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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Nordix Foundation.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.so.aaisimulator.service.providers;
import static org.onap.so.aaisimulator.utils.CacheName.GENERIC_VNF_CACHE;
import static org.onap.so.aaisimulator.utils.Constants.COMPOSED_OF;
import static org.onap.so.aaisimulator.utils.Constants.GENERIC_VNF;
import static org.onap.so.aaisimulator.utils.Constants.GENERIC_VNF_VNF_ID;
import static org.onap.so.aaisimulator.utils.Constants.GENERIC_VNF_VNF_NAME;
import static org.onap.so.aaisimulator.utils.HttpServiceUtils.getBiDirectionalRelationShipListRelatedLink;
import static org.onap.so.aaisimulator.utils.HttpServiceUtils.getRelationShipListRelatedLink;
import static org.onap.so.aaisimulator.utils.HttpServiceUtils.getTargetUrl;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
import java.util.concurrent.ConcurrentHashMap;
import org.onap.aai.domain.yang.GenericVnf;
import org.onap.aai.domain.yang.RelatedToProperty;
import org.onap.aai.domain.yang.Relationship;
import org.onap.aai.domain.yang.RelationshipData;
import org.onap.aai.domain.yang.RelationshipList;
import org.onap.so.aaisimulator.utils.ShallowBeanCopy;
import org.onap.so.simulator.cache.provider.AbstractCacheServiceProvider;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.Cache;
import org.springframework.cache.CacheManager;
import org.springframework.http.HttpHeaders;
import org.springframework.stereotype.Service;
/**
* @author Waqas Ikram (waqas.ikram@est.tech)
*
*/
@Service
public class GenericVnfCacheServiceProviderImpl extends AbstractCacheServiceProvider
implements GenericVnfCacheServiceProvider {
private static final Logger LOGGER = LoggerFactory.getLogger(GenericVnfCacheServiceProviderImpl.class);
private final HttpRestServiceProvider httpRestServiceProvider;
@Autowired
public GenericVnfCacheServiceProviderImpl(final CacheManager cacheManager,
final HttpRestServiceProvider httpRestServiceProvider) {
super(cacheManager);
this.httpRestServiceProvider = httpRestServiceProvider;
}
@Override
public void putGenericVnf(final String vnfId, final GenericVnf genericVnf) {
LOGGER.info("Adding customer: {} with key: {} in cache ...", genericVnf, vnfId);
final Cache cache = getCache(GENERIC_VNF_CACHE.getName());
cache.put(vnfId, genericVnf);
}
@Override
public Optional<GenericVnf> getGenericVnf(final String vnfId) {
LOGGER.info("getting GenericVnf from cache using key: {}", vnfId);
final Cache cache = getCache(GENERIC_VNF_CACHE.getName());
final GenericVnf value = cache.get(vnfId, GenericVnf.class);
if (value != null) {
return Optional.of(value);
}
LOGGER.error("Unable to find GenericVnf ...");
return Optional.empty();
}
@Override
public Optional<String> getGenericVnfId(final String vnfName) {
final Cache cache = getCache(GENERIC_VNF_CACHE.getName());
if (cache != null) {
final Object nativeCache = cache.getNativeCache();
if (nativeCache instanceof ConcurrentHashMap) {
@SuppressWarnings("unchecked")
final ConcurrentHashMap<Object, Object> concurrentHashMap =
(ConcurrentHashMap<Object, Object>) nativeCache;
for (final Object key : concurrentHashMap.keySet()) {
final Optional<GenericVnf> optional = getGenericVnf(key.toString());
if (optional.isPresent()) {
final GenericVnf value = optional.get();
final String genericVnfName = value.getVnfName();
if (genericVnfName != null && genericVnfName.equals(vnfName)) {
final String genericVnfId = value.getVnfId();
LOGGER.info("Found matching vnf for name: {}, vnf-id: {}", genericVnfName, genericVnfId);
return Optional.of(genericVnfId);
}
}
}
}
}
LOGGER.error("No match found for vnf name: {}", vnfName);
return Optional.empty();
}
@Override
public boolean addRelationShip(final HttpHeaders incomingHeader, final String targetBaseUrl,
final String requestUriString, final String vnfId, final Relationship relationship) {
try {
final Optional<GenericVnf> optional = getGenericVnf(vnfId);
if (optional.isPresent()) {
final GenericVnf genericVnf = optional.get();
final String targetUrl = getTargetUrl(targetBaseUrl, relationship.getRelatedLink());
final Relationship outGoingRelationShip =
getRelationship(getRelationShipListRelatedLink(requestUriString), genericVnf, COMPOSED_OF);
final Optional<Relationship> optionalRelationship = httpRestServiceProvider.put(incomingHeader,
outGoingRelationShip, targetUrl, Relationship.class);
if (optionalRelationship.isPresent()) {
final Relationship resultantRelationship = optionalRelationship.get();
RelationshipList relationshipList = genericVnf.getRelationshipList();
if (relationshipList == null) {
relationshipList = new RelationshipList();
genericVnf.setRelationshipList(relationshipList);
}
if (relationshipList.getRelationship().add(resultantRelationship)) {
LOGGER.info("added relationship {} in cache successfully", resultantRelationship);
return true;
}
}
}
} catch (final Exception exception) {
LOGGER.error("Unable to add two-way relationship for vnfId: {}", vnfId, exception);
}
LOGGER.error("Unable to add relationship in cache for vnfId: {}", vnfId);
return false;
}
@Override
public Optional<Relationship> addRelationShip(final String vnfId, final Relationship relationship,
final String requestURI) {
final Optional<GenericVnf> optional = getGenericVnf(vnfId);
if (optional.isPresent()) {
final GenericVnf genericVnf = optional.get();
RelationshipList relationshipList = genericVnf.getRelationshipList();
if (relationshipList == null) {
relationshipList = new RelationshipList();
genericVnf.setRelationshipList(relationshipList);
}
relationshipList.getRelationship().add(relationship);
LOGGER.info("Successfully added relation to GenericVnf for vnfId: {}", vnfId);
final String relatedLink = getBiDirectionalRelationShipListRelatedLink(requestURI);
final Relationship resultantRelationship =
getRelationship(relatedLink, genericVnf, relationship.getRelationshipLabel());
return Optional.of(resultantRelationship);
}
return Optional.empty();
}
@Override
public boolean patchGenericVnf(final String vnfId, final GenericVnf genericVnf) {
final Optional<GenericVnf> optional = getGenericVnf(vnfId);
if (optional.isPresent()) {
final GenericVnf cachedGenericVnf = optional.get();
try {
ShallowBeanCopy.copy(genericVnf, cachedGenericVnf);
return true;
} catch (final Exception exception) {
LOGGER.error("Unable to update GenericVnf for vnfId: {}", vnfId, exception);
}
}
LOGGER.error("Unable to find GenericVnf ...");
return false;
}
@Override
public List<GenericVnf> getGenericVnfs(final String selflink) {
final Cache cache = getCache(GENERIC_VNF_CACHE.getName());
if (cache != null) {
final Object nativeCache = cache.getNativeCache();
if (nativeCache instanceof ConcurrentHashMap) {
@SuppressWarnings("unchecked")
final ConcurrentHashMap<Object, Object> concurrentHashMap =
(ConcurrentHashMap<Object, Object>) nativeCache;
final List<GenericVnf> result = new ArrayList<>();
concurrentHashMap.keySet().stream().forEach(key -> {
final Optional<GenericVnf> optional = getGenericVnf(key.toString());
if (optional.isPresent()) {
final GenericVnf genericVnf = optional.get();
final String genericVnfSelfLink = genericVnf.getSelflink();
final String genericVnfId = genericVnf.getSelflink();
if (genericVnfSelfLink != null && genericVnfSelfLink.equals(selflink)) {
LOGGER.info("Found matching vnf for selflink: {}, vnf-id: {}", genericVnfSelfLink,
genericVnfId);
result.add(genericVnf);
}
}
});
return result;
}
}
LOGGER.error("No match found for selflink: {}", selflink);
return Collections.emptyList();
}
@Override
public boolean deleteGenericVnf(final String vnfId, final String resourceVersion) {
final Optional<GenericVnf> optional = getGenericVnf(vnfId);
if (optional.isPresent()) {
final GenericVnf genericVnf = optional.get();
if (genericVnf.getResourceVersion() != null && genericVnf.getResourceVersion().equals(resourceVersion)) {
final Cache cache = getCache(GENERIC_VNF_CACHE.getName());
LOGGER.info("Will evict GenericVnf from cache with vnfId: {}", genericVnf.getVnfId());
cache.evict(vnfId);
return true;
}
}
LOGGER.error("Unable to find GenericVnf for vnfId: {} and resourceVersion: {} ...", vnfId, resourceVersion);
return false;
}
private Relationship getRelationship(final String relatedLink, final GenericVnf genericVnf,
final String relationshipLabel) {
final Relationship relationShip = new Relationship();
relationShip.setRelatedTo(GENERIC_VNF);
relationShip.setRelationshipLabel(relationshipLabel);
relationShip.setRelatedLink(relatedLink);
final RelationshipData relationshipData = new RelationshipData();
relationshipData.setRelationshipKey(GENERIC_VNF_VNF_ID);
relationshipData.setRelationshipValue(genericVnf.getVnfId());
relationShip.getRelationshipData().add(relationshipData);
final RelatedToProperty relatedToProperty = new RelatedToProperty();
relatedToProperty.setPropertyKey(GENERIC_VNF_VNF_NAME);
relatedToProperty.setPropertyValue(genericVnf.getVnfName());
relationShip.getRelatedToProperty().add(relatedToProperty);
return relationShip;
}
@Override
public void clearAll() {
clearCache(GENERIC_VNF_CACHE.getName());
}
}
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