Einfacher geht es nicht mehr

[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
deleted file mode 100644 (file)
index 2075781..0000000
--- a/src/main/java/de/juplo/kafka/ApplicationRecordHandler.java
+++ /dev/null
@@ -1,84 +0,0 @@
-package de.juplo.kafka;
-
-import lombok.RequiredArgsConstructor;
-import lombok.extern.slf4j.Slf4j;
-import org.springframework.kafka.annotation.KafkaHandler;
-import org.springframework.kafka.annotation.KafkaListener;
-import org.springframework.kafka.support.KafkaHeaders;
-import org.springframework.messaging.handler.annotation.Header;
-import org.springframework.messaging.handler.annotation.Payload;
-
-import java.time.Duration;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Optional;
-
-
-@RequiredArgsConstructor
-@Slf4j
-@KafkaListener(
-    id = "${spring.kafka.consumer.group-id}",
-    topics = "${sumup.adder.topic}")
-public class ApplicationRecordHandler
-{
-  private final AdderResults results;
-  private final Optional<Duration> throttle;
-  private final String id;
-
-  private final Map<Integer, AdderBusinessLogic> state = new HashMap<>();
-
-
-  @KafkaHandler
-  public void addNumber(
-      @Header(KafkaHeaders.RECEIVED_PARTITION_ID)
-      Integer partition,
-      @Header(KafkaHeaders.RECEIVED_MESSAGE_KEY)
-      String user,
-      @Payload
-      MessageAddNumber message)
-  {
-    log.debug("{} - Received {} for {} on {}", id, message, user, partition);
-    state.get(partition).addToSum(user, message.getNext());
-    throttle();
-  }
-
-  @KafkaHandler
-  public void calculateSum(
-      @Header(KafkaHeaders.RECEIVED_PARTITION_ID)
-      Integer partition,
-      @Header(KafkaHeaders.RECEIVED_MESSAGE_KEY)
-      String user,
-      @Payload
-      MessageCalculateSum message)
-  {
-    AdderResult result = state.get(partition).calculate(user);
-    log.info("{} - New result for {}: {}", id, user, result);
-    results.addResults(partition, user, result);
-    throttle();
-  }
-
-  private void throttle()
-  {
-    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)
-  {
-    this.state.put(partition, new AdderBusinessLogic(state));
-  }
-
-  protected Map<String, AdderResult> removePartition(Integer partition)
-  {
-    return this.state.remove(partition).getState();
-  }
-}