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/*-
* ============LICENSE_START==========================================
* ONAP Portal
* ===================================================================
* Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
* ===================================================================
*
* Unless otherwise specified, all software contained herein is licensed
* under the Apache License, Version 2.0 (the "License");
* you may not use this software 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.
*
* Unless otherwise specified, all documentation contained herein is licensed
* under the Creative Commons License, Attribution 4.0 Intl. (the "License");
* you may not use this documentation except in compliance with the License.
* You may obtain a copy of the License at
*
* https://creativecommons.org/licenses/by/4.0/
*
* Unless required by applicable law or agreed to in writing, documentation
* 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.
*
* ============LICENSE_END============================================
*
*
*/
package org.onap.portalapp.portal.service;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import javax.annotation.PostConstruct;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.EnableAspectJAutoProxy;
import org.springframework.stereotype.Service;
import org.onap.portalapp.portal.domain.EPApp;
import org.onap.portalapp.portal.logging.aop.EPMetricsLog;
import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.onap.portalapp.portal.service.AppsCacheService;
import org.onap.portalapp.portal.service.AppsCacheServiceImple;
import org.onap.portalapp.portal.transport.OnboardingApp;
import org.onap.portalapp.portal.utils.EPCommonSystemProperties;
@Service("appsCacheService")
@org.springframework.context.annotation.Configuration
@EnableAspectJAutoProxy
@EPMetricsLog
public class AppsCacheServiceImple implements AppsCacheService {
@Autowired
EPAppService appsService;
EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(AppsCacheServiceImple.class);
final class CacheConfiguration {
private long updateTime = 0;
private int updateInterval = 10;
public CacheConfiguration (long _updateTime, int _updateInterval) {
updateTime = _updateTime;
updateInterval = _updateInterval;
}
}
CacheConfiguration quickRefreshCacheConf = null;
CacheConfiguration slowRefreshCacheConf = null;
private static volatile Map<Long, EPApp> appsMap;
private static volatile Map<String, EPApp> uebAppsMap;
@PostConstruct
public void init() {
quickRefreshCacheConf = new CacheConfiguration(0, 120);
slowRefreshCacheConf = new CacheConfiguration(0, 3600);
this.refreshAppsMap(quickRefreshCacheConf);
}
private void refreshAppsMap(CacheConfiguration conf) {
long now = System.currentTimeMillis();
if(noNeedToUpdate(now, conf))
return;
synchronized (this) {
if(noNeedToUpdate(now, conf))
return;
List<EPApp> allApps = appsService.getAppsFullList();
Map<Long, EPApp> newAppsMap = new HashMap<Long, EPApp>();
for (EPApp app : allApps) {
newAppsMap.put(app.getId(), app);
}
Map<String, EPApp> newUebAppsMap = new HashMap<String, EPApp>();
for (EPApp app : allApps) {
newUebAppsMap.put(app.getUebKey(), app);
}
// Switch cache with the new one.
appsMap = newAppsMap;
uebAppsMap = newUebAppsMap;
conf.updateTime = now;
}
}
private boolean noNeedToUpdate(long now, CacheConfiguration conf) {
long secondsPassed = (now - conf.updateTime)/1000;
if(secondsPassed < conf.updateInterval){
logger.debug(EELFLoggerDelegate.debugLogger, "no need to refresh yet, seconds since last refresh: " + secondsPassed + ", refresh interval (sec) = " + conf.updateInterval);
return true; // no need to update cache
}
return false; // its time to update
}
@Override
public String getAppEndpoint(Long appId) {
refreshAppsMap(quickRefreshCacheConf);
EPApp app = appsMap.get(appId);
if(app != null)
return app.getAppRestEndpoint();
return null;
}
@SuppressWarnings("unchecked")
@Override
public List<OnboardingApp> getAppsFullList() {
refreshAppsMap(quickRefreshCacheConf);
List<EPApp> appList = new ArrayList<EPApp> (appsMap.values());
appList.removeIf(app -> app.getId() == 1);
List<EPApp> appsFinalList = appList.stream()
.filter(app -> app.getEnabled() == true && app.getOpen() == false).collect(Collectors.toList());
List<OnboardingApp> onboardingAppsList = new ArrayList<OnboardingApp>();
for (EPApp app : appsFinalList) {
OnboardingApp onboardingApp = new OnboardingApp();
appsService.createOnboardingFromApp(app, onboardingApp);
onboardingAppsList.add(onboardingApp);
}
return onboardingAppsList;
}
@Override
public EPApp getApp(Long appId) {
refreshAppsMap(quickRefreshCacheConf);
EPApp app = appsMap.get(appId);
if(app != null)
return app;
return null;
}
@Override
public EPApp getAppFromUeb(String appKey) {
return getAppFromUeb(appKey,0);
}
@Override
public EPApp getAppFromUeb(String appKey, Integer quickCacheRefresh) {
refreshAppsMap(quickCacheRefresh == 1 ? quickRefreshCacheConf:slowRefreshCacheConf);
EPApp app = uebAppsMap.get(appKey);
if(app != null)
return app;
return null;
}
}
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