cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/service/CmNotificationSubscriptionHandlerServiceImpl.java

   1 /*
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2024 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.cmsubscription.service;
  22
  23 import java.util.ArrayList;
  24 import java.util.List;
  25 import java.util.Set;
  26 import java.util.stream.Collectors;
  27 import lombok.RequiredArgsConstructor;
  28 import org.onap.cps.ncmp.api.impl.events.cmsubscription.CmNotificationSubscriptionNcmpOutEventProducer;
  29 import org.onap.cps.ncmp.api.impl.events.cmsubscription.DmiCmNotificationSubscriptionCacheHandler;
  30 import org.onap.cps.ncmp.api.impl.events.cmsubscription.mapper.CmNotificationSubscriptionNcmpOutEventMapper;
  31 import org.onap.cps.ncmp.events.cmnotificationsubscription_merge1_0_0.client_to_ncmp.CmNotificationSubscriptionNcmpInEvent;
  32 import org.onap.cps.ncmp.events.cmnotificationsubscription_merge1_0_0.client_to_ncmp.Predicate;
  33 import org.onap.cps.ncmp.events.cmsubscription_merge1_0_0.ncmp_to_client.CmNotificationSubscriptionNcmpOutEvent;
  34 import org.springframework.stereotype.Service;
  35
  36 @Service
  37 @RequiredArgsConstructor
  38 public class CmNotificationSubscriptionHandlerServiceImpl implements CmNotificationSubscriptionHandlerService {
  39
  40     private final CmNotificationSubscriptionPersistenceService cmNotificationSubscriptionPersistenceService;
  41     private final CmNotificationSubscriptionNcmpOutEventMapper cmNotificationSubscriptionNcmpOutEventMapper;
  42     private final CmNotificationSubscriptionNcmpOutEventProducer cmNotificationSubscriptionNcmpOutEventProducer;
  43     private final DmiCmNotificationSubscriptionCacheHandler dmiCmNotificationSubscriptionCacheHandler;
  44
  45     @Override
  46     public void processSubscriptionCreateRequest(
  47         final CmNotificationSubscriptionNcmpInEvent cmNotificationSubscriptionNcmpInEvent) {
  48         final String subscriptionId = cmNotificationSubscriptionNcmpInEvent.getData().getSubscriptionId();
  49         final List<Predicate> predicates = cmNotificationSubscriptionNcmpInEvent.getData().getPredicates();
  50
  51         if (cmNotificationSubscriptionPersistenceService.isUniqueSubscriptionId(subscriptionId)) {
  52             dmiCmNotificationSubscriptionCacheHandler.add(subscriptionId, predicates);
  53         } else {
  54             final Set<String> subscriptionTargetFilters = predicates.stream().flatMap(
  55                 predicate -> predicate.getTargetFilter().stream()).collect(Collectors.toSet());
  56             rejectAndPublishCmNotificationSubscriptionCreateRequest(subscriptionId,
  57                     new ArrayList<>(subscriptionTargetFilters));
  58         }
  59     }
  60
  61     private void rejectAndPublishCmNotificationSubscriptionCreateRequest(final String subscriptionId,
  62                                                                          final List<String> subscriptionTargetFilters) {
  63         final CmNotificationSubscriptionNcmpOutEvent cmNotificationSubscriptionNcmpOutEvent =
  64             cmNotificationSubscriptionNcmpOutEventMapper
  65                 .toCmNotificationSubscriptionNcmpOutEventForRejectedRequest(subscriptionId,
  66                     subscriptionTargetFilters);
  67         cmNotificationSubscriptionNcmpOutEventProducer.publishCmNotificationSubscriptionNcmpOutEvent(subscriptionId,
  68             "subscriptionCreateResponse", cmNotificationSubscriptionNcmpOutEvent, false);
  69     }
  70 }