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 lombok.RequiredArgsConstructor;
  24 import lombok.extern.slf4j.Slf4j;
  25 import org.apache.kafka.clients.consumer.ConsumerRecord;
  26 import org.onap.cps.ncmp.api.impl.subscriptions.SubscriptionPersistence;
  27 import org.onap.cps.ncmp.api.impl.yangmodels.YangModelSubscriptionEvent;
  28 import org.onap.cps.ncmp.event.model.InnerSubscriptionEvent;
  29 import org.onap.cps.ncmp.event.model.SubscriptionEvent;
  30 import org.onap.cps.spi.exceptions.OperationNotYetSupportedException;
  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             properties = {"spring.json.value.default.type=org.onap.cps.ncmp.event.model.SubscriptionEvent"})
  58     public void consumeSubscriptionEvent(
  59             final ConsumerRecord<String, SubscriptionEvent> subscriptionEventConsumerRecord) {
  60         final SubscriptionEvent subscriptionEvent = subscriptionEventConsumerRecord.value();
  61         final InnerSubscriptionEvent event = subscriptionEvent.getEvent();
  62         final String eventDatastore = event.getPredicates().getDatastore();
  63         if (!(eventDatastore.equals("passthrough-running") || eventDatastore.equals("passthrough-operational"))) {
  64             throw new OperationNotYetSupportedException(
  65                 "passthrough datastores are currently only supported for event subscriptions");
  66         }
  67         if ("CM".equals(event.getDataType().getDataCategory())) {
  68             log.debug("Consuming event {} ...", subscriptionEvent);
  69             if (subscriptionModelLoaderEnabled) {
  70                 persistSubscriptionEvent(subscriptionEvent);
  71             }
  72             if ("CREATE".equals(subscriptionEvent.getEventType().value())) {
  73                 log.info("Subscription for ClientID {} with name {} ...",
  74                         event.getSubscription().getClientID(),
  75                         event.getSubscription().getName());
  76                 if (notificationFeatureEnabled) {
  77                     subscriptionEventForwarder.forwardCreateSubscriptionEvent(subscriptionEvent,
  78                             subscriptionEventConsumerRecord.headers());
  79                 }
  80             }
  81         } else {
  82             log.trace("Non-CM subscription event ignored");
  83         }
  84     }
  85
  86     private void persistSubscriptionEvent(final SubscriptionEvent subscriptionEvent) {
  87         final YangModelSubscriptionEvent yangModelSubscriptionEvent =
  88             subscriptionEventMapper.toYangModelSubscriptionEvent(subscriptionEvent);
  89         subscriptionPersistence.saveSubscriptionEvent(yangModelSubscriptionEvent);
  90     }
  91
  92 }