cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/event/avc/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.event.avc;
  22
  23 import lombok.RequiredArgsConstructor;
  24 import lombok.extern.slf4j.Slf4j;
  25 import org.onap.cps.ncmp.api.impl.subscriptions.SubscriptionPersistence;
  26 import org.onap.cps.ncmp.api.impl.yangmodels.YangModelSubscriptionEvent;
  27 import org.onap.cps.ncmp.event.model.InnerSubscriptionEvent;
  28 import org.onap.cps.ncmp.event.model.SubscriptionEvent;
  29 import org.onap.cps.spi.exceptions.OperationNotYetSupportedException;
  30 import org.springframework.beans.factory.annotation.Value;
  31 import org.springframework.kafka.annotation.KafkaListener;
  32 import org.springframework.stereotype.Component;
  33
  34
  35 @Component
  36 @Slf4j
  37 @RequiredArgsConstructor
  38 public class SubscriptionEventConsumer {
  39
  40     private final SubscriptionEventForwarder subscriptionEventForwarder;
  41     private final SubscriptionEventMapper subscriptionEventMapper;
  42     private final SubscriptionPersistence subscriptionPersistence;
  43
  44     @Value("${notification.enabled:true}")
  45     private boolean notificationFeatureEnabled;
  46
  47     @Value("${ncmp.model-loader.subscription:false}")
  48     private boolean subscriptionModelLoaderEnabled;
  49
  50     /**
  51      * Consume the specified event.
  52      *
  53      * @param subscriptionEvent the event to be consumed
  54      */
  55     @KafkaListener(topics = "${app.ncmp.avc.subscription-topic}",
  56             properties = {"spring.json.value.default.type=org.onap.cps.ncmp.event.model.SubscriptionEvent"})
  57     public void consumeSubscriptionEvent(final SubscriptionEvent subscriptionEvent) {
  58         final InnerSubscriptionEvent event = subscriptionEvent.getEvent();
  59         final String eventDatastore = event.getPredicates().getDatastore();
  60         if (!(eventDatastore.equals("passthrough-running") || eventDatastore.equals("passthrough-operational"))) {
  61             throw new OperationNotYetSupportedException(
  62                 "passthrough datastores are currently only supported for event subscriptions");
  63         }
  64         if ("CM".equals(event.getDataType().getDataCategory())) {
  65             log.debug("Consuming event {} ...", subscriptionEvent);
  66             if (subscriptionModelLoaderEnabled) {
  67                 persistSubscriptionEvent(subscriptionEvent);
  68             }
  69             if ("CREATE".equals(subscriptionEvent.getEventType().value())) {
  70                 log.info("Subscription for ClientID {} with name {} ...",
  71                         event.getSubscription().getClientID(),
  72                         event.getSubscription().getName());
  73                 if (notificationFeatureEnabled) {
  74                     subscriptionEventForwarder.forwardCreateSubscriptionEvent(subscriptionEvent);
  75                 }
  76             }
  77         } else {
  78             log.trace("Non-CM subscription event ignored");
  79         }
  80     }
  81
  82     private void persistSubscriptionEvent(final SubscriptionEvent subscriptionEvent) {
  83         final YangModelSubscriptionEvent yangModelSubscriptionEvent =
  84             subscriptionEventMapper.toYangModelSubscriptionEvent(subscriptionEvent);
  85         subscriptionPersistence.saveSubscriptionEvent(yangModelSubscriptionEvent);
  86     }
  87
  88 }