Der Adder verarbeitet zwei Typen von JSON-Nachrichten anstatt String

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

diff --git a/src/main/java/de/juplo/kafka/ApplicationRecordHandler.java b/src/main/java/de/juplo/kafka/ApplicationRecordHandler.java
index 51d524f..829ab0e 100644 (file)
--- a/src/main/java/de/juplo/kafka/ApplicationRecordHandler.java
+++ b/src/main/java/de/juplo/kafka/ApplicationRecordHandler.java
@@ -12,7 +12,7 @@ import java.util.Optional;
 
 @RequiredArgsConstructor
 @Slf4j
-public class ApplicationRecordHandler implements RecordHandler<String, String>
+public class ApplicationRecordHandler implements RecordHandler<String, Message>
 {
   private final AdderResults results;
   private final Optional<Duration> throttle;
@@ -22,21 +22,24 @@ public class ApplicationRecordHandler implements RecordHandler<String, String>
 
 
   @Override
-  public void accept(ConsumerRecord<String, String> record)
+  public void accept(ConsumerRecord<String, Message> record)
   {
     Integer partition = record.partition();
     String user = record.key();
-    String message = record.value();
+    Message message = record.value();
 
-    if (message.equals("CALCULATE"))
+    switch(message.getType())
     {
-      AdderResult result = state.get(partition).calculate(user);
-      log.info("{} - New result for {}: {}", id, user, result);
-      results.addResults(partition, user, result);
-    }
-    else
-    {
-      state.get(partition).addToSum(user, Integer.parseInt(message));
+      case ADD:
+        MessageAddNumber addNumber = (MessageAddNumber)message;
+        state.get(partition).addToSum(user, addNumber.getNext());
+        break;
+
+      case CALC:
+        AdderResult result = state.get(partition).calculate(user);
+        log.info("{} - New result for {}: {}", id, user, result);
+        results.addResults(partition, user, result);
+        break;
     }
 
     if (throttle.isPresent())