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 a9b466d..3828b1d 100644 (file)
--- a/src/main/java/de/juplo/kafka/Application.java
+++ b/src/main/java/de/juplo/kafka/Application.java
@@ -7,10 +7,10 @@ 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.Executor;
 import java.util.concurrent.Future;
 
 
@@ -19,17 +19,19 @@ import java.util.concurrent.Future;
 public class Application implements ApplicationRunner
 {
   @Autowired
-  Executor executor;
+  ThreadPoolTaskExecutor taskExecutor;
   @Autowired
   Consumer<?, ?> kafkaConsumer;
   @Autowired
   SimpleConsumer simpleConsumer;
 
+  Future<?> consumerJob;
+
   @Override
   public void run(ApplicationArguments args) throws Exception
   {
     log.info("Starting SimpleConsumer");
-    executor.execute(simpleConsumer);
+    consumerJob = taskExecutor.submit(simpleConsumer);
   }
 
   @PreDestroy
@@ -37,6 +39,9 @@ public class Application implements ApplicationRunner
   {
     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");
   }