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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2020 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.aaisimulator.service.providers;
import org.onap.aai.domain.yang.v15.Pnf;
import org.onap.aaisimulator.utils.ShallowBeanCopy;
import org.onap.aaisimulator.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.stereotype.Service;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
import java.util.concurrent.ConcurrentHashMap;
import static org.onap.aaisimulator.utils.CacheName.PNF_CACHE;
/**
* @author Raj Gumma (raj.gumma@est.tech)
*/
@Service
public class PnfCacheServiceProviderImpl extends AbstractCacheServiceProvider implements PnfCacheServiceProvider {
private static final Logger LOGGER = LoggerFactory.getLogger(PnfCacheServiceProvider.class);
private final Cache cache;
@Autowired
public PnfCacheServiceProviderImpl(final CacheManager cacheManager) {
super(cacheManager);
cache = getCache(PNF_CACHE.getName());
}
@Override
public void putPnf(final String pnfId, final Pnf pnf) {
LOGGER.info("Adding pnf: {} with key: {} in cache ...", pnf, pnfId);
cache.put(pnfId, pnf);
}
@Override
public Optional<Pnf> getPnf(final String pnfId) {
LOGGER.info("getting Pnf from cache using key: {}", pnfId);
final Pnf value = cache.get(pnfId, Pnf.class);
return Optional.ofNullable(value);
}
@Override
public Optional<String> getPnfId(final String pnfName) {
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<Pnf> optional = getPnf(key.toString());
if (optional.isPresent()) {
final String cachedPnfName = optional.get().getPnfName();
if (cachedPnfName != null && cachedPnfName.equals(cachedPnfName)) {
final String pnfId = optional.get().getPnfId();
LOGGER.info("Found matching pnf for name: {}, pnf-id: {}", cachedPnfName, pnfId);
return Optional.of(pnfId);
}
}
}
}
return Optional.empty();
}
@Override
public boolean patchPnf(final String pnfId, final Pnf pnf) {
final Optional<Pnf> optional = getPnf(pnfId);
if (optional.isPresent()) {
final Pnf cachedPnf = optional.get();
try {
ShallowBeanCopy.copy(pnf, cachedPnf);
return true;
} catch (final Exception exception) {
LOGGER.error("Unable to update Pnf for pnfId: {}", pnfId, exception);
}
}
LOGGER.error("Unable to find Pnf for pnfID : {}", pnfId);
return false;
}
@Override
public List<Pnf> getPnfs(String selfLink) {
final Object nativeCache = cache.getNativeCache();
if (nativeCache instanceof ConcurrentHashMap) {
@SuppressWarnings("unchecked") final ConcurrentHashMap<Object, Object> concurrentHashMap =
(ConcurrentHashMap<Object, Object>) nativeCache;
final List<Pnf> result = new ArrayList<>();
concurrentHashMap.keySet().stream().forEach(key -> {
final Optional<Pnf> optional = getPnf(key.toString());
if (optional.isPresent()) {
final Pnf pnf = optional.get();
final String pnfSelfLink = pnf.getSelflink();
final String pnfId = pnf.getSelflink();
if (pnfSelfLink != null && pnfSelfLink.equals(selfLink)) {
LOGGER.info("Found matching pnf for selflink: {}, pnf-id: {}", pnfSelfLink,
pnfId);
result.add(pnf);
}
}
});
return result;
}
LOGGER.error("No match found for selflink: {}", selfLink);
return Collections.emptyList();
}
@Override
public boolean deletePnf(String pnfId, String resourceVersion) {
final Optional<Pnf> optional = getPnf(pnfId);
if (optional.isPresent()) {
final Pnf pnf = optional.get();
if (pnf.getResourceVersion() != null && pnf.getResourceVersion().equals(resourceVersion)) {
LOGGER.info("Will evict pnf from cache with pnfId: {}", pnf.getPnfId());
cache.evict(pnfId);
return true;
}
}
LOGGER.error("Unable to find Pnf for pnfId: {} and resourceVersion: {} ...", pnfId, resourceVersion);
return false;
}
@Override
public void clearAll() {
clearCache(cache.getName());
}
}
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