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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.configuration.CbsConfigurationForAutoCommitDisabledMode;
import org.onap.dcaegen2.services.prh.service.DmaapConsumerJsonParser;
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 DmaapConsumerJsonParser dmaapConsumerJsonParser;
private EpochDateTimeConversion epochDateTimeConversion;
private CbsConfigurationForAutoCommitDisabledMode cbsConfigurationForAutoCommitDisabledMode;
private List<String> jsonEvent = new ArrayList<>();
public List<String> getJsonEvent() {
return jsonEvent;
}
private Acknowledgment offset;
public Acknowledgment getOffset() {
return offset;
}
static String commonInURL = "/events/";
String kafkaTopic;
String groupIdConfig;
public KafkaConsumerTaskImpl(CbsConfigurationForAutoCommitDisabledMode cbsConfigurationForAutoCommitDisabledMode
,DmaapConsumerJsonParser dmaapConsumerJsonParser,EpochDateTimeConversion epochDateTimeConversion) {
this.cbsConfigurationForAutoCommitDisabledMode = cbsConfigurationForAutoCommitDisabledMode;
this.dmaapConsumerJsonParser = dmaapConsumerJsonParser;
this.epochDateTimeConversion = epochDateTimeConversion;
String kafkaTopicURL = this.cbsConfigurationForAutoCommitDisabledMode.getMessageRouterSubscribeRequest()
.sourceDefinition().topicUrl();
kafkaTopic = getTopicFromTopicUrl(kafkaTopicURL);
groupIdConfig = cbsConfigurationForAutoCommitDisabledMode.getMessageRouterSubscribeRequest().consumerGroup();
System.setProperty("kafkaTopic", kafkaTopic);
System.setProperty("groupIdConfig", 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);
}
public void setJsonEvent(List<String> jsonEvent) {
this.jsonEvent = jsonEvent;
}
@Override
public void commitOffset() {
if (!jsonEvent.isEmpty()) {
jsonEvent.clear();
}
if (offset != null) {
offset.acknowledge();
}
}
public String getTopicFromTopicUrl(String topicUrl) {
if (topicUrl.endsWith("/")) {
return topicUrl.substring(topicUrl.indexOf(commonInURL) + commonInURL.length(), topicUrl.lastIndexOf("/"));
}
return topicUrl.substring(topicUrl.indexOf(commonInURL) + commonInURL.length());
}
}
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