X-Git-Url: http://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FApplication.java;h=3157ef64119513d9be5e0f18b9ce37f1eaedf750;hb=ae796c9e9e4ec5c86853aa9b100d0cfe4deeda3c;hp=76c2520b393611d4166a3d96f762872f67da39d2;hpb=53e0f25ec3d03858494b2006670dc2b0564139c3;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 76c2520..3157ef6 100644 --- a/src/main/java/de/juplo/kafka/Application.java +++ b/src/main/java/de/juplo/kafka/Application.java @@ -1,73 +1,40 @@ 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.annotation.EnableAsync; import javax.annotation.PreDestroy; -import java.util.concurrent.ExecutorService; -import java.util.concurrent.TimeUnit; +import java.util.concurrent.ExecutionException; @SpringBootApplication +@EnableAsync @Slf4j public class Application implements ApplicationRunner { @Autowired - EndlessConsumer endlessConsumer; + Consumer consumer; @Autowired - ExecutorService executor; - + SimpleConsumer simpleConsumer; @Override public void run(ApplicationArguments args) throws Exception { - log.info("Starting EndlessConsumer"); - endlessConsumer.start(); + log.info("Starting SimpleConsumer"); + simpleConsumer.start(); } @PreDestroy - public void shutdown() + public void stop() throws ExecutionException, InterruptedException { - try - { - log.info("Stopping EndlessConsumer"); - endlessConsumer.stop(); - } - catch (IllegalStateException e) - { - log.info("Was already stopped: {}", e.toString()); - } - catch (Exception e) - { - log.error("Unexpected exception while stopping EndlessConsumer: {}", e); - } - - try - { - log.info("Shutting down the ExecutorService."); - executor.shutdown(); - log.info("Waiting 5 seconds for the ExecutorService to terminate..."); - executor.awaitTermination(5, TimeUnit.SECONDS); - } - catch (InterruptedException e) - { - log.error("Exception while waiting for the termination of the ExecutorService: {}", e); - } - finally - { - if (!executor.isTerminated()) - { - log.warn("Forcing shutdown of ExecutorService!"); - executor - .shutdownNow() - .forEach(runnable -> log.warn("Unprocessed task: {}", runnable.getClass().getSimpleName())); - } - log.info("Shutdow of ExecutorService finished"); - } + log.info("Signaling SimpleConsumer to quit its work"); + consumer.wakeup(); }