cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/event/avc/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.event.avc;
  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.events.avcsubscription.SubscriptionEventResponseMapper;
  30 import org.onap.cps.ncmp.api.impl.events.avcsubscription.SubscriptionEventResponseOutcome;
  31 import org.onap.cps.ncmp.api.impl.subscriptions.SubscriptionPersistence;
  32 import org.onap.cps.ncmp.api.impl.yangmodels.YangModelSubscriptionEvent;
  33 import org.onap.cps.ncmp.api.models.SubscriptionEventResponse;
  34 import org.springframework.beans.factory.annotation.Value;
  35 import org.springframework.kafka.annotation.KafkaListener;
  36 import org.springframework.stereotype.Component;
  37
  38 @Component
  39 @Slf4j
  40 @RequiredArgsConstructor
  41 public class SubscriptionEventResponseConsumer {
  42
  43     private final IMap<String, Set<String>> forwardedSubscriptionEventCache;
  44     private final SubscriptionPersistence subscriptionPersistence;
  45     private final SubscriptionEventResponseMapper subscriptionEventResponseMapper;
  46     private final SubscriptionEventResponseOutcome subscriptionEventResponseOutcome;
  47
  48     @Value("${notification.enabled:true}")
  49     private boolean notificationFeatureEnabled;
  50
  51     @Value("${ncmp.model-loader.subscription:false}")
  52     private boolean subscriptionModelLoaderEnabled;
  53
  54     /**
  55      * Consume subscription response event.
  56      *
  57      * @param subscriptionEventResponseConsumerRecord the event to be consumed
  58      */
  59     @KafkaListener(topics = "${app.ncmp.avc.subscription-response-topic}",
  60         properties = {"spring.json.value.default.type=org.onap.cps.ncmp.api.models.SubscriptionEventResponse"})
  61     public void consumeSubscriptionEventResponse(
  62             final ConsumerRecord<String, SubscriptionEventResponse> subscriptionEventResponseConsumerRecord) {
  63         final SubscriptionEventResponse subscriptionEventResponse = subscriptionEventResponseConsumerRecord.value();
  64         final String clientId = subscriptionEventResponse.getClientId();
  65         log.info("subscription event response of clientId: {} is received.", clientId);
  66         final String subscriptionName = subscriptionEventResponse.getSubscriptionName();
  67         final String subscriptionEventId = clientId + subscriptionName;
  68         boolean isFullOutcomeResponse = false;
  69         if (forwardedSubscriptionEventCache.containsKey(subscriptionEventId)) {
  70             final Set<String> dmiNames = forwardedSubscriptionEventCache.get(subscriptionEventId);
  71
  72             dmiNames.remove(subscriptionEventResponse.getDmiName());
  73             forwardedSubscriptionEventCache.put(subscriptionEventId, dmiNames,
  74                     ForwardedSubscriptionEventCacheConfig.SUBSCRIPTION_FORWARD_STARTED_TTL_SECS, TimeUnit.SECONDS);
  75             isFullOutcomeResponse = forwardedSubscriptionEventCache.get(subscriptionEventId).isEmpty();
  76
  77             if (isFullOutcomeResponse) {
  78                 forwardedSubscriptionEventCache.remove(subscriptionEventId);
  79             }
  80         }
  81         if (subscriptionModelLoaderEnabled) {
  82             updateSubscriptionEvent(subscriptionEventResponse);
  83         }
  84         if (isFullOutcomeResponse && notificationFeatureEnabled) {
  85             subscriptionEventResponseOutcome.sendResponse(clientId, subscriptionName,
  86                     isFullOutcomeResponse);
  87         }
  88     }
  89
  90     private void updateSubscriptionEvent(final SubscriptionEventResponse subscriptionEventResponse) {
  91         final YangModelSubscriptionEvent yangModelSubscriptionEvent =
  92                 subscriptionEventResponseMapper
  93                         .toYangModelSubscriptionEvent(subscriptionEventResponse);
  94         subscriptionPersistence.saveSubscriptionEvent(yangModelSubscriptionEvent);
  95     }
  96 }