From: Kai Moritz <kai@juplo.de>
Date: Fri, 25 Mar 2022 11:44:48 +0000 (+0100)
Subject: SimpleProducer in Endless Producer umbenannt
X-Git-Tag: acks-KAPUTT-DEPRECATED~13^2
X-Git-Url: http://juplo.de/gitweb/?a=commitdiff_plain;h=045a6286fe70f0773bf06f327321bfe8846e4532;p=demos%2Fkafka%2Ftraining

SimpleProducer in Endless Producer umbenannt

* Nötig, um die GIT-Historie zu reparieren, so dass Änderungen über die
  Umbenennung hinaus von GIT erkannt werden können.
---

diff --git a/src/main/java/de/juplo/kafka/EndlessProducer.java b/src/main/java/de/juplo/kafka/EndlessProducer.java
new file mode 100644
index 0000000..357e07a
--- /dev/null
+++ b/src/main/java/de/juplo/kafka/EndlessProducer.java
@@ -0,0 +1,117 @@
+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;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Future;
+
+
+@Slf4j
+public class SimpleProducer
+{
+  private final String id;
+  private final String topic;
+  private final KafkaProducer<String, String> producer;
+
+  private long produced = 0;
+
+  public SimpleProducer(String clientId, String topic)
+  {
+    // 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[]
+
+    this.id = clientId;
+    this.topic = topic;
+    this.producer = producer;
+  }
+
+  public void run()
+  {
+    long i = 0;
+
+    try
+    {
+      for (; i < 100 ; i++)
+      {
+        send(Long.toString(i%10), Long.toString(i));
+      }
+
+      log.info("{} - Done", id);
+    }
+    finally
+    {
+      log.info("{}: Closing the KafkaProducer", id);
+      producer.close();
+      log.info("{}: Produced {} messages in total, exiting!", id, produced);
+    }
+  }
+
+  void send(String key, String value)
+  {
+    final long time = System.currentTimeMillis();
+
+    final ProducerRecord<String, String> record = new ProducerRecord<>(
+        "test", // Topic
+        key,    // Key
+        value   // Value
+    );
+
+    producer.send(record, (metadata, e) ->
+    {
+      long now = System.currentTimeMillis();
+      if (e == null)
+      {
+        // HANDLE SUCCESS
+        produced++;
+        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,
+        value,
+        record.key(),
+        now - time
+    );
+  }
+
+
+  public static void main(String[] args) throws Exception
+  {
+    SimpleProducer producer = new SimpleProducer("P", "test");
+    producer.run();
+  }
+}
diff --git a/src/main/java/de/juplo/kafka/SimpleProducer.java b/src/main/java/de/juplo/kafka/SimpleProducer.java
deleted file mode 100644
index 357e07a..0000000
--- a/src/main/java/de/juplo/kafka/SimpleProducer.java
+++ /dev/null
@@ -1,117 +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;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Future;
-
-
-@Slf4j
-public class SimpleProducer
-{
-  private final String id;
-  private final String topic;
-  private final KafkaProducer<String, String> producer;
-
-  private long produced = 0;
-
-  public SimpleProducer(String clientId, String topic)
-  {
-    // 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[]
-
-    this.id = clientId;
-    this.topic = topic;
-    this.producer = producer;
-  }
-
-  public void run()
-  {
-    long i = 0;
-
-    try
-    {
-      for (; i < 100 ; i++)
-      {
-        send(Long.toString(i%10), Long.toString(i));
-      }
-
-      log.info("{} - Done", id);
-    }
-    finally
-    {
-      log.info("{}: Closing the KafkaProducer", id);
-      producer.close();
-      log.info("{}: Produced {} messages in total, exiting!", id, produced);
-    }
-  }
-
-  void send(String key, String value)
-  {
-    final long time = System.currentTimeMillis();
-
-    final ProducerRecord<String, String> record = new ProducerRecord<>(
-        "test", // Topic
-        key,    // Key
-        value   // Value
-    );
-
-    producer.send(record, (metadata, e) ->
-    {
-      long now = System.currentTimeMillis();
-      if (e == null)
-      {
-        // HANDLE SUCCESS
-        produced++;
-        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,
-        value,
-        record.key(),
-        now - time
-    );
-  }
-
-
-  public static void main(String[] args) throws Exception
-  {
-    SimpleProducer producer = new SimpleProducer("P", "test");
-    producer.run();
-  }
-}