X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FApplication.java;h=e3219c1bb0add5d177eea5602a001c9aa8fc3727;hb=69ff8ad389db01433ec621f8daf2a31b3e8c5294;hp=6601e6dec42ced184105af1d6f8388ad7947f7ab;hpb=7cf65b5089d103542849e4ca12b6f6df6ad79aa0;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..e3219c1 100644
--- a/src/main/java/de/juplo/kafka/Application.java
+++ b/src/main/java/de/juplo/kafka/Application.java
@@ -1,65 +1,24 @@
 package de.juplo.kafka;
 
 import lombok.extern.slf4j.Slf4j;
-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.kafka.annotation.KafkaListener;
 
-import javax.annotation.PreDestroy;
-import java.util.List;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.TimeUnit;
-
-
+// tag::supersimple[]
 @SpringBootApplication
 @Slf4j
-public class Application implements ApplicationRunner
+public class Application
 {
-  @Autowired
-  EndlessConsumer endlessConsumer;
-  @Autowired
-  ExecutorService executor;
-
-
-  @Override
-  public void run(ApplicationArguments args) throws Exception
+  @KafkaListener(id = "supersimple", topics = "test")
+  public void recieve(String message)
   {
-    log.info("Starting EndlessConsumer");
-    endlessConsumer.start();
+    log.info("Recieved message: {}", message);
   }
 
-  @PreDestroy
-  public void stopExecutor()
-  {
-    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
-    {
-      if (!executor.isShutdown())
-      {
-        log.warn("Forcing shutdown of ExecutorService!");
-        executor
-            .shutdownNow()
-            .forEach(runnable -> log.warn("Unfinished task: {}", runnable.getClass().getSimpleName()));
-      }
-      log.info("Shutdow of ExecutorService finished");
-    }
-  }
-
-
   public static void main(String[] args)
   {
     SpringApplication.run(Application.class, args);
   }
 }
+// end::supersimple[]