]> juplo.de Git - demos/kafka/training/commitdiff
Code & Setup für acks-Übung überarbeitet supersimple-producer--acks supersimple-producer--acks--2023-02-signal
authorKai Moritz <kai@juplo.de>
Tue, 31 Jan 2023 18:31:22 +0000 (19:31 +0100)
committerKai Moritz <kai@juplo.de>
Tue, 31 Jan 2023 18:31:29 +0000 (19:31 +0100)
README.sh
docker-compose.yml
pom.xml
src/main/java/de/juplo/kafka/Application.java

index b10c65a997f019fa79007b24d8d615fb0001f0c4..b03b79b980ff7f4ee4e5f378a3445d6935ccb8d4 100755 (executable)
--- a/README.sh
+++ b/README.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-IMAGE=juplo/supersimple-producer:1.0-SNAPSHOT
+IMAGE=juplo/supersimple-producer-endless:1.0-SNAPSHOT
 
 if [ "$1" = "cleanup" ]
 then
index e910e9ca1f9e745c9a80ae91152c2d3feb02444b..efdadd583ab92154b8b6ff0234e65c9f9a9eba6c 100644 (file)
@@ -107,26 +107,25 @@ services:
       - kafka-3
 
   acks-all:
-    image: juplo/supersimple-producer:1.0-SNAPSHOT
+    image: juplo/supersimple-producer-endless:1.0-SNAPSHOT
     environment:
       spring.kafka.bootstrap-servers: kafka:9092
       spring.kafka.client-id: acks-all
       spring.kafka.producer.acks: all
+    command: --key=klaus
 
   acks-1:
-    image: juplo/supersimple-producer:1.0-SNAPSHOT
+    image: juplo/supersimple-producer-endless:1.0-SNAPSHOT
     environment:
       spring.kafka.bootstrap-servers: kafka:9092
       spring.kafka.client-id: acks-1
       spring.kafka.producer.acks: 1
+    command: --key=peter
 
   acks-0:
-    image: juplo/supersimple-producer:1.0-SNAPSHOT
+    image: juplo/supersimple-producer-endless:1.0-SNAPSHOT
     environment:
       spring.kafka.bootstrap-servers: kafka:9092
       spring.kafka.client-id: acks-0
       spring.kafka.producer.acks: 0
-
-  consumer:
-    image: juplo/toolbox
-    command: kafkacat -C -b kafka:9092 -t test -o 0 -f'p=%p|o=%o|k=%k|v=%s\n'
+    command: --key=ute
diff --git a/pom.xml b/pom.xml
index ccab861569a4390e52216c0b7be49c4532913dd0..cab26a74d400a5d73324faaf3d196f775ba9259a 100644 (file)
--- a/pom.xml
+++ b/pom.xml
@@ -12,7 +12,7 @@
   </parent>
 
   <groupId>de.juplo.kafka</groupId>
-  <artifactId>supersimple-producer</artifactId>
+  <artifactId>supersimple-producer-endless</artifactId>
   <name>Super Simple Producer</name>
   <description>Most minimal Kafka Producer ever!</description>
   <version>1.0-SNAPSHOT</version>
index 4632e222137e990ca70fd932c52da7a7712a4bfc..2dc575628ca5d49632e474f71de9ee8a681abfd7 100644 (file)
@@ -10,6 +10,8 @@ import org.springframework.kafka.core.KafkaTemplate;
 import org.springframework.kafka.support.SendResult;
 import org.springframework.util.concurrent.ListenableFuture;
 
+import java.util.List;
+
 
 @Slf4j
 @SpringBootApplication
@@ -21,10 +23,17 @@ public class Application implements ApplicationRunner
   @Override
   public void run(ApplicationArguments args)
   {
+    List<String> keys = args.getOptionValues("key");
+    if (keys == null || keys.size() != 1)
+    {
+      log.error("Exactly one key has to be given with --key");
+      return;
+    }
+    String key = keys.get(0);
     for (int i = 0; true; i++)
     {
       ListenableFuture<SendResult<String, String>> listenableFuture =
-          kafkaTemplate.send("test", Long.toString(i%10), Long.toString(i));
+          kafkaTemplate.send("test", key, Long.toString(i));
 
       listenableFuture.addCallback(
           result -> log.info(