1 package de.juplo.kafka;
3 import org.apache.kafka.clients.consumer.Consumer;
4 import org.apache.kafka.clients.consumer.KafkaConsumer;
5 import org.apache.kafka.common.serialization.StringDeserializer;
6 import org.springframework.boot.context.properties.EnableConfigurationProperties;
7 import org.springframework.context.annotation.Bean;
8 import org.springframework.context.annotation.Configuration;
10 import java.util.Properties;
14 @EnableConfigurationProperties({ ApplicationProperties.class })
15 public class ApplicationConfiguration
18 public SimpleConsumer simpleConsumer(
19 Consumer<String, String> kafkaConsumer,
20 ApplicationProperties applicationProperties)
24 applicationProperties.getClientId(),
25 applicationProperties.getTopic(),
30 public Consumer<String, String> kafkaConsumer(ApplicationProperties properties)
32 Properties props = new Properties();
33 props.put("bootstrap.servers", properties.getBootstrapServers());
34 props.put("group.id", properties.getGroupId()); // ID für die Offset-Commits
35 props.put("client.id", properties.getClientId()); // Nur zur Wiedererkennung
36 props.put("auto.offset.reset", properties.getAutoOffsetReset());
37 props.put("partition.assignment.strategy", "org.apache.kafka.clients.consumer.CooperativeStickyAssignor");
38 props.put("key.deserializer", StringDeserializer.class.getName());
39 props.put("value.deserializer", StringDeserializer.class.getName());
41 return new KafkaConsumer<>(props);