From 8c734b77dd71f6b35707e8085d59ac5b6c43720d Mon Sep 17 00:00:00 2001
From: Kai Moritz <kai@juplo.de>
Date: Fri, 1 Apr 2022 11:44:22 +0200
Subject: [PATCH] `auto.offset.reset` konfigurierbar gemacht

---
 src/main/java/de/juplo/kafka/Application.java           | 3 ++-
 src/main/java/de/juplo/kafka/ApplicationProperties.java | 1 +
 src/main/java/de/juplo/kafka/EndlessConsumer.java       | 7 +++++--
 src/main/resources/application.yml                      | 1 +
 4 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/main/java/de/juplo/kafka/Application.java b/src/main/java/de/juplo/kafka/Application.java
index 85d0e07..dd4b20a 100644
--- a/src/main/java/de/juplo/kafka/Application.java
+++ b/src/main/java/de/juplo/kafka/Application.java
@@ -32,7 +32,8 @@ public class Application
             properties.getBootstrapServer(),
             properties.getGroupId(),
             properties.getClientId(),
-            properties.getTopic());
+            properties.getTopic(),
+            properties.getAutoOffsetReset());
 
     consumer.start();
 
diff --git a/src/main/java/de/juplo/kafka/ApplicationProperties.java b/src/main/java/de/juplo/kafka/ApplicationProperties.java
index fdbb2bd..dab3380 100644
--- a/src/main/java/de/juplo/kafka/ApplicationProperties.java
+++ b/src/main/java/de/juplo/kafka/ApplicationProperties.java
@@ -14,4 +14,5 @@ public class ApplicationProperties
   private String groupId;
   private String clientId;
   private String topic;
+  private String autoOffsetReset;
 }
diff --git a/src/main/java/de/juplo/kafka/EndlessConsumer.java b/src/main/java/de/juplo/kafka/EndlessConsumer.java
index da2f8f0..b3dd446 100644
--- a/src/main/java/de/juplo/kafka/EndlessConsumer.java
+++ b/src/main/java/de/juplo/kafka/EndlessConsumer.java
@@ -25,6 +25,7 @@ public class EndlessConsumer implements Runnable
   private final String groupId;
   private final String id;
   private final String topic;
+  private final String autoOffsetReset;
 
   private AtomicBoolean running = new AtomicBoolean();
   private long consumed = 0;
@@ -36,13 +37,15 @@ public class EndlessConsumer implements Runnable
       String bootstrapServer,
       String groupId,
       String clientId,
-      String topic)
+      String topic,
+      String autoOffsetReset)
   {
     this.executor = executor;
     this.bootstrapServer = bootstrapServer;
     this.groupId = groupId;
     this.id = clientId;
     this.topic = topic;
+    this.autoOffsetReset = autoOffsetReset;
   }
 
   @Override
@@ -54,7 +57,7 @@ public class EndlessConsumer implements Runnable
       props.put("bootstrap.servers", bootstrapServer);
       props.put("group.id", groupId);
       props.put("client.id", id);
-      props.put("auto.offset.reset", "earliest");
+      props.put("auto.offset.reset", autoOffsetReset);
       props.put("key.deserializer", StringDeserializer.class.getName());
       props.put("value.deserializer", StringDeserializer.class.getName());
 
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 763880d..db37822 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -3,6 +3,7 @@ consumer:
   group-id: my-consumer
   client-id: peter
   topic: test
+  auto-offset-reset: earliest
 management:
   endpoints:
     web:
-- 
2.20.1