHOT
     environment:
       spring.kafka.bootstrap-servers: kafka:9092
       spring.kafka.client-id: consumer
diff --git a/pom.xml b/pom.xml
index 13ded01..f161e17 100644
--- 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>1.0-SNAPSHOT</version>
+  <version>1.1-SNAPSHOT</version>
 
   <properties>
     <java.version>17</java.version>
diff --git a/src/main/java/de/juplo/kafka/ApplicationConfiguration.java b/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
index 62d61a2..9a237b7 100644
--- a/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
+++ b/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
@@ -22,7 +22,7 @@ public class ApplicationConfiguration
     return
         new SimpleConsumer(
             kafkaProperties.getClientId(),
-            applicationProperties.getTopic(),
+            applicationProperties.getTopics(),
             kafkaConsumer);
   }
 
diff --git a/src/main/java/de/juplo/kafka/ApplicationProperties.java b/src/main/java/de/juplo/kafka/ApplicationProperties.java
index a4cc8b8..4092fa2 100644
--- a/src/main/java/de/juplo/kafka/ApplicationProperties.java
+++ b/src/main/java/de/juplo/kafka/ApplicationProperties.java
@@ -17,5 +17,5 @@ public class ApplicationProperties
 {
   @NotNull
   @NotEmpty
-  private String topic;
+  private String[] topics;
 }
diff --git a/src/main/java/de/juplo/kafka/SimpleConsumer.java b/src/main/java/de/juplo/kafka/SimpleConsumer.java
index aadc11f..a76132b 100644
--- a/src/main/java/de/juplo/kafka/SimpleConsumer.java
+++ b/src/main/java/de/juplo/kafka/SimpleConsumer.java
@@ -17,7 +17,7 @@ import java.util.concurrent.Callable;
 public class SimpleConsumer implements Callable<Integer>
 {
   private final String id;
-  private final String topic;
+  private final String[] topics;
   private final Consumer<String, String> consumer;
 
   private long consumed = 0;
@@ -28,8 +28,8 @@ public class SimpleConsumer implements Callable<Integer>
   {
     try
     {
-      log.info("{} - Subscribing to topic {}", id, topic);
-      consumer.subscribe(Arrays.asList(topic));
+      log.info("{} - Subscribing to topics: {}", id, topics);
+      consumer.subscribe(Arrays.asList(topics));
 
       while (true)
       {
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index b7fedad..50b114d 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -1,6 +1,6 @@
 simple:
   consumer:
-    topic: test
+    topics: test
 management:
   endpoint:
     shutdown:
@@ -19,7 +19,7 @@ info:
     bootstrap-server: ${spring.kafka.bootstrap-servers}
     client-id: ${spring.kafka.client-id}
     group-id: ${spring.kafka.consumer.group-id}
-    topic: ${simple.consumer.topic}
+    topics: ${simple.consumer.topics}
     auto-offset-reset: ${spring.kafka.consumer.auto-offset-reset}
 spring:
   kafka:
diff --git a/src/test/java/de/juplo/kafka/ApplicationIT.java b/src/test/java/de/juplo/kafka/ApplicationIT.java
index 1baca99..584773e 100644
--- a/src/test/java/de/juplo/kafka/ApplicationIT.java
+++ b/src/test/java/de/juplo/kafka/ApplicationIT.java
@@ -14,7 +14,7 @@ import static de.juplo.kafka.ApplicationIT.TOPIC;
     webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT,
     properties = {
         "spring.kafka.bootstrap-servers=${spring.embedded.kafka.brokers}",
-        "simple.consumer.topic=" + TOPIC })
+        "simple.consumer.topics=" + TOPIC })
 @EmbeddedKafka(topics = TOPIC)
 public class ApplicationIT
 {