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[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
index 913ffd5..a5554c1 100644 (file)
--- a/src/main/java/de/juplo/kafka/SimpleConsumer.java
+++ b/src/main/java/de/juplo/kafka/SimpleConsumer.java
@@ -27,19 +27,7 @@ public class SimpleConsumer
 
   public SimpleConsumer()
   {
-    // tag::create[]
-    Properties props = new Properties();
-    props.put("bootstrap.servers", ":9092");
-    props.put("group.id", "my-consumer"); // << Used for Offset-Management
-    // end::create[]
-    props.put("auto.offset.reset", "earliest");
-    // tag::create[]
-    props.put("key.deserializer", StringDeserializer.class.getName());
-    props.put("value.deserializer", StringDeserializer.class.getName());
-
-    Consumer<String, String> consumer = new KafkaConsumer<>(props);
-    // end::create[]
-    this.consumer = consumer;
+    this.consumer = null; // TODO: Eine Instanz von KafkaConsumer erzeugen
   }
 
 
@@ -52,31 +40,12 @@ public class SimpleConsumer
       log.info("{} - Subscribing to topic test", id);
       consumer.subscribe(Arrays.asList("test"));
 
-      // tag::loop[]
       while (true)
       {
-        ConsumerRecords<String, String> records =
-            consumer.poll(Duration.ofSeconds(1));
-
-        // Do something with the data...
-        // end::loop[]
-        log.info("{} - Received {} messages", id, records.count());
-        for (ConsumerRecord<String, String> record : records)
-        {
-          consumed++;
-          log.info(
-              "{} - {}: {}/{} - {}={}",
-              id,
-              record.offset(),
-              record.topic(),
-              record.partition(),
-              record.key(),
-              record.value()
-          );
-        }
-        // tag::loop[]
+        // TODO:
+        // Über consumer.poll() Nachrichten abrufen und diese
+        // über log.info() ausgeben.
       }
-      // end::loop[]
     }
     catch(WakeupException e)
     {