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

diff --git a/src/main/java/de/juplo/kafka/KeyCountingRecordHandler.java b/src/main/java/de/juplo/kafka/KeyCountingRecordHandler.java
deleted file mode 100644 (file)
index 83b3ff2..0000000
--- a/src/main/java/de/juplo/kafka/KeyCountingRecordHandler.java
+++ /dev/null
@@ -1,40 +0,0 @@
-package de.juplo.kafka;
-
-import lombok.extern.slf4j.Slf4j;
-import org.apache.kafka.clients.consumer.ConsumerRecord;
-
-import java.util.HashMap;
-import java.util.Map;
-
-
-@Slf4j
-public class KeyCountingRecordHandler implements RecordHandler<String, Long>
-{
-  private final Map<Integer, Map<String, Long>> seen = new HashMap<>();
-
-
-  @Override
-  public void accept(ConsumerRecord<String, Long> record)
-  {
-    Integer partition = record.partition();
-    String key = record.key() == null ? "NULL" : record.key().toString();
-
-    if (!seen.containsKey(partition))
-      seen.put(partition, new HashMap<>());
-
-    Map<String, Long> byKey = seen.get(partition);
-
-    if (!byKey.containsKey(key))
-      byKey.put(key, 0l);
-
-    long seenByKey = byKey.get(key);
-    seenByKey++;
-    byKey.put(key, seenByKey);
-  }
-
-
-  public Map<Integer, Map<String, Long>> getSeen()
-  {
-    return seen;
-  }
-}