From 57b7d26c4721fda7770abf944bc811667679dfe9 Mon Sep 17 00:00:00 2001
From: Kai Moritz <kai@juplo.de>
Date: Mon, 18 Jul 2022 18:09:41 +0200
Subject: [PATCH] WIP

---
 .../splitter/SplitterApplication.java         | 32 ++++++++++++++++---
 1 file changed, 27 insertions(+), 5 deletions(-)

diff --git a/src/main/java/de/juplo/kafka/wordcount/splitter/SplitterApplication.java b/src/main/java/de/juplo/kafka/wordcount/splitter/SplitterApplication.java
index 3fec844..555c216 100644
--- a/src/main/java/de/juplo/kafka/wordcount/splitter/SplitterApplication.java
+++ b/src/main/java/de/juplo/kafka/wordcount/splitter/SplitterApplication.java
@@ -9,13 +9,17 @@ import org.springframework.expression.Expression;
 import org.springframework.expression.ExpressionParser;
 import org.springframework.expression.common.LiteralExpression;
 import org.springframework.expression.spel.standard.SpelExpressionParser;
+import org.springframework.integration.annotation.InboundChannelAdapter;
 import org.springframework.integration.annotation.ServiceActivator;
 import org.springframework.integration.config.EnableIntegration;
 import org.springframework.integration.kafka.channel.SubscribableKafkaChannel;
+import org.springframework.integration.kafka.inbound.KafkaMessageSource;
 import org.springframework.integration.kafka.outbound.KafkaProducerMessageHandler;
 import org.springframework.kafka.config.KafkaListenerContainerFactory;
+import org.springframework.kafka.core.ConsumerFactory;
 import org.springframework.kafka.core.KafkaTemplate;
 import org.springframework.kafka.listener.AbstractMessageListenerContainer;
+import org.springframework.kafka.listener.ConsumerProperties;
 import org.springframework.messaging.MessageHandler;
 
 
@@ -27,16 +31,23 @@ public class SplitterApplication
 	@Bean
 	SubscribableKafkaChannel recordings(
 			KafkaTemplate<String, String> kafkaTemplate,
-			KafkaListenerContainerFactory<AbstractMessageListenerContainer<String, String>> containerFactory,
-			SplitterApplicationProperties properties,
-			@Value("${spring.kafka.consumer.group-id}") String groupId)
+			KafkaListenerContainerFactory<AbstractMessageListenerContainer<String, String>> containerFactory)
 	{
 		SubscribableKafkaChannel channel =
-				new SubscribableKafkaChannel(kafkaTemplate, containerFactory, properties.getInputTopic());
-		channel.setGroupId(groupId);
+				new SubscribableKafkaChannel(kafkaTemplate, containerFactory, "channel-recordings");
+		channel.setGroupId("recordings");
 		return channel;
 	}
 
+	@InboundChannelAdapter(channel = "recordings")
+	@Bean
+	KafkaMessageSource<String, String> source(
+			ConsumerFactory<String, String> cf,
+			SplitterApplicationProperties properties)
+	{
+		return new KafkaMessageSource<>(cf, new ConsumerProperties(properties.getInputTopic()));
+	}
+
 	@Bean
 	@ServiceActivator(inputChannel = "words")
 	MessageHandler handler(
@@ -52,6 +63,17 @@ public class SplitterApplication
 		return handler;
 	}
 
+	@Bean
+	SubscribableKafkaChannel words(
+			KafkaTemplate<String, String> kafkaTemplate,
+			KafkaListenerContainerFactory<AbstractMessageListenerContainer<String, String>> containerFactory)
+	{
+		SubscribableKafkaChannel channel =
+				new SubscribableKafkaChannel(kafkaTemplate, containerFactory, "channel-words");
+		channel.setGroupId("words");
+		return channel;
+	}
+
 	public static void main(String[] args)
 	{
 		SpringApplication.run(SplitterApplication.class, args);
-- 
2.20.1