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MINOR: Read configuration fields from ProducerConfig in example (#4601) 

Reading the configuration field names from ProducerConfig class and taking the key and value serializer names from class name directly instead of hardcoding.
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UVN 2018-02-21 10:58:35 -06:00 committed by Jason Gustafson
parent 90e0bbec94
commit 1667c16be1
1 changed files with 7 additions and 4 deletions
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11
examples/src/main/java/kafka/examples/Producer.java
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@ -20,6 +20,9 @@ import org.apache.kafka.clients.producer.Callback;
import org.apache.kafka.clients.producer.KafkaProducer; import org.apache.kafka.clients.producer.KafkaProducer;
import org.apache.kafka.clients.producer.ProducerRecord; import org.apache.kafka.clients.producer.ProducerRecord;
import org.apache.kafka.clients.producer.RecordMetadata; import org.apache.kafka.clients.producer.RecordMetadata;
import org.apache.kafka.clients.producer.ProducerConfig;
import org.apache.kafka.common.serialization.IntegerSerializer;
import org.apache.kafka.common.serialization.StringSerializer;
import java.util.Properties; import java.util.Properties;
import java.util.concurrent.ExecutionException; import java.util.concurrent.ExecutionException;
@ -31,10 +34,10 @@ public class Producer extends Thread {
public Producer(String topic, Boolean isAsync) { public Producer(String topic, Boolean isAsync) {
Properties props = new Properties(); Properties props = new Properties();
props.put("bootstrap.servers", KafkaProperties.KAFKA_SERVER_URL + ":" + KafkaProperties.KAFKA_SERVER_PORT); props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, KafkaProperties.KAFKA_SERVER_URL + ":" + KafkaProperties.KAFKA_SERVER_PORT);
props.put("client.id", "DemoProducer"); props.put(ProducerConfig.CLIENT_ID_CONFIG, "DemoProducer");
props.put("key.serializer", "org.apache.kafka.common.serialization.IntegerSerializer"); props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, IntegerSerializer.class.getName());
props.put("value.serializer", "org.apache.kafka.common.serialization.StringSerializer"); props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, StringSerializer.class.getName());
producer = new KafkaProducer<>(props); producer = new KafkaProducer<>(props);
this.topic = topic; this.topic = topic;
this.isAsync = isAsync; this.isAsync = isAsync;