BAEL-6415: Merged Kafka-3 project into Kafka-2 project

2023-08-15 07:47:27 +02:00
parent 5dc9e85c2d
commit 1df07e6696
3 changed files with 2 additions and 31 deletions
@@ -0,0 +1,39 @@
+package com.baeldung.kafka.consumer;
+
+import org.apache.kafka.clients.consumer.*;
+import org.apache.kafka.common.serialization.LongDeserializer;
+import org.apache.kafka.common.serialization.StringDeserializer;
+
+import java.time.Duration;
+import java.util.Arrays;
+import java.util.Properties;
+
+public class SimpleConsumerWithBootStrapServers {
+
+    public static void main(String[] args) {
+        try(final Consumer<Long, String> consumer = createConsumer()) {
+            ConsumerRecords<Long, String> records = consumer.poll(Duration.ofMinutes(1));
+            for(ConsumerRecord<Long, String> record : records) {
+                System.out.println(record.value());
+            }
+        }
+    }
+
+    private static Consumer<Long, String> createConsumer() {
+        final Properties props = new Properties();
+        props.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG,
+                "localhost:9092,another-host.com:29092");
+        props.put(ConsumerConfig.GROUP_ID_CONFIG,
+                "MySampleConsumer");
+        props.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG,
+                LongDeserializer.class.getName());
+        props.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG,
+                StringDeserializer.class.getName());
+        // Create the consumer using props.
+        final Consumer<Long, String> consumer = new KafkaConsumer<Long, String>(props);
+        // Subscribe to the topic.
+        consumer.subscribe(Arrays.asList("samples"));
+        return consumer;
+    }
+
+}