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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.events.cmsubscription;
import static org.onap.cps.ncmp.api.impl.events.mapper.CloudEventMapper.toTargetEvent;
import com.hazelcast.map.IMap;
import io.cloudevents.CloudEvent;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.apache.kafka.clients.consumer.ConsumerRecord;
import org.onap.cps.ncmp.api.impl.config.embeddedcache.ForwardedSubscriptionEventCacheConfig;
import org.onap.cps.ncmp.api.impl.subscriptions.SubscriptionPersistence;
import org.onap.cps.ncmp.api.impl.yangmodels.YangModelSubscriptionEvent;
import org.onap.cps.ncmp.api.models.CmSubscriptionEvent;
import org.onap.cps.ncmp.events.cmsubscription1_0_0.dmi_to_ncmp.CmSubscriptionDmiOutEvent;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.kafka.annotation.KafkaListener;
import org.springframework.stereotype.Component;
@Component
@Slf4j
@RequiredArgsConstructor
public class CmSubscriptionDmiOutEventConsumer {
private final IMap<String, Set<String>> forwardedSubscriptionEventCache;
private final SubscriptionPersistence subscriptionPersistence;
private final CmSubscriptionDmiOutEventToYangModelSubscriptionEventMapper
cmSubscriptionDmiOutEventToYangModelSubscriptionEventMapper;
private final CmSubscriptionNcmpOutEventPublisher cmSubscriptionNcmpOutEventPublisher;
@Value("${notification.enabled:true}")
private boolean notificationFeatureEnabled;
@Value("${ncmp.model-loader.subscription:false}")
private boolean subscriptionModelLoaderEnabled;
/**
* Consume subscription response event.
*
* @param cmSubscriptionDmiOutConsumerRecord the event to be consumed
*/
@KafkaListener(topics = "${app.ncmp.avc.subscription-response-topic}",
containerFactory = "cloudEventConcurrentKafkaListenerContainerFactory")
public void consumeDmiOutEvent(
final ConsumerRecord<String, CloudEvent> cmSubscriptionDmiOutConsumerRecord) {
final CloudEvent cloudEvent = cmSubscriptionDmiOutConsumerRecord.value();
final String eventType = cmSubscriptionDmiOutConsumerRecord.value().getType();
final CmSubscriptionDmiOutEvent cmSubscriptionDmiOutEvent =
toTargetEvent(cloudEvent, CmSubscriptionDmiOutEvent.class);
final String clientId = cmSubscriptionDmiOutEvent.getData().getClientId();
log.info("subscription event response of clientId: {} is received.", clientId);
final String subscriptionName = cmSubscriptionDmiOutEvent.getData().getSubscriptionName();
final String subscriptionEventId = clientId + subscriptionName;
boolean createOutcomeResponse = true;
if (forwardedSubscriptionEventCache.containsKey(subscriptionEventId)) {
final Set<String> dmiNames = forwardedSubscriptionEventCache.get(subscriptionEventId);
dmiNames.remove(cmSubscriptionDmiOutEvent.getData().getDmiName());
forwardedSubscriptionEventCache.put(subscriptionEventId, dmiNames,
ForwardedSubscriptionEventCacheConfig.SUBSCRIPTION_FORWARD_STARTED_TTL_SECS, TimeUnit.SECONDS);
createOutcomeResponse = forwardedSubscriptionEventCache.get(subscriptionEventId).isEmpty();
}
if (subscriptionModelLoaderEnabled) {
updateSubscriptionEvent(cmSubscriptionDmiOutEvent);
}
if (createOutcomeResponse
&& notificationFeatureEnabled) {
final CmSubscriptionEvent cmSubscriptionEvent = new CmSubscriptionEvent();
cmSubscriptionEvent.setClientId(cmSubscriptionDmiOutEvent.getData().getClientId());
cmSubscriptionEvent.setSubscriptionName(cmSubscriptionDmiOutEvent.getData().getSubscriptionName());
cmSubscriptionNcmpOutEventPublisher.sendResponse(cmSubscriptionEvent, eventType);
forwardedSubscriptionEventCache.remove(subscriptionEventId);
}
}
private void updateSubscriptionEvent(final CmSubscriptionDmiOutEvent cmSubscriptionDmiOutEvent) {
final YangModelSubscriptionEvent yangModelSubscriptionEvent =
cmSubscriptionDmiOutEventToYangModelSubscriptionEventMapper
.toYangModelSubscriptionEvent(cmSubscriptionDmiOutEvent);
subscriptionPersistence.saveSubscriptionEvent(yangModelSubscriptionEvent);
}
}
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