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.BI_DIRECTIONAL_RELATIONSHIP_LIST_URL;
  24 import static org.onap.so.aaisimulator.utils.Constants.COMPOSED_OF;
  25 import static org.onap.so.aaisimulator.utils.Constants.GENERIC_VNF;
  26 import static org.onap.so.aaisimulator.utils.Constants.GENERIC_VNF_VNF_ID;
  27 import static org.onap.so.aaisimulator.utils.Constants.GENERIC_VNF_VNF_NAME;
  28 import java.util.Optional;
  29 import java.util.concurrent.ConcurrentHashMap;
  30 import org.onap.aai.domain.yang.GenericVnf;
  31 import org.onap.aai.domain.yang.RelatedToProperty;
  32 import org.onap.aai.domain.yang.Relationship;
  33 import org.onap.aai.domain.yang.RelationshipData;
  34 import org.onap.aai.domain.yang.RelationshipList;
  35 import org.onap.so.simulator.cache.provider.AbstractCacheServiceProvider;
  36 import org.slf4j.Logger;
  37 import org.slf4j.LoggerFactory;
  38 import org.springframework.beans.factory.annotation.Autowired;
  39 import org.springframework.cache.Cache;
  40 import org.springframework.cache.CacheManager;
  41 import org.springframework.http.HttpHeaders;
  42 import org.springframework.stereotype.Service;
  43 import org.springframework.web.util.UriComponentsBuilder;
  44
  45 /**
  46  * @author Waqas Ikram (waqas.ikram@est.tech)
  47  *
  48  */
  49 @Service
  50 public class GenericVnfCacheServiceProviderImpl extends AbstractCacheServiceProvider
  51         implements GenericVnfCacheServiceProvider {
  52
  53     private static final Logger LOGGER = LoggerFactory.getLogger(GenericVnfCacheServiceProviderImpl.class);
  54
  55     private final HttpRestServiceProvider httpRestServiceProvider;
  56
  57     @Autowired
  58     public GenericVnfCacheServiceProviderImpl(final CacheManager cacheManager,
  59             final HttpRestServiceProvider httpRestServiceProvider) {
  60         super(cacheManager);
  61         this.httpRestServiceProvider = httpRestServiceProvider;
  62     }
  63
  64     @Override
  65     public void putGenericVnf(final String vnfId, final GenericVnf genericVnf) {
  66         LOGGER.info("Adding customer: {} with key: {} in cache ...", genericVnf, vnfId);
  67         final Cache cache = getCache(GENERIC_VNF_CACHE.getName());
  68         cache.put(vnfId, genericVnf);
  69     }
  70
  71     @Override
  72     public Optional<GenericVnf> getGenericVnf(final String vnfId) {
  73         LOGGER.info("getting GenericVnf from cache using key: {}", vnfId);
  74         final Cache cache = getCache(GENERIC_VNF_CACHE.getName());
  75         final GenericVnf value = cache.get(vnfId, GenericVnf.class);
  76         if (value != null) {
  77             return Optional.of(value);
  78         }
  79         LOGGER.error("Unable to find GenericVnf ...");
  80         return Optional.empty();
  81     }
  82
  83     @Override
  84     public boolean addRelationShip(final String vnfId, final Relationship relationship) {
  85         final Optional<GenericVnf> optional = getGenericVnf(vnfId);
  86         if (optional.isPresent()) {
  87             final GenericVnf genericVnf = optional.get();
  88             RelationshipList relationshipList = genericVnf.getRelationshipList();
  89             if (relationshipList == null) {
  90                 relationshipList = new RelationshipList();
  91                 genericVnf.setRelationshipList(relationshipList);
  92             }
  93             return relationshipList.getRelationship().add(relationship);
  94         }
  95         LOGGER.error("Unable to find GenericVnf ...");
  96         return false;
  97     }
  98
  99     @Override
 100     public Optional<String> getGenericVnfId(final String vnfName) {
 101         final Cache cache = getCache(GENERIC_VNF_CACHE.getName());
 102         if (cache != null) {
 103             final Object nativeCache = cache.getNativeCache();
 104             if (nativeCache instanceof ConcurrentHashMap) {
 105                 @SuppressWarnings("unchecked")
 106                 final ConcurrentHashMap<Object, Object> concurrentHashMap =
 107                         (ConcurrentHashMap<Object, Object>) nativeCache;
 108                 for (final Object key : concurrentHashMap.keySet()) {
 109                     final GenericVnf value = cache.get(key, GenericVnf.class);
 110                     final String genericVnfName = value.getVnfName();
 111                     if (value != null && genericVnfName.equals(vnfName)) {
 112                         final String genericVnfId = value.getVnfId();
 113                         LOGGER.info("Found matching vnf for name: {}, vnf-id: {}", genericVnfName, genericVnfId);
 114                         return Optional.of(genericVnfId);
 115                     }
 116                 }
 117             }
 118         }
 119         LOGGER.info("No match found for vnf name: {}", vnfName);
 120         return Optional.empty();
 121     }
 122
 123     @Override
 124     public boolean addRelationShip(final HttpHeaders incomingHeader, final String targetBaseUrl,
 125             final String requestUriString, final String vnfId, final Relationship relationship) {
 126         try {
 127             final Optional<GenericVnf> optional = getGenericVnf(vnfId);
 128             if (optional.isPresent()) {
 129                 final GenericVnf genericVnf = optional.get();
 130                 final String targetUrl = getTargetUrl(targetBaseUrl, relationship.getRelatedLink());
 131                 final Relationship outGoingRelationShip = getRelationship(requestUriString, genericVnf);
 132                 final Optional<Relationship> optionalRelationship = httpRestServiceProvider.put(incomingHeader,
 133                         outGoingRelationShip, targetUrl, Relationship.class);
 134                 if (optionalRelationship.isPresent()) {
 135                     final Relationship resultantRelationship = optionalRelationship.get();
 136                     if (addRelationShip(vnfId, resultantRelationship)) {
 137                         LOGGER.info("added relationship {} in cache successfully", resultantRelationship);
 138                         return true;
 139                     }
 140                 }
 141             }
 142         } catch (final Exception exception) {
 143             LOGGER.error("Unable to add two-way relationship for vnfId: {}", vnfId, exception);
 144         }
 145         LOGGER.error("Unable to add relationship in cache for vnfId: {}", vnfId);
 146         return false;
 147     }
 148
 149     private String getTargetUrl(final String targetBaseUrl, final String relatedLink) {
 150         return UriComponentsBuilder.fromUriString(targetBaseUrl).path(relatedLink)
 151                 .path(BI_DIRECTIONAL_RELATIONSHIP_LIST_URL).toUriString();
 152     }
 153
 154     private Relationship getRelationship(final String relatedLink, final GenericVnf genericVnf) {
 155         final Relationship relationShip = new Relationship();
 156         relationShip.setRelatedTo(GENERIC_VNF);
 157         relationShip.setRelationshipLabel(COMPOSED_OF);
 158         relationShip.setRelatedLink(relatedLink);
 159
 160         final RelationshipData relationshipData = new RelationshipData();
 161         relationshipData.setRelationshipKey(GENERIC_VNF_VNF_ID);
 162         relationshipData.setRelationshipValue(genericVnf.getVnfId());
 163         relationShip.getRelationshipData().add(relationshipData);
 164
 165         final RelatedToProperty relatedToProperty = new RelatedToProperty();
 166         relatedToProperty.setPropertyKey(GENERIC_VNF_VNF_NAME);
 167         relatedToProperty.setPropertyValue(genericVnf.getVnfName());
 168         relationShip.getRelatedToProperty().add(relatedToProperty);
 169         return relationShip;
 170     }
 171
 172     @Override
 173     public void clearAll() {
 174         clearCahce(GENERIC_VNF_CACHE.getName());
 175     }
 176
 177 }