diff options
Diffstat (limited to 'ecomp-portal-BE-os/src/main/java/org/onap/portalapp/portal/service/AppsCacheServiceImple.java')
-rw-r--r-- | ecomp-portal-BE-os/src/main/java/org/onap/portalapp/portal/service/AppsCacheServiceImple.java | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/ecomp-portal-BE-os/src/main/java/org/onap/portalapp/portal/service/AppsCacheServiceImple.java b/ecomp-portal-BE-os/src/main/java/org/onap/portalapp/portal/service/AppsCacheServiceImple.java new file mode 100644 index 00000000..f884d4e7 --- /dev/null +++ b/ecomp-portal-BE-os/src/main/java/org/onap/portalapp/portal/service/AppsCacheServiceImple.java @@ -0,0 +1,124 @@ +/*- + * ============LICENSE_START========================================== + * ONAP Portal + * =================================================================== + * Copyright (C) 2017 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============================================ + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.portalapp.portal.service; + +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import javax.annotation.PostConstruct; + +import org.onap.portalapp.portal.domain.EPApp; +import org.onap.portalapp.portal.logging.aop.EPMetricsLog; +import org.onap.portalapp.portal.service.AppsCacheService; +import org.onap.portalapp.portal.service.EPAppService; +import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.context.annotation.EnableAspectJAutoProxy; +import org.springframework.stereotype.Service; + +@Service("appsCacheService") +@org.springframework.context.annotation.Configuration +@EnableAspectJAutoProxy +@EPMetricsLog +public class AppsCacheServiceImple implements AppsCacheService { + @Autowired + EPAppService appsService; + + EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(AppsCacheServiceImple.class); + + private static long updateTime = 0; + private static final int cacheUpdateIntervalInSeconds = 10; + + private static volatile Map<Long, EPApp> appsMap; + + @PostConstruct + public void init() { + this.refreshAppsMap(); + } + + private Map<Long, EPApp> refreshAppsMap() { + long now = System.currentTimeMillis(); + + if(noNeedToUpdate(now)) + return null; + + synchronized (this) { + if(noNeedToUpdate(now)) + return null; + List<EPApp> allApps = appsService.getAppsFullList(); + Map<Long, EPApp> newAppsMap = new HashMap<Long, EPApp>(); + for (EPApp app : allApps) { + newAppsMap.put(app.getId(), app); + } + // Switch cache with the new one. + appsMap = newAppsMap; + updateTime = now; + } + + return appsMap; + } + + private boolean noNeedToUpdate(long now) { + long secondsPassed = (now - updateTime)/1000; + if(secondsPassed < cacheUpdateIntervalInSeconds){ + logger.debug(EELFLoggerDelegate.debugLogger, "no need to refresh yet, seconds since last refresh: " + secondsPassed + ", refresh interval (sec) = " + cacheUpdateIntervalInSeconds); + return true; // no need to update cache + } + return false; // its time to update + } + + @Override + public String getAppEndpoint(Long appId) { + refreshAppsMap(); + EPApp app = appsMap.get(appId); + if(app != null) + return app.getAppRestEndpoint(); + return null; + } + + @Override + public EPApp getApp(Long appId) { + refreshAppsMap(); + EPApp app = appsMap.get(appId); + if(app != null) + return app; + return null; + } + +} |