plans/usecases/pnf-sw-upgrade/so/simulator/aai-simulator/src/main/java/org/onap/so/aaisimulator/service/providers/ExternalSystemCacheServiceProviderImpl.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2019 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 package org.onap.so.aaisimulator.service.providers;
  21
  22 import static org.onap.so.aaisimulator.utils.CacheName.ESR_VNFM_CACHE;
  23 import static org.onap.so.aaisimulator.utils.Constants.DEPENDS_ON;
  24 import static org.onap.so.aaisimulator.utils.Constants.ESR_VNFM;
  25 import static org.onap.so.aaisimulator.utils.Constants.ESR_VNFM_VNFM_ID;
  26 import static org.onap.so.aaisimulator.utils.HttpServiceUtils.getRelationShipListRelatedLink;
  27 import static org.onap.so.aaisimulator.utils.HttpServiceUtils.getTargetUrl;
  28 import java.util.ArrayList;
  29 import java.util.Collections;
  30 import java.util.List;
  31 import java.util.Optional;
  32 import java.util.concurrent.ConcurrentHashMap;
  33 import org.onap.aai.domain.yang.EsrSystemInfo;
  34 import org.onap.aai.domain.yang.EsrSystemInfoList;
  35 import org.onap.aai.domain.yang.EsrVnfm;
  36 import org.onap.aai.domain.yang.Relationship;
  37 import org.onap.aai.domain.yang.RelationshipData;
  38 import org.onap.aai.domain.yang.RelationshipList;
  39 import org.onap.so.simulator.cache.provider.AbstractCacheServiceProvider;
  40 import org.slf4j.Logger;
  41 import org.slf4j.LoggerFactory;
  42 import org.springframework.beans.factory.annotation.Autowired;
  43 import org.springframework.cache.Cache;
  44 import org.springframework.cache.CacheManager;
  45 import org.springframework.http.HttpHeaders;
  46 import org.springframework.stereotype.Service;
  47
  48 /**
  49  * @author Waqas Ikram (waqas.ikram@est.tech)
  50  *
  51  */
  52 @Service
  53 public class ExternalSystemCacheServiceProviderImpl extends AbstractCacheServiceProvider
  54         implements ExternalSystemCacheServiceProvider {
  55
  56     private static final Logger LOGGER = LoggerFactory.getLogger(ExternalSystemCacheServiceProviderImpl.class);
  57
  58     private final HttpRestServiceProvider httpRestServiceProvider;
  59
  60     @Autowired
  61     public ExternalSystemCacheServiceProviderImpl(final CacheManager cacheManager,
  62             final HttpRestServiceProvider httpRestServiceProvider) {
  63         super(cacheManager);
  64         this.httpRestServiceProvider = httpRestServiceProvider;
  65
  66     }
  67
  68     @Override
  69     public void putEsrVnfm(final String vnfmId, final EsrVnfm esrVnfm) {
  70         LOGGER.info("Adding esrVnfm: {} with name to cache", esrVnfm);
  71         final Cache cache = getCache(ESR_VNFM_CACHE.getName());
  72         cache.put(vnfmId, esrVnfm);
  73     }
  74
  75     @Override
  76     public Optional<EsrVnfm> getEsrVnfm(final String vnfmId) {
  77         LOGGER.info("getting EsrVnfm from cache using key: {}", vnfmId);
  78         final Cache cache = getCache(ESR_VNFM_CACHE.getName());
  79         final EsrVnfm value = cache.get(vnfmId, EsrVnfm.class);
  80         if (value != null) {
  81             return Optional.of(value);
  82         }
  83         LOGGER.error("Unable to find EsrVnfm in cache using vnfmId: {} ", vnfmId);
  84         return Optional.empty();
  85     }
  86
  87     @Override
  88     public List<EsrVnfm> getAllEsrVnfm() {
  89         final Cache cache = getCache(ESR_VNFM_CACHE.getName());
  90         if (cache != null) {
  91             final Object nativeCache = cache.getNativeCache();
  92             if (nativeCache instanceof ConcurrentHashMap) {
  93                 @SuppressWarnings("unchecked")
  94                 final ConcurrentHashMap<Object, Object> concurrentHashMap =
  95                         (ConcurrentHashMap<Object, Object>) nativeCache;
  96                 final List<EsrVnfm> result = new ArrayList<>();
  97                 concurrentHashMap.keySet().stream().forEach(key -> {
  98                     final Optional<EsrVnfm> optional = getEsrVnfm(key.toString());
  99                     if (optional.isPresent()) {
 100                         result.add(optional.get());
 101                     }
 102                 });
 103                 return result;
 104             }
 105         }
 106         LOGGER.error("Unable to get all esr vnfms ... ");
 107         return Collections.emptyList();
 108
 109     }
 110
 111     @Override
 112     public Optional<EsrSystemInfoList> getEsrSystemInfoList(final String vnfmId) {
 113         final Optional<EsrVnfm> optional = getEsrVnfm(vnfmId);
 114         if (optional.isPresent()) {
 115             final EsrVnfm esrVnfm = optional.get();
 116             if (esrVnfm.getEsrSystemInfoList() != null) {
 117                 return Optional.of(esrVnfm.getEsrSystemInfoList());
 118             }
 119             LOGGER.error("EsrSystemInfoList is null for vnfmId: {} ", vnfmId);
 120         }
 121         LOGGER.error("Unable to find EsrVnfm in cache using vnfmId: {} ", vnfmId);
 122         return Optional.empty();
 123     }
 124
 125     @Override
 126     public boolean putEsrSystemInfo(final String vnfmId, final String esrSystemInfoId,
 127             final EsrSystemInfo esrSystemInfo) {
 128         final Optional<EsrVnfm> optional = getEsrVnfm(vnfmId);
 129         if (optional.isPresent()) {
 130             final EsrVnfm esrVnfm = optional.get();
 131             final List<EsrSystemInfo> esrSystemInfoList = getEsrSystemInfoList(esrVnfm);
 132
 133             final Optional<EsrSystemInfo> existingEsrSystemInfo =
 134                     esrSystemInfoList.stream().filter(existing -> existing.getEsrSystemInfoId() != null
 135                             && existing.getEsrSystemInfoId().equals(esrSystemInfoId)).findFirst();
 136             if (existingEsrSystemInfo.isPresent()) {
 137                 LOGGER.error("EsrSystemInfo already exists {}", existingEsrSystemInfo.get());
 138                 return false;
 139             }
 140
 141             return esrSystemInfoList.add(esrSystemInfo);
 142         }
 143         LOGGER.error("Unable to add EsrSystemInfo in cache for vnfmId: {} ", vnfmId);
 144         return false;
 145     }
 146
 147     @Override
 148     public boolean addRelationShip(final HttpHeaders incomingHeader, final String targetBaseUrl,
 149             final String requestUriString, final String vnfmId, final Relationship relationship) {
 150         try {
 151             final Optional<EsrVnfm> optional = getEsrVnfm(vnfmId);
 152             if (optional.isPresent()) {
 153                 final EsrVnfm esrVnfm = optional.get();
 154                 final String targetUrl = getTargetUrl(targetBaseUrl, relationship.getRelatedLink());
 155                 final Relationship outGoingRelationShip =
 156                         getRelationship(getRelationShipListRelatedLink(requestUriString), esrVnfm);
 157                 final Optional<Relationship> optionalRelationship = httpRestServiceProvider.put(incomingHeader,
 158                         outGoingRelationShip, targetUrl, Relationship.class);
 159                 if (optionalRelationship.isPresent()) {
 160                     final Relationship resultantRelationship = optionalRelationship.get();
 161
 162                     RelationshipList relationshipList = esrVnfm.getRelationshipList();
 163                     if (relationshipList == null) {
 164                         relationshipList = new RelationshipList();
 165                         esrVnfm.setRelationshipList(relationshipList);
 166                     }
 167                     if (relationshipList.getRelationship().add(resultantRelationship)) {
 168                         LOGGER.info("added relationship {} in cache successfully", resultantRelationship);
 169                         return true;
 170                     }
 171                 }
 172             }
 173         } catch (final Exception exception) {
 174             LOGGER.error("Unable to add two-way relationship for vnfmId: {}", vnfmId, exception);
 175         }
 176         LOGGER.error("Unable to add relationship in cache for vnfmId: {}", vnfmId);
 177         return false;
 178     }
 179
 180     private Relationship getRelationship(final String relatedLink, final EsrVnfm esrVnfm) {
 181         final Relationship relationShip = new Relationship();
 182         relationShip.setRelatedTo(ESR_VNFM);
 183         relationShip.setRelationshipLabel(DEPENDS_ON);
 184         relationShip.setRelatedLink(relatedLink);
 185
 186         final RelationshipData relationshipData = new RelationshipData();
 187         relationshipData.setRelationshipKey(ESR_VNFM_VNFM_ID);
 188         relationshipData.setRelationshipValue(esrVnfm.getVnfmId());
 189         relationShip.getRelationshipData().add(relationshipData);
 190
 191         return relationShip;
 192     }
 193
 194     private List<EsrSystemInfo> getEsrSystemInfoList(final EsrVnfm esrVnfm) {
 195         EsrSystemInfoList esrSystemInfoList = esrVnfm.getEsrSystemInfoList();
 196         if (esrSystemInfoList == null) {
 197             esrSystemInfoList = new EsrSystemInfoList();
 198             esrVnfm.setEsrSystemInfoList(esrSystemInfoList);
 199         }
 200         return esrSystemInfoList.getEsrSystemInfo();
 201     }
 202
 203     @Override
 204     public void clearAll() {
 205         clearCache(ESR_VNFM_CACHE.getName());
 206
 207     }
 208
 209 }