import org.apache.kafka.clients.consumer.KafkaConsumer;
import org.apache.kafka.common.serialization.StringDeserializer;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
+import org.springframework.kafka.support.serializer.JsonDeserializer;
import java.util.Optional;
import java.util.Properties;
ApplicationRecordHandler recordHandler,
AdderResults adderResults,
StateRepository stateRepository,
+ KafkaConsumer<String, Message> consumer,
ApplicationProperties properties)
{
return new ApplicationRebalanceListener(
}
@Bean
- public EndlessConsumer<String, String> endlessConsumer(
- KafkaConsumer<String, String> kafkaConsumer,
+ public EndlessConsumer<String, Message> endlessConsumer(
+ KafkaConsumer<String, Message> kafkaConsumer,
ExecutorService executor,
+ ConfigurableApplicationContext applicationContext,
ApplicationRebalanceListener rebalanceListener,
ApplicationRecordHandler recordHandler,
ApplicationProperties properties)
return
new EndlessConsumer<>(
executor,
+ applicationContext,
properties.getClientId(),
properties.getTopic(),
kafkaConsumer,
}
@Bean(destroyMethod = "close")
- public KafkaConsumer<String, String> kafkaConsumer(ApplicationProperties properties)
+ public KafkaConsumer<String, Message> kafkaConsumer(ApplicationProperties properties)
{
Properties props = new Properties();
props.put("auto.commit.interval.ms", (int)properties.getCommitInterval().toMillis());
props.put("metadata.max.age.ms", "1000");
props.put("key.deserializer", StringDeserializer.class.getName());
- props.put("value.deserializer", StringDeserializer.class.getName());
+ props.put("value.deserializer", JsonDeserializer.class.getName());
+ props.put(JsonDeserializer.TRUSTED_PACKAGES, "de.juplo.kafka");
+ props.put(JsonDeserializer.TYPE_MAPPINGS,
+ Message.Type.ADD + ":" + MessageAddNumber.class.getName() + "," +
+ Message.Type.CALC + ":" + MessageCalculateSum.class.getName());
return new KafkaConsumer<>(props);
}