X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FApplication.java;h=f26d7a20538517b68bda028890af513406d5966a;hb=2ed4e6d438d33a6669eb20526665acdc8fb62d21;hp=3828b1d197a7b1d0cd0c078c61fa8d43d8e0a765;hpb=5b9f4cd21a87b03cb1c432e9965fb0082ab05dd3;p=demos%2Fkafka%2Ftraining diff --git a/src/main/java/de/juplo/kafka/Application.java b/src/main/java/de/juplo/kafka/Application.java index 3828b1d..f26d7a2 100644 --- a/src/main/java/de/juplo/kafka/Application.java +++ b/src/main/java/de/juplo/kafka/Application.java @@ -1,47 +1,34 @@ package de.juplo.kafka; -import lombok.extern.slf4j.Slf4j; -import org.apache.kafka.clients.consumer.Consumer; -import org.springframework.beans.factory.annotation.Autowired; -import org.springframework.boot.ApplicationArguments; -import org.springframework.boot.ApplicationRunner; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; -import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor; - -import javax.annotation.PreDestroy; -import java.util.concurrent.ExecutionException; -import java.util.concurrent.Future; +import org.springframework.boot.autoconfigure.kafka.KafkaProperties; +import org.springframework.boot.context.properties.EnableConfigurationProperties; +import org.springframework.context.annotation.Bean; +import org.springframework.kafka.core.KafkaOperations; +import org.springframework.kafka.listener.DeadLetterPublishingRecoverer; +import org.springframework.kafka.listener.DefaultErrorHandler; +import org.springframework.util.backoff.FixedBackOff; @SpringBootApplication -@Slf4j -public class Application implements ApplicationRunner +@EnableConfigurationProperties({ KafkaProperties.class, ApplicationProperties.class }) +public class Application { - @Autowired - ThreadPoolTaskExecutor taskExecutor; - @Autowired - Consumer kafkaConsumer; - @Autowired - SimpleConsumer simpleConsumer; - - Future consumerJob; - - @Override - public void run(ApplicationArguments args) throws Exception + @Bean + public DeadLetterPublishingRecoverer deadLetterPublishingRecoverer( + KafkaOperations kafkaTemplate) { - log.info("Starting SimpleConsumer"); - consumerJob = taskExecutor.submit(simpleConsumer); + return new DeadLetterPublishingRecoverer(kafkaTemplate); } - @PreDestroy - public void shutdown() throws ExecutionException, InterruptedException + @Bean + public DefaultErrorHandler errorHandler( + DeadLetterPublishingRecoverer recoverer) { - log.info("Signaling SimpleConsumer to quit its work"); - kafkaConsumer.wakeup(); - log.info("Waiting for SimpleConsumer to finish its work"); - consumerJob.get(); - log.info("SimpleConsumer finished its work"); + return new DefaultErrorHandler( + recoverer, + new FixedBackOff(0l, 0l)); }