1 package de.juplo.kafka;
3 import org.apache.kafka.clients.consumer.KafkaConsumer;
4 import org.apache.kafka.common.serialization.LongDeserializer;
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;
11 import java.util.concurrent.ExecutorService;
12 import java.util.concurrent.Executors;
16 @EnableConfigurationProperties(ApplicationProperties.class)
17 public class ApplicationConfiguration
20 public EndlessConsumer endlessConsumer(
21 KafkaConsumer<String, String> kafkaConsumer,
22 ExecutorService executor,
23 ApplicationProperties properties)
28 properties.getClientId(),
29 properties.getTopic(),
34 public ExecutorService executor()
36 return Executors.newSingleThreadExecutor();
39 @Bean(destroyMethod = "close")
40 public KafkaConsumer<String, String> kafkaConsumer(ApplicationProperties properties)
42 Properties props = new Properties();
44 props.put("bootstrap.servers", properties.getBootstrapServer());
45 props.put("group.id", properties.getGroupId());
46 props.put("client.id", properties.getClientId());
47 props.put("auto.offset.reset", properties.getAutoOffsetReset());
48 props.put("metadata.max.age.ms", "1000");
49 props.put("key.deserializer", StringDeserializer.class.getName());
50 props.put("value.deserializer", LongDeserializer.class.getName());
52 return new KafkaConsumer<>(props);