本文整理汇总了Java中org.apache.kafka.clients.producer.ProducerRecord.topic方法的典型用法代码示例。如果您正苦于以下问题：Java ProducerRecord.topic方法的具体用法？Java ProducerRecord.topic怎么用？Java ProducerRecord.topic使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.kafka.clients.producer.ProducerRecord的用法示例。
在下文中一共展示了ProducerRecord.topic方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: readOutput
import org.apache.kafka.clients.producer.ProducerRecord; //导入方法依赖的package包/类
/**
* Read the next record from the given topic. These records were output by the topology during the previous calls to
* {@link #process(String, byte[], byte[])}.
*
* @param topic the name of the topic
* @param keyDeserializer the deserializer for the key type
* @param valueDeserializer the deserializer for the value type
* @return the next record on that topic, or null if there is no record available
*/
public <K, V> ProducerRecord<K, V> readOutput(final String topic,
final Deserializer<K> keyDeserializer,
final Deserializer<V> valueDeserializer) {
final ProducerRecord<byte[], byte[]> record = readOutput(topic);
if (record == null) {
return null;
}
final K key = keyDeserializer.deserialize(record.topic(), record.key());
final V value = valueDeserializer.deserialize(record.topic(), record.value());
return new ProducerRecord<>(record.topic(), record.partition(), record.timestamp(), key, value);
}
示例2: onSend
import org.apache.kafka.clients.producer.ProducerRecord; //导入方法依赖的package包/类
@Override
public ProducerRecord<Integer, String> onSend(ProducerRecord<Integer, String> record) {
onSendCount++;
if (throwExceptionOnSend)
throw new KafkaException("Injected exception in AppendProducerInterceptor.onSend");
return new ProducerRecord<>(
record.topic(), record.partition(), record.key(), record.value().concat(appendStr));
}
示例3: getSendPartition
import org.apache.kafka.clients.producer.ProducerRecord; //导入方法依赖的package包/类
public static TopicPartition getSendPartition(ProducerRecord<String, byte[]> record) {
return new TopicPartition(record.topic(), record.partition());
}
示例4: onSend
import org.apache.kafka.clients.producer.ProducerRecord; //导入方法依赖的package包/类
@Override
public ProducerRecord<String, String> onSend(ProducerRecord<String, String> record) {
ONSEND_COUNT.incrementAndGet();
return new ProducerRecord<>(
record.topic(), record.partition(), record.key(), record.value().concat(appendStr));
}