Endless Producer: a simple producer, implemented as Spring-Boot-App

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

diff --git a/src/main/java/de/juplo/kafka/SimpleProducer.java b/src/main/java/de/juplo/kafka/SimpleProducer.java
deleted file mode 100644 (file)
index 5f57925..0000000
--- a/src/main/java/de/juplo/kafka/SimpleProducer.java
+++ /dev/null
@@ -1,88 +0,0 @@
-package de.juplo.kafka;
-
-import lombok.extern.slf4j.Slf4j;
-import org.apache.kafka.clients.producer.KafkaProducer;
-import org.apache.kafka.clients.producer.ProducerRecord;
-import org.apache.kafka.common.serialization.StringSerializer;
-
-import java.util.Properties;
-
-
-@Slf4j
-public class SimpleProducer
-{
-  public static void main(String[] args) throws Exception
-  {
-    // tag::create[]
-    Properties props = new Properties();
-    props.put("bootstrap.servers", "localhost:9092");
-    props.put("key.serializer", StringSerializer.class.getName());
-    props.put("value.serializer", StringSerializer.class.getName());
-
-    KafkaProducer<String, String> producer = new KafkaProducer<>(props);
-    // end::create[]
-
-    String id = "P";
-    long i = 0;
-
-    try
-    {
-      for (; i < 100 ; i++)
-      {
-        final long time = System.currentTimeMillis();
-
-        final ProducerRecord<String, String> record = new ProducerRecord<>(
-            "test",              // Topic
-            Long.toString(i%10), // Key
-            Long.toString(i)     // Value
-        );
-
-        producer.send(record, (metadata, e) ->
-        {
-          long now = System.currentTimeMillis();
-          if (e == null)
-          {
-            // HANDLE SUCCESS
-            log.debug(
-                "{} - Sent key={} message={} partition={}/{} timestamp={} latency={}ms",
-                id,
-                record.key(),
-                record.value(),
-                metadata.partition(),
-                metadata.offset(),
-                metadata.timestamp(),
-                now - time
-            );
-          }
-          else
-          {
-            // HANDLE ERROR
-            log.error(
-                "{} - ERROR key={} timestamp={} latency={}ms: {}",
-                id,
-                record.key(),
-                metadata == null ? -1 : metadata.timestamp(),
-                now - time,
-                e.toString()
-            );
-          }
-        });
-
-        long now = System.currentTimeMillis();
-        log.trace(
-            "{} - Queued #{} key={} latency={}ms",
-            id,
-            i,
-            record.key(),
-            now - time
-        );
-      }
-    }
-    finally
-    {
-      log.info("{}: Closing the KafkaProducer", id);
-      producer.close();
-      log.info("{}: Exiting!", id);
-    }
-  }
-}