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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.sdc.fe.listen;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import org.openecomp.sdc.common.api.Constants;
import org.openecomp.sdc.common.impl.ExternalConfiguration;
import org.openecomp.sdc.common.listener.AppContextListener;
import org.openecomp.sdc.fe.config.ConfigurationManager;
import org.openecomp.sdc.fe.impl.PluginStatusBL;
import org.openecomp.sdc.fe.monitoring.FeMonitoringService;
import org.openecomp.sdc.fe.servlets.HealthCheckService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class FEAppContextListener extends AppContextListener implements ServletContextListener {
private static Logger log = LoggerFactory.getLogger(FEAppContextListener.class.getName());
public void contextInitialized(ServletContextEvent context) {
super.contextInitialized(context);
ConfigurationManager configurationManager = new ConfigurationManager(
ExternalConfiguration.getConfigurationSource());
log.debug("loading configuration from configDir:{} appName:{}", ExternalConfiguration.getConfigDir(),
ExternalConfiguration.getAppName());
context.getServletContext().setAttribute(Constants.CONFIGURATION_MANAGER_ATTR, configurationManager);
PluginStatusBL pbl = new PluginStatusBL();
context.getServletContext().setAttribute(Constants.PLUGIN_BL_COMPONENT, pbl);
// Health Check service
HealthCheckService hcs = new HealthCheckService(context.getServletContext());
hcs.start(configurationManager.getConfiguration().getHealthCheckIntervalInSeconds(5));
context.getServletContext().setAttribute(Constants.HEALTH_CHECK_SERVICE_ATTR, hcs);
// Monitoring service
FeMonitoringService fms = new FeMonitoringService(context.getServletContext());
fms.start(configurationManager.getConfiguration().getSystemMonitoring().getProbeIntervalInSeconds(15));
if (configurationManager.getConfiguration() == null) {
log.debug("ERROR: configuration was not properly loaded");
return;
}
ExecutorService executorPool = Executors
.newFixedThreadPool(configurationManager.getConfiguration().getThreadpoolSize());
context.getServletContext().setAttribute(Constants.THREAD_EXECUTOR_ATTR, executorPool);
log.debug("After executing {}", this.getClass());
}
public void contextDestroyed(ServletContextEvent context) {
ExecutorService executorPool = (ExecutorService) context.getServletContext()
.getAttribute(Constants.THREAD_EXECUTOR_ATTR);
if (executorPool != null) {
executorPool.shutdown();
}
super.contextDestroyed(context);
}
}
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