import org.apache.kafka.clients.consumer.ConsumerRecord;
import org.apache.kafka.clients.consumer.ConsumerRecords;
import org.apache.kafka.clients.consumer.KafkaConsumer;
import java.util.Arrays;
import java.util.Properties;
public class SimpleConsumer {
public static void main(String[] args)throws Exception {
String topicName ="abcd";
Properties props =new Properties();
props.put("bootstrap.servers", "192.168.2.128:9092");
props.put("group.id", "1");
props.put("client.id","2");
props.put("enable.auto.commit", "true");
props.put("auto.commit.interval.ms", "1000");
props.put("session.timeout.ms", "30000");
props.put("key.deserializer",
"org.apache.kafka.common.serialization.StringDeserializer");
props.put("value.deserializer",
"org.apache.kafka.common.serialization.StringDeserializer");
@SuppressWarnings("resource")
KafkaConsumer consumer =new KafkaConsumer(props);
consumer.subscribe(Arrays.asList(topicName));
System.out.println("Subscribed to topic "+ topicName);
while (true) {
ConsumerRecords records = consumer.poll(100);
for (ConsumerRecord record : records)
System.out.printf("offset = %d, key = %s, value = %s, creatTime = %d\n",
record.offset(), record.key(), record.value(),record.timestamp());
}
}
}