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

   1 /*
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2022-2023 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 io.cloudevents.CloudEvent;
  24 import lombok.RequiredArgsConstructor;
  25 import lombok.extern.slf4j.Slf4j;
  26 import org.apache.kafka.clients.consumer.ConsumerRecord;
  27 import org.onap.cps.ncmp.api.impl.subscriptions.SubscriptionPersistence;
  28 import org.onap.cps.ncmp.api.impl.utils.SubscriptionEventCloudMapper;
  29 import org.onap.cps.ncmp.api.impl.yangmodels.YangModelSubscriptionEvent;
  30 import org.onap.cps.ncmp.events.avcsubscription1_0_0.client_to_ncmp.SubscriptionEvent;
  31 import org.springframework.beans.factory.annotation.Value;
  32 import org.springframework.kafka.annotation.KafkaListener;
  33 import org.springframework.stereotype.Component;
  34
  35
  36 @Component
  37 @Slf4j
  38 @RequiredArgsConstructor
  39 public class SubscriptionEventConsumer {
  40
  41     private final SubscriptionEventForwarder subscriptionEventForwarder;
  42     private final SubscriptionEventMapper subscriptionEventMapper;
  43     private final SubscriptionPersistence subscriptionPersistence;
  44
  45     @Value("${notification.enabled:true}")
  46     private boolean notificationFeatureEnabled;
  47
  48     @Value("${ncmp.model-loader.subscription:false}")
  49     private boolean subscriptionModelLoaderEnabled;
  50
  51     /**
  52      * Consume the specified event.
  53      *
  54      * @param subscriptionEventConsumerRecord the event to be consumed
  55      */
  56     @KafkaListener(topics = "${app.ncmp.avc.subscription-topic}",
  57             containerFactory = "cloudEventConcurrentKafkaListenerContainerFactory")
  58     public void consumeSubscriptionEvent(final ConsumerRecord<String, CloudEvent> subscriptionEventConsumerRecord) {
  59         final CloudEvent cloudEvent = subscriptionEventConsumerRecord.value();
  60         final String eventType = subscriptionEventConsumerRecord.value().getType();
  61         final SubscriptionEvent subscriptionEvent = SubscriptionEventCloudMapper.toSubscriptionEvent(cloudEvent);
  62         final String eventDatastore = subscriptionEvent.getData().getPredicates().getDatastore();
  63         if (!(eventDatastore.equals("passthrough-running") || eventDatastore.equals("passthrough-operational"))) {
  64             throw new UnsupportedOperationException(
  65                 "passthrough datastores are currently only supported for event subscriptions");
  66         }
  67         if ("CM".equals(subscriptionEvent.getData().getDataType().getDataCategory())) {
  68             if (subscriptionModelLoaderEnabled) {
  69                 persistSubscriptionEvent(subscriptionEvent);
  70             }
  71             if ("subscriptionCreated".equals(cloudEvent.getType())) {
  72                 log.info("Subscription for ClientID {} with name {} ...",
  73                         subscriptionEvent.getData().getSubscription().getClientID(),
  74                         subscriptionEvent.getData().getSubscription().getName());
  75                 if (notificationFeatureEnabled) {
  76                     subscriptionEventForwarder.forwardCreateSubscriptionEvent(subscriptionEvent, eventType);
  77                 }
  78             }
  79         } else {
  80             log.trace("Non-CM subscription event ignored");
  81         }
  82     }
  83
  84     private void persistSubscriptionEvent(final SubscriptionEvent subscriptionEvent) {
  85         final YangModelSubscriptionEvent yangModelSubscriptionEvent =
  86             subscriptionEventMapper.toYangModelSubscriptionEvent(subscriptionEvent);
  87         subscriptionPersistence.saveSubscriptionEvent(yangModelSubscriptionEvent);
  88     }
  89
  90 }