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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.ESR_VNFM_CACHE;
import static org.onap.so.aaisimulator.utils.Constants.DEPENDS_ON;
import static org.onap.so.aaisimulator.utils.Constants.ESR_VNFM;
import static org.onap.so.aaisimulator.utils.Constants.ESR_VNFM_VNFM_ID;
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.EsrSystemInfo;
import org.onap.aai.domain.yang.EsrSystemInfoList;
import org.onap.aai.domain.yang.EsrVnfm;
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.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 ExternalSystemCacheServiceProviderImpl extends AbstractCacheServiceProvider
implements ExternalSystemCacheServiceProvider {
private static final Logger LOGGER = LoggerFactory.getLogger(ExternalSystemCacheServiceProviderImpl.class);
private final HttpRestServiceProvider httpRestServiceProvider;
@Autowired
public ExternalSystemCacheServiceProviderImpl(final CacheManager cacheManager,
final HttpRestServiceProvider httpRestServiceProvider) {
super(cacheManager);
this.httpRestServiceProvider = httpRestServiceProvider;
}
@Override
public void putEsrVnfm(final String vnfmId, final EsrVnfm esrVnfm) {
LOGGER.info("Adding esrVnfm: {} with name to cache", esrVnfm);
final Cache cache = getCache(ESR_VNFM_CACHE.getName());
cache.put(vnfmId, esrVnfm);
}
@Override
public Optional<EsrVnfm> getEsrVnfm(final String vnfmId) {
LOGGER.info("getting EsrVnfm from cache using key: {}", vnfmId);
final Cache cache = getCache(ESR_VNFM_CACHE.getName());
final EsrVnfm value = cache.get(vnfmId, EsrVnfm.class);
if (value != null) {
return Optional.of(value);
}
LOGGER.error("Unable to find EsrVnfm in cache using vnfmId: {} ", vnfmId);
return Optional.empty();
}
@Override
public List<EsrVnfm> getAllEsrVnfm() {
final Cache cache = getCache(ESR_VNFM_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<EsrVnfm> result = new ArrayList<>();
concurrentHashMap.keySet().stream().forEach(key -> {
final Optional<EsrVnfm> optional = getEsrVnfm(key.toString());
if (optional.isPresent()) {
result.add(optional.get());
}
});
return result;
}
}
LOGGER.error("Unable to get all esr vnfms ... ");
return Collections.emptyList();
}
@Override
public Optional<EsrSystemInfoList> getEsrSystemInfoList(final String vnfmId) {
final Optional<EsrVnfm> optional = getEsrVnfm(vnfmId);
if (optional.isPresent()) {
final EsrVnfm esrVnfm = optional.get();
if (esrVnfm.getEsrSystemInfoList() != null) {
return Optional.of(esrVnfm.getEsrSystemInfoList());
}
LOGGER.error("EsrSystemInfoList is null for vnfmId: {} ", vnfmId);
}
LOGGER.error("Unable to find EsrVnfm in cache using vnfmId: {} ", vnfmId);
return Optional.empty();
}
@Override
public boolean putEsrSystemInfo(final String vnfmId, final String esrSystemInfoId,
final EsrSystemInfo esrSystemInfo) {
final Optional<EsrVnfm> optional = getEsrVnfm(vnfmId);
if (optional.isPresent()) {
final EsrVnfm esrVnfm = optional.get();
final List<EsrSystemInfo> esrSystemInfoList = getEsrSystemInfoList(esrVnfm);
final Optional<EsrSystemInfo> existingEsrSystemInfo =
esrSystemInfoList.stream().filter(existing -> existing.getEsrSystemInfoId() != null
&& existing.getEsrSystemInfoId().equals(esrSystemInfoId)).findFirst();
if (existingEsrSystemInfo.isPresent()) {
LOGGER.error("EsrSystemInfo already exists {}", existingEsrSystemInfo.get());
return false;
}
return esrSystemInfoList.add(esrSystemInfo);
}
LOGGER.error("Unable to add EsrSystemInfo in cache for vnfmId: {} ", vnfmId);
return false;
}
@Override
public boolean addRelationShip(final HttpHeaders incomingHeader, final String targetBaseUrl,
final String requestUriString, final String vnfmId, final Relationship relationship) {
try {
final Optional<EsrVnfm> optional = getEsrVnfm(vnfmId);
if (optional.isPresent()) {
final EsrVnfm esrVnfm = optional.get();
final String targetUrl = getTargetUrl(targetBaseUrl, relationship.getRelatedLink());
final Relationship outGoingRelationShip =
getRelationship(getRelationShipListRelatedLink(requestUriString), esrVnfm);
final Optional<Relationship> optionalRelationship = httpRestServiceProvider.put(incomingHeader,
outGoingRelationShip, targetUrl, Relationship.class);
if (optionalRelationship.isPresent()) {
final Relationship resultantRelationship = optionalRelationship.get();
RelationshipList relationshipList = esrVnfm.getRelationshipList();
if (relationshipList == null) {
relationshipList = new RelationshipList();
esrVnfm.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 vnfmId: {}", vnfmId, exception);
}
LOGGER.error("Unable to add relationship in cache for vnfmId: {}", vnfmId);
return false;
}
private Relationship getRelationship(final String relatedLink, final EsrVnfm esrVnfm) {
final Relationship relationShip = new Relationship();
relationShip.setRelatedTo(ESR_VNFM);
relationShip.setRelationshipLabel(DEPENDS_ON);
relationShip.setRelatedLink(relatedLink);
final RelationshipData relationshipData = new RelationshipData();
relationshipData.setRelationshipKey(ESR_VNFM_VNFM_ID);
relationshipData.setRelationshipValue(esrVnfm.getVnfmId());
relationShip.getRelationshipData().add(relationshipData);
return relationShip;
}
private List<EsrSystemInfo> getEsrSystemInfoList(final EsrVnfm esrVnfm) {
EsrSystemInfoList esrSystemInfoList = esrVnfm.getEsrSystemInfoList();
if (esrSystemInfoList == null) {
esrSystemInfoList = new EsrSystemInfoList();
esrVnfm.setEsrSystemInfoList(esrSystemInfoList);
}
return esrSystemInfoList.getEsrSystemInfo();
}
@Override
public void clearAll() {
clearCache(ESR_VNFM_CACHE.getName());
}
}
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