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/*-
* ============LICENSE_START=======================================================
* sdc-distribution-client
* ================================================================================
* Copyright (C) 2022 Nordix Foundation. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.sdc.utils.kafka;
import java.util.Properties;
import java.util.concurrent.Future;
import org.apache.kafka.clients.producer.KafkaProducer;
import org.apache.kafka.clients.producer.ProducerRecord;
import org.apache.kafka.clients.producer.RecordMetadata;
import org.apache.kafka.common.KafkaException;
import org.onap.sdc.impl.Configuration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Utility class that provides a KafkaProducer to communicate with a kafka cluster
*/
public class SdcKafkaProducer {
private static final Logger log = LoggerFactory.getLogger(SdcKafkaProducer.class);
final KafkaProducer<String, String> producer;
private final String msgBusAddresses;
private final String topicName;
/**
*
* @param configuration The config provided to the client
*/
public SdcKafkaProducer(Configuration configuration) {
KafkaCommonConfig kafkaCommonConfig = new KafkaCommonConfig(configuration);
Properties props = kafkaCommonConfig.getProducerProperties();
producer = new KafkaProducer<>(props);
msgBusAddresses = configuration.getMsgBusAddress();
topicName = configuration.getStatusTopicName();
}
/**
*
* @param topicName The name of the topic to publish to
* @param key The key value of the ProducerRecord
* @param value The value of the ProducerRecord
* @return The RecordMetedata of the request
*/
public Future<RecordMetadata> send(String topicName, String key, String value) {
Future<RecordMetadata> data;
try {
data = producer.send(new ProducerRecord<>(topicName, key, value));
} catch (KafkaException e) {
log.error("Failed the send data: exc {}", e.getMessage());
throw e;
}
return data;
}
/**
* Flush accumulated records in producer
*/
public void flush() {
try {
producer.flush();
}
catch (KafkaException e) {
log.error("Failed to send data: exc {}", e.getMessage());
}
}
/**
* @return The list of kafka endpoints
*/
public String getMsgBusAddresses() {
return msgBusAddresses;
}
/**
* @return The topic name being published to
*/
public String getTopicName() {
return topicName;
}
}
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