package de.juplo.kafka;
import org.apache.kafka.clients.consumer.Consumer;
-import org.apache.kafka.clients.consumer.KafkaConsumer;
-import org.apache.kafka.common.serialization.StringDeserializer;
+import org.springframework.boot.autoconfigure.kafka.KafkaProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
-import java.util.Properties;
+import org.springframework.kafka.core.ConsumerFactory;
@Configuration
-@EnableConfigurationProperties({ ApplicationProperties.class })
+@EnableConfigurationProperties({ KafkaProperties.class, ApplicationProperties.class })
public class ApplicationConfiguration
{
@Bean
public SimpleConsumer simpleConsumer(
Consumer<String, String> kafkaConsumer,
+ KafkaProperties kafkaProperties,
ApplicationProperties applicationProperties)
{
return
new SimpleConsumer(
- applicationProperties.getClientId(),
+ kafkaProperties.getClientId(),
applicationProperties.getTopic(),
kafkaConsumer);
}
@Bean
- public Consumer<String, String> kafkaConsumer(ApplicationProperties properties)
+ public Consumer<?, ?> kafkaConsumer(ConsumerFactory<?, ?> factory)
{
- Properties props = new Properties();
- props.put("bootstrap.servers", properties.getBootstrapServers());
- props.put("group.id", properties.getGroupId()); // ID für die Offset-Commits
- props.put("client.id", properties.getClientId()); // Nur zur Wiedererkennung
- props.put("auto.offset.reset", properties.getAutoOffsetReset());
- props.put("partition.assignment.strategy", "org.apache.kafka.clients.consumer.CooperativeStickyAssignor");
- props.put("key.deserializer", StringDeserializer.class.getName());
- props.put("value.deserializer", StringDeserializer.class.getName());
-
- return new KafkaConsumer<>(props);
+ return factory.createConsumer();
}
}