WIP:TaskExecutor-NEU

[demos/kafka/training] / src / main / java / de / juplo / kafka / Application.java

diff --git a/src/main/java/de/juplo/kafka/Application.java b/src/main/java/de/juplo/kafka/Application.java
index 718676b..3828b1d 100644 (file)
--- a/src/main/java/de/juplo/kafka/Application.java
+++ b/src/main/java/de/juplo/kafka/Application.java
@@ -7,44 +7,40 @@ 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 org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
 
 import javax.annotation.PreDestroy;
 import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Future;
 
 
 @SpringBootApplication
-@EnableAsync
 @Slf4j
 public class Application implements ApplicationRunner
 {
+  @Autowired
+  ThreadPoolTaskExecutor taskExecutor;
   @Autowired
   Consumer<?, ?> kafkaConsumer;
   @Autowired
   SimpleConsumer simpleConsumer;
 
+  Future<?> consumerJob;
+
   @Override
   public void run(ApplicationArguments args) throws Exception
   {
     log.info("Starting SimpleConsumer");
-    simpleConsumer.run();
+    consumerJob = taskExecutor.submit(simpleConsumer);
   }
 
   @PreDestroy
-  public void stop() throws ExecutionException, InterruptedException
+  public void shutdown() throws ExecutionException, InterruptedException
   {
     log.info("Signaling SimpleConsumer to quit its work");
     kafkaConsumer.wakeup();
-
-    while (simpleConsumer.isRunning())
-    {
-      log.info("Waiting for SimpleConsumer to finish its work");
-      try
-      {
-        Thread.sleep(1000);
-      }
-      catch (InterruptedException e) {}
-    }
+    log.info("Waiting for SimpleConsumer to finish its work");
+    consumerJob.get();
     log.info("SimpleConsumer finished its work");
   }