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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2023 Nordix Foundation
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.cps.ncmp.api.impl.async;
import io.cloudevents.CloudEvent;
import io.cloudevents.kafka.impl.KafkaHeaders;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.apache.kafka.clients.consumer.ConsumerRecord;
import org.onap.cps.ncmp.api.impl.events.EventsPublisher;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.kafka.annotation.KafkaListener;
import org.springframework.stereotype.Component;
/**
* Listener for cps-ncmp async data operation events.
*/
@Component
@Slf4j
@RequiredArgsConstructor
@ConditionalOnProperty(name = "notification.enabled", havingValue = "true", matchIfMissing = true)
public class DataOperationEventConsumer {
private final EventsPublisher<CloudEvent> eventsPublisher;
/**
* Consume the DataOperation cloud event published by producer to topic 'async-m2m.topic'
* and publish the same to client specified topic.
*
* @param dataOperationEventConsumerRecord consuming event as a ConsumerRecord.
*/
@KafkaListener(
topics = "${app.ncmp.async-m2m.topic}",
filter = "includeDataOperationEventsOnly",
groupId = "ncmp-data-operation-event-group",
containerFactory = "cloudEventConcurrentKafkaListenerContainerFactory")
public void consumeAndPublish(final ConsumerRecord<String, CloudEvent> dataOperationEventConsumerRecord) {
log.info("Consuming event payload {} ...", dataOperationEventConsumerRecord.value());
final String eventTarget = KafkaHeaders.getParsedKafkaHeader(
dataOperationEventConsumerRecord.headers(), "ce_destination");
final String eventId = KafkaHeaders.getParsedKafkaHeader(
dataOperationEventConsumerRecord.headers(), "ce_id");
eventsPublisher.publishCloudEvent(eventTarget, eventId, dataOperationEventConsumerRecord.value());
}
}
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