X-Git-Url: http://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FApplication.java;h=718676b95e10c3590aeb7f185e0ee30da7bbcf21;hb=1e858c1835d47259583cf3cce18921c550682e2b;hp=6601e6dec42ced184105af1d6f8388ad7947f7ab;hpb=28b729e55e2e0914b06c1dcb0a5defd9bcef4933;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 6601e6d..718676b 100644 --- a/src/main/java/de/juplo/kafka/Application.java +++ b/src/main/java/de/juplo/kafka/Application.java @@ -1,60 +1,51 @@ 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.List; -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 kafkaConsumer; @Autowired - ExecutorService executor; - + SimpleConsumer simpleConsumer; @Override public void run(ApplicationArguments args) throws Exception { - log.info("Starting EndlessConsumer"); - endlessConsumer.start(); + log.info("Starting SimpleConsumer"); + simpleConsumer.run(); } @PreDestroy - public void stopExecutor() + public void stop() throws ExecutionException, InterruptedException { - 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.toString()); - } - finally + log.info("Signaling SimpleConsumer to quit its work"); + kafkaConsumer.wakeup(); + + while (simpleConsumer.isRunning()) { - if (!executor.isShutdown()) + log.info("Waiting for SimpleConsumer to finish its work"); + try { - log.warn("Forcing shutdown of ExecutorService!"); - executor - .shutdownNow() - .forEach(runnable -> log.warn("Unfinished task: {}", runnable.getClass().getSimpleName())); + Thread.sleep(1000); } - log.info("Shutdow of ExecutorService finished"); + catch (InterruptedException e) {} } + log.info("SimpleConsumer finished its work"); }