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/*
* ============LICENSE_START=======================================================
* PNF-REGISTRATION-HANDLER
* ================================================================================
* Copyright (C) 2023 Deutsche Telekom Intellectual Property. 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.dcaegen2.services.prh.tasks.commit;
import org.apache.kafka.clients.consumer.ConsumerRecord;
import org.onap.dcaegen2.services.prh.adapter.aai.api.ConsumerDmaapModel;
import org.onap.dcaegen2.services.prh.service.DmaapConsumerJsonParser;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.configurationprocessor.json.JSONException;
import org.springframework.context.annotation.Profile;
import org.springframework.kafka.annotation.KafkaListener;
import org.springframework.kafka.listener.BatchAcknowledgingMessageListener;
import org.springframework.kafka.support.Acknowledgment;
import org.springframework.stereotype.Component;
import reactor.core.publisher.Flux;
import java.util.ArrayList;
import java.util.List;
/**
* @author <a href="mailto:ajinkya-patil@t-systems.com">Ajinkya Patil</a> on 3/13/23
*/
@Profile("autoCommitDisabled")
@Component
public class KafkaConsumerTaskImpl implements KafkaConsumerTask, BatchAcknowledgingMessageListener<String, String> {
private static final Logger LOGGER = LoggerFactory.getLogger(KafkaConsumerTaskImpl.class);
@Autowired
private DmaapConsumerJsonParser dmaapConsumerJsonParser;
@Autowired
private EpochDateTimeConversion epochDateTimeConversion;
private List<String> jsonEvent = new ArrayList<>();
private Acknowledgment offset;
String kafkaTopic = System.getenv("kafkaTopic");
String groupIdConfig = System.getenv("groupIdConfig");
@Override
@KafkaListener(topics = "${kafkaTopic}", groupId = "${groupIdConfig}")
public void onMessage(List<ConsumerRecord<String, String>> list, Acknowledgment acknowledgment) {
if (list != null && !list.isEmpty()) {
list.stream().filter(consumerRecord -> consumerRecord.timestamp() >= epochDateTimeConversion.getStartDateOfTheDay() && consumerRecord.timestamp() <= epochDateTimeConversion.getEndDateOfTheDay())
.map(ConsumerRecord::value)
.forEach(value -> {
jsonEvent.add(value);
});
}
offset = acknowledgment;
}
@Override
public Flux<ConsumerDmaapModel> execute() throws JSONException {
return dmaapConsumerJsonParser.getConsumerDmaapModelFromKafkaConsumerRecord(jsonEvent);
}
@Override
public void commitOffset() {
if(!jsonEvent.isEmpty()){
jsonEvent.clear();
}
if(offset != null){
offset.acknowledge();
}
}
}
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