plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/service/providers/GenericVnfCacheServiceProviderImpl.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.GENERIC_VNF_CACHE;
  23 import static org.onap.so.aaisimulator.utils.Constants.COMPOSED_OF;
  24 import static org.onap.so.aaisimulator.utils.Constants.GENERIC_VNF;
  25 import static org.onap.so.aaisimulator.utils.Constants.GENERIC_VNF_VNF_ID;
  26 import static org.onap.so.aaisimulator.utils.Constants.GENERIC_VNF_VNF_NAME;
  27 import static org.onap.so.aaisimulator.utils.HttpServiceUtils.getBiDirectionalRelationShipListRelatedLink;
  28 import static org.onap.so.aaisimulator.utils.HttpServiceUtils.getRelationShipListRelatedLink;
  29 import static org.onap.so.aaisimulator.utils.HttpServiceUtils.getTargetUrl;
  30 import java.util.ArrayList;
  31 import java.util.Collections;
  32 import java.util.List;
  33 import java.util.Optional;
  34 import java.util.concurrent.ConcurrentHashMap;
  35 import org.onap.aai.domain.yang.GenericVnf;
  36 import org.onap.aai.domain.yang.RelatedToProperty;
  37 import org.onap.aai.domain.yang.Relationship;
  38 import org.onap.aai.domain.yang.RelationshipData;
  39 import org.onap.aai.domain.yang.RelationshipList;
  40 import org.onap.so.aaisimulator.utils.ShallowBeanCopy;
  41 import org.onap.so.simulator.cache.provider.AbstractCacheServiceProvider;
  42 import org.slf4j.Logger;
  43 import org.slf4j.LoggerFactory;
  44 import org.springframework.beans.factory.annotation.Autowired;
  45 import org.springframework.cache.Cache;
  46 import org.springframework.cache.CacheManager;
  47 import org.springframework.http.HttpHeaders;
  48 import org.springframework.stereotype.Service;
  49
  50 /**
  51  * @author Waqas Ikram (waqas.ikram@est.tech)
  52  *
  53  */
  54 @Service
  55 public class GenericVnfCacheServiceProviderImpl extends AbstractCacheServiceProvider
  56         implements GenericVnfCacheServiceProvider {
  57
  58     private static final Logger LOGGER = LoggerFactory.getLogger(GenericVnfCacheServiceProviderImpl.class);
  59
  60     private final HttpRestServiceProvider httpRestServiceProvider;
  61
  62     @Autowired
  63     public GenericVnfCacheServiceProviderImpl(final CacheManager cacheManager,
  64             final HttpRestServiceProvider httpRestServiceProvider) {
  65         super(cacheManager);
  66         this.httpRestServiceProvider = httpRestServiceProvider;
  67     }
  68
  69     @Override
  70     public void putGenericVnf(final String vnfId, final GenericVnf genericVnf) {
  71         LOGGER.info("Adding customer: {} with key: {} in cache ...", genericVnf, vnfId);
  72         final Cache cache = getCache(GENERIC_VNF_CACHE.getName());
  73         cache.put(vnfId, genericVnf);
  74     }
  75
  76     @Override
  77     public Optional<GenericVnf> getGenericVnf(final String vnfId) {
  78         LOGGER.info("getting GenericVnf from cache using key: {}", vnfId);
  79         final Cache cache = getCache(GENERIC_VNF_CACHE.getName());
  80         final GenericVnf value = cache.get(vnfId, GenericVnf.class);
  81         if (value != null) {
  82             return Optional.of(value);
  83         }
  84         LOGGER.error("Unable to find GenericVnf ...");
  85         return Optional.empty();
  86     }
  87
  88     @Override
  89     public Optional<String> getGenericVnfId(final String vnfName) {
  90         final Cache cache = getCache(GENERIC_VNF_CACHE.getName());
  91         if (cache != null) {
  92             final Object nativeCache = cache.getNativeCache();
  93             if (nativeCache instanceof ConcurrentHashMap) {
  94                 @SuppressWarnings("unchecked")
  95                 final ConcurrentHashMap<Object, Object> concurrentHashMap =
  96                         (ConcurrentHashMap<Object, Object>) nativeCache;
  97                 for (final Object key : concurrentHashMap.keySet()) {
  98                     final Optional<GenericVnf> optional = getGenericVnf(key.toString());
  99                     if (optional.isPresent()) {
 100                         final GenericVnf value = optional.get();
 101                         final String genericVnfName = value.getVnfName();
 102                         if (genericVnfName != null && genericVnfName.equals(vnfName)) {
 103                             final String genericVnfId = value.getVnfId();
 104                             LOGGER.info("Found matching vnf for name: {}, vnf-id: {}", genericVnfName, genericVnfId);
 105                             return Optional.of(genericVnfId);
 106                         }
 107                     }
 108                 }
 109             }
 110         }
 111         LOGGER.error("No match found for vnf name: {}", vnfName);
 112         return Optional.empty();
 113     }
 114
 115     @Override
 116     public boolean addRelationShip(final HttpHeaders incomingHeader, final String targetBaseUrl,
 117             final String requestUriString, final String vnfId, final Relationship relationship) {
 118         try {
 119             final Optional<GenericVnf> optional = getGenericVnf(vnfId);
 120             if (optional.isPresent()) {
 121                 final GenericVnf genericVnf = optional.get();
 122                 final String targetUrl = getTargetUrl(targetBaseUrl, relationship.getRelatedLink());
 123                 final Relationship outGoingRelationShip =
 124                         getRelationship(getRelationShipListRelatedLink(requestUriString), genericVnf, COMPOSED_OF);
 125                 final Optional<Relationship> optionalRelationship = httpRestServiceProvider.put(incomingHeader,
 126                         outGoingRelationShip, targetUrl, Relationship.class);
 127                 if (optionalRelationship.isPresent()) {
 128                     final Relationship resultantRelationship = optionalRelationship.get();
 129
 130                     RelationshipList relationshipList = genericVnf.getRelationshipList();
 131                     if (relationshipList == null) {
 132                         relationshipList = new RelationshipList();
 133                         genericVnf.setRelationshipList(relationshipList);
 134                     }
 135                     if (relationshipList.getRelationship().add(resultantRelationship)) {
 136                         LOGGER.info("added relationship {} in cache successfully", resultantRelationship);
 137                         return true;
 138                     }
 139                 }
 140             }
 141         } catch (final Exception exception) {
 142             LOGGER.error("Unable to add two-way relationship for vnfId: {}", vnfId, exception);
 143         }
 144         LOGGER.error("Unable to add relationship in cache for vnfId: {}", vnfId);
 145         return false;
 146     }
 147
 148     @Override
 149     public Optional<Relationship> addRelationShip(final String vnfId, final Relationship relationship,
 150             final String requestURI) {
 151         final Optional<GenericVnf> optional = getGenericVnf(vnfId);
 152         if (optional.isPresent()) {
 153             final GenericVnf genericVnf = optional.get();
 154             RelationshipList relationshipList = genericVnf.getRelationshipList();
 155             if (relationshipList == null) {
 156                 relationshipList = new RelationshipList();
 157                 genericVnf.setRelationshipList(relationshipList);
 158             }
 159             relationshipList.getRelationship().add(relationship);
 160             LOGGER.info("Successfully added relation to GenericVnf for vnfId: {}", vnfId);
 161
 162             final String relatedLink = getBiDirectionalRelationShipListRelatedLink(requestURI);
 163             final Relationship resultantRelationship =
 164                     getRelationship(relatedLink, genericVnf, relationship.getRelationshipLabel());
 165             return Optional.of(resultantRelationship);
 166         }
 167         return Optional.empty();
 168     }
 169
 170     @Override
 171     public boolean patchGenericVnf(final String vnfId, final GenericVnf genericVnf) {
 172         final Optional<GenericVnf> optional = getGenericVnf(vnfId);
 173         if (optional.isPresent()) {
 174             final GenericVnf cachedGenericVnf = optional.get();
 175             try {
 176                 ShallowBeanCopy.copy(genericVnf, cachedGenericVnf);
 177                 return true;
 178             } catch (final Exception exception) {
 179                 LOGGER.error("Unable to update GenericVnf for vnfId: {}", vnfId, exception);
 180             }
 181         }
 182         LOGGER.error("Unable to find GenericVnf ...");
 183         return false;
 184     }
 185
 186     @Override
 187     public List<GenericVnf> getGenericVnfs(final String selflink) {
 188         final Cache cache = getCache(GENERIC_VNF_CACHE.getName());
 189         if (cache != null) {
 190             final Object nativeCache = cache.getNativeCache();
 191             if (nativeCache instanceof ConcurrentHashMap) {
 192                 @SuppressWarnings("unchecked")
 193                 final ConcurrentHashMap<Object, Object> concurrentHashMap =
 194                         (ConcurrentHashMap<Object, Object>) nativeCache;
 195                 final List<GenericVnf> result = new ArrayList<>();
 196
 197                 concurrentHashMap.keySet().stream().forEach(key -> {
 198                     final Optional<GenericVnf> optional = getGenericVnf(key.toString());
 199                     if (optional.isPresent()) {
 200                         final GenericVnf genericVnf = optional.get();
 201                         final String genericVnfSelfLink = genericVnf.getSelflink();
 202                         final String genericVnfId = genericVnf.getSelflink();
 203
 204                         if (genericVnfSelfLink != null && genericVnfSelfLink.equals(selflink)) {
 205                             LOGGER.info("Found matching vnf for selflink: {}, vnf-id: {}", genericVnfSelfLink,
 206                                     genericVnfId);
 207                             result.add(genericVnf);
 208                         }
 209                     }
 210                 });
 211                 return result;
 212             }
 213         }
 214         LOGGER.error("No match found for selflink: {}", selflink);
 215         return Collections.emptyList();
 216     }
 217
 218     @Override
 219     public boolean deleteGenericVnf(final String vnfId, final String resourceVersion) {
 220         final Optional<GenericVnf> optional = getGenericVnf(vnfId);
 221         if (optional.isPresent()) {
 222             final GenericVnf genericVnf = optional.get();
 223             if (genericVnf.getResourceVersion() != null && genericVnf.getResourceVersion().equals(resourceVersion)) {
 224                 final Cache cache = getCache(GENERIC_VNF_CACHE.getName());
 225                 LOGGER.info("Will evict GenericVnf from cache with vnfId: {}", genericVnf.getVnfId());
 226                 cache.evict(vnfId);
 227                 return true;
 228             }
 229         }
 230         LOGGER.error("Unable to find GenericVnf for vnfId: {} and resourceVersion: {} ...", vnfId, resourceVersion);
 231         return false;
 232     }
 233
 234     private Relationship getRelationship(final String relatedLink, final GenericVnf genericVnf,
 235             final String relationshipLabel) {
 236         final Relationship relationShip = new Relationship();
 237         relationShip.setRelatedTo(GENERIC_VNF);
 238         relationShip.setRelationshipLabel(relationshipLabel);
 239         relationShip.setRelatedLink(relatedLink);
 240
 241         final RelationshipData relationshipData = new RelationshipData();
 242         relationshipData.setRelationshipKey(GENERIC_VNF_VNF_ID);
 243         relationshipData.setRelationshipValue(genericVnf.getVnfId());
 244         relationShip.getRelationshipData().add(relationshipData);
 245
 246         final RelatedToProperty relatedToProperty = new RelatedToProperty();
 247         relatedToProperty.setPropertyKey(GENERIC_VNF_VNF_NAME);
 248         relatedToProperty.setPropertyValue(genericVnf.getVnfName());
 249         relationShip.getRelatedToProperty().add(relatedToProperty);
 250         return relationShip;
 251     }
 252
 253     @Override
 254     public void clearAll() {
 255         clearCache(GENERIC_VNF_CACHE.getName());
 256     }
 257
 258 }