Overwrite für die Partition-Assignment-Strategie entfernt

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

diff --git a/src/main/java/de/juplo/kafka/SimpleConsumer.java b/src/main/java/de/juplo/kafka/SimpleConsumer.java
deleted file mode 100644 (file)
index aadc11f..0000000
--- a/src/main/java/de/juplo/kafka/SimpleConsumer.java
+++ /dev/null
@@ -1,80 +0,0 @@
-package de.juplo.kafka;
-
-import lombok.RequiredArgsConstructor;
-import lombok.extern.slf4j.Slf4j;
-import org.apache.kafka.clients.consumer.Consumer;
-import org.apache.kafka.clients.consumer.ConsumerRecord;
-import org.apache.kafka.clients.consumer.ConsumerRecords;
-import org.apache.kafka.common.errors.WakeupException;
-
-import java.time.Duration;
-import java.util.Arrays;
-import java.util.concurrent.Callable;
-
-
-@Slf4j
-@RequiredArgsConstructor
-public class SimpleConsumer implements Callable<Integer>
-{
-  private final String id;
-  private final String topic;
-  private final Consumer<String, String> consumer;
-
-  private long consumed = 0;
-
-
-  @Override
-  public Integer call()
-  {
-    try
-    {
-      log.info("{} - Subscribing to topic {}", id, topic);
-      consumer.subscribe(Arrays.asList(topic));
-
-      while (true)
-      {
-        ConsumerRecords<String, String> records =
-            consumer.poll(Duration.ofSeconds(1));
-
-        log.info("{} - Received {} messages", id, records.count());
-        for (ConsumerRecord<String, String> record : records)
-        {
-          handleRecord(
-            record.topic(),
-            record.partition(),
-            record.offset(),
-            record.key(),
-            record.value());
-        }
-      }
-    }
-    catch(WakeupException e)
-    {
-      log.info("{} - Consumer was signaled to finish its work", id);
-      return 0;
-    }
-    catch(Exception e)
-    {
-      log.error("{} - Unexpected error: {}, unsubscribing!", id, e.toString());
-      consumer.unsubscribe();
-      return 1;
-    }
-    finally
-    {
-      log.info("{} - Closing the KafkaConsumer", id);
-      consumer.close();
-      log.info("{}: Consumed {} messages in total, exiting!", id, consumed);
-    }
-  }
-
-  private void handleRecord(
-    String topic,
-    Integer partition,
-    Long offset,
-    String key,
-    String value)
-  {
-    consumed++;
-    log.info("{} - {}: {}/{} - {}={}", id, offset, topic, partition, key, value);
-  }
-}