2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
20 package org.openecomp.sdc.fe.listen;
22 import java.util.concurrent.ExecutorService;
23 import java.util.concurrent.Executors;
24 import javax.servlet.ServletContextEvent;
25 import javax.servlet.ServletContextListener;
26 import org.openecomp.sdc.common.api.Constants;
27 import org.openecomp.sdc.common.impl.ExternalConfiguration;
28 import org.openecomp.sdc.common.listener.AppContextListener;
29 import org.openecomp.sdc.common.log.wrappers.Logger;
30 import org.openecomp.sdc.fe.config.ConfigurationManager;
31 import org.openecomp.sdc.fe.impl.HealthCheckService;
32 import org.openecomp.sdc.fe.impl.PluginStatusBL;
33 import org.openecomp.sdc.fe.monitoring.FeMonitoringService;
35 public class FEAppContextListener extends AppContextListener implements ServletContextListener {
37 private static final int HEALTH_CHECHK_INTERVALE = 5;
38 private static final int PROBE_INTERVALE = 15;
39 private static Logger log = Logger.getLogger(FEAppContextListener.class.getName());
41 public void contextInitialized(ServletContextEvent context) {
42 super.contextInitialized(context);
43 ConfigurationManager configurationManager = new ConfigurationManager(ExternalConfiguration.getConfigurationSource());
44 log.debug("loading configuration from configDir:{} appName:{}", ExternalConfiguration.getConfigDir(), ExternalConfiguration.getAppName());
45 context.getServletContext().setAttribute(Constants.CONFIGURATION_MANAGER_ATTR, configurationManager);
46 PluginStatusBL pbl = new PluginStatusBL();
47 context.getServletContext().setAttribute(Constants.PLUGIN_BL_COMPONENT, pbl);
48 // Health Check service
49 HealthCheckService hcs = new HealthCheckService(context.getServletContext());
50 hcs.start(configurationManager.getConfiguration().getHealthCheckIntervalInSeconds(HEALTH_CHECHK_INTERVALE));
51 context.getServletContext().setAttribute(Constants.HEALTH_CHECK_SERVICE_ATTR, hcs);
53 FeMonitoringService fms = new FeMonitoringService(context.getServletContext());
54 fms.start(configurationManager.getConfiguration().getSystemMonitoring().getProbeIntervalInSeconds(PROBE_INTERVALE));
55 if (configurationManager.getConfiguration() == null) {
56 log.debug("ERROR: configuration was not properly loaded");
59 ExecutorService executorPool = Executors.newFixedThreadPool(configurationManager.getConfiguration().getThreadpoolSize());
60 context.getServletContext().setAttribute(Constants.THREAD_EXECUTOR_ATTR, executorPool);
61 log.debug("After executing {}", this.getClass());
64 public void contextDestroyed(ServletContextEvent context) {
65 ExecutorService executorPool = (ExecutorService) context.getServletContext().getAttribute(Constants.THREAD_EXECUTOR_ATTR);
66 if (executorPool != null) {
67 executorPool.shutdown();
69 super.contextDestroyed(context);