cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/avcsubscription/SubscriptionEventResponseConsumer.java

   1 /*
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2023 Nordix Foundation
   4  *  ================================================================================
   5  *  Licensed under the Apache License, Version 2.0 (the "License");
   6  *  you may not use this file except in compliance with the License.
   7  *  You may obtain a copy of the License at
   8  *
   9  *        http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  *  Unless required by applicable law or agreed to in writing, software
  12  *  distributed under the License is distributed on an "AS IS" BASIS,
  13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  *  See the License for the specific language governing permissions and
  15  *  limitations under the License.
  16  *
  17  *  SPDX-License-Identifier: Apache-2.0
  18  *  ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.cps.ncmp.api.impl.events.avcsubscription;
  22
  23 import com.hazelcast.map.IMap;
  24 import java.util.Set;
  25 import java.util.concurrent.TimeUnit;
  26 import lombok.RequiredArgsConstructor;
  27 import lombok.extern.slf4j.Slf4j;
  28 import org.apache.kafka.clients.consumer.ConsumerRecord;
  29 import org.onap.cps.ncmp.api.impl.config.embeddedcache.ForwardedSubscriptionEventCacheConfig;
  30 import org.onap.cps.ncmp.api.impl.subscriptions.SubscriptionPersistence;
  31 import org.onap.cps.ncmp.api.impl.yangmodels.YangModelSubscriptionEvent;
  32 import org.onap.cps.ncmp.api.models.SubscriptionEventResponse;
  33 import org.springframework.beans.factory.annotation.Value;
  34 import org.springframework.kafka.annotation.KafkaListener;
  35 import org.springframework.stereotype.Component;
  36
  37 @Component
  38 @Slf4j
  39 @RequiredArgsConstructor
  40 public class SubscriptionEventResponseConsumer {
  41
  42     private final IMap<String, Set<String>> forwardedSubscriptionEventCache;
  43     private final SubscriptionPersistence subscriptionPersistence;
  44     private final SubscriptionEventResponseMapper subscriptionEventResponseMapper;
  45     private final SubscriptionEventResponseOutcome subscriptionEventResponseOutcome;
  46
  47     @Value("${notification.enabled:true}")
  48     private boolean notificationFeatureEnabled;
  49
  50     @Value("${ncmp.model-loader.subscription:false}")
  51     private boolean subscriptionModelLoaderEnabled;
  52
  53     /**
  54      * Consume subscription response event.
  55      *
  56      * @param subscriptionEventResponseConsumerRecord the event to be consumed
  57      */
  58     @KafkaListener(topics = "${app.ncmp.avc.subscription-response-topic}",
  59         properties = {"spring.json.value.default.type=org.onap.cps.ncmp.api.models.SubscriptionEventResponse"})
  60     public void consumeSubscriptionEventResponse(
  61             final ConsumerRecord<String, SubscriptionEventResponse> subscriptionEventResponseConsumerRecord) {
  62         final SubscriptionEventResponse subscriptionEventResponse = subscriptionEventResponseConsumerRecord.value();
  63         final String clientId = subscriptionEventResponse.getClientId();
  64         log.info("subscription event response of clientId: {} is received.", clientId);
  65         final String subscriptionName = subscriptionEventResponse.getSubscriptionName();
  66         final String subscriptionEventId = clientId + subscriptionName;
  67         boolean isFullOutcomeResponse = false;
  68         if (forwardedSubscriptionEventCache.containsKey(subscriptionEventId)) {
  69             final Set<String> dmiNames = forwardedSubscriptionEventCache.get(subscriptionEventId);
  70
  71             dmiNames.remove(subscriptionEventResponse.getDmiName());
  72             forwardedSubscriptionEventCache.put(subscriptionEventId, dmiNames,
  73                     ForwardedSubscriptionEventCacheConfig.SUBSCRIPTION_FORWARD_STARTED_TTL_SECS, TimeUnit.SECONDS);
  74             isFullOutcomeResponse = forwardedSubscriptionEventCache.get(subscriptionEventId).isEmpty();
  75
  76             if (isFullOutcomeResponse) {
  77                 forwardedSubscriptionEventCache.remove(subscriptionEventId);
  78             }
  79         }
  80         if (subscriptionModelLoaderEnabled) {
  81             updateSubscriptionEvent(subscriptionEventResponse);
  82         }
  83         if (isFullOutcomeResponse && notificationFeatureEnabled) {
  84             subscriptionEventResponseOutcome.sendResponse(clientId, subscriptionName,
  85                     isFullOutcomeResponse);
  86         }
  87     }
  88
  89     private void updateSubscriptionEvent(final SubscriptionEventResponse subscriptionEventResponse) {
  90         final YangModelSubscriptionEvent yangModelSubscriptionEvent =
  91                 subscriptionEventResponseMapper
  92                         .toYangModelSubscriptionEvent(subscriptionEventResponse);
  93         subscriptionPersistence.saveSubscriptionEvent(yangModelSubscriptionEvent);
  94     }
  95 }