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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* 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.openecomp.sdc.be.components.kafka;
import com.google.common.annotations.VisibleForTesting;
import java.util.Properties;
import org.apache.kafka.clients.producer.KafkaProducer;
import org.apache.kafka.clients.producer.ProducerRecord;
import org.apache.kafka.common.KafkaException;
import org.openecomp.sdc.be.config.DistributionEngineConfiguration;
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.getName());
private final KafkaProducer<String, String> kafkaProducer;
/**
* Constructor setting up the KafkaProducer from a predefined set of configurations
*/
public SdcKafkaProducer(DistributionEngineConfiguration deConfiguration) {
log.info("Create SdcKafkaProducer via constructor");
KafkaCommonConfig kafkaCommonConfig = new KafkaCommonConfig(deConfiguration);
Properties properties = kafkaCommonConfig.getProducerProperties();
kafkaProducer = new KafkaProducer<>(properties);
}
/**
*
* @param kafkaProducer Setting a KafkaProducer to use within the sdcKafkaProducer class
*/
@VisibleForTesting
SdcKafkaProducer(KafkaProducer kafkaProducer) {
this.kafkaProducer = kafkaProducer;
}
/**
* @param message A message to Send
* @param topicName The name of the topic to publish to
*/
public void send(String message, String topicName) throws KafkaException {
ProducerRecord<String, String> kafkaMessagePayload = new ProducerRecord<>(topicName, "PartitionKey", message);
kafkaProducer.send(kafkaMessagePayload);
}
/**
* Kafka FLush operation
*/
public void flush() throws KafkaException {
log.info("SdcKafkaProducer - flush");
kafkaProducer.flush();
}
}
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