X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FApplicationRecordHandler.java;h=829ab0e0cc49b1f5aef5155f394b3902b6a9531e;hb=4e07958ca471036693e944b82b10567705ac55ed;hp=596f3da256d9d1e9a052ea43fe2d21c674db94cd;hpb=890fd85c334a078610701bd6e571d133df69473f;p=demos%2Fkafka%2Ftraining

diff --git a/src/main/java/de/juplo/kafka/ApplicationRecordHandler.java b/src/main/java/de/juplo/kafka/ApplicationRecordHandler.java
index 596f3da..829ab0e 100644
--- a/src/main/java/de/juplo/kafka/ApplicationRecordHandler.java
+++ b/src/main/java/de/juplo/kafka/ApplicationRecordHandler.java
@@ -4,35 +4,55 @@ import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.kafka.clients.consumer.ConsumerRecord;
 
+import java.time.Duration;
 import java.util.HashMap;
 import java.util.Map;
+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;
+  private final String id;
 
   private final Map<Integer, AdderBusinessLogic> state = new HashMap<>();
 
 
   @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 {}: {}", user, result);
-      results.addResults(partition, user, result);
-      return;
+      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;
     }
 
-    state.get(partition).addToSum(user, Integer.parseInt(message));
+    if (throttle.isPresent())
+    {
+      try
+      {
+        Thread.sleep(throttle.get().toMillis());
+      }
+      catch (InterruptedException e)
+      {
+        log.warn("{} - Intrerrupted while throttling: {}", id, e);
+      }
+    }
   }
 
   protected void addPartition(Integer partition, Map<String, AdderResult> state)