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/*-
 * ============LICENSE_START=======================================================
 * org.openecomp.aai
 * ================================================================================
 * 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.aai.util;

import java.io.IOException;

import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;

//import org.apache.activemq.broker.BrokerService;

import org.openecomp.aai.dbmap.AAIGraph;
import org.openecomp.aai.exceptions.AAIException;
import org.openecomp.aai.introspection.ModelInjestor;
import org.openecomp.aai.logging.ErrorLogHelper;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;

public class AAIAppServletContextListener implements ServletContextListener {

	private static final EELFLogger LOGGER = EELFManager.getInstance().getLogger(AAIAppServletContextListener.class.getName());	
	
	//private BrokerService broker = new BrokerService();

	/**
	 * Destroys Context
	 * 
	 * @param arg0 the ServletContextEvent
	 */
	public void contextDestroyed(ServletContextEvent arg0) {		
		LOGGER.info("AAIGraph shutting down");
		AAIGraph.getInstance().graphShutdown();
		LOGGER.info("AAIGraph shutdown");

		//try {
			////broker.stop();
		//} catch (Exception e) {
			//// TODO Auto-generated catch block
			//e.printStackTrace();
		//}
	}

	/**
	 * Initializes Context
	 * 
	 * @param arg0 the ServletContextEvent
	 */
	public void contextInitialized(ServletContextEvent arg0) {
		System.setProperty("org.openecomp.aai.serverStarted", "false");
		LOGGER.info("***AAI Server initialization started...");

		try {
			LOGGER.info("Loading aaiconfig.properties");
			AAIConfig.init();

			LOGGER.info("Loading error.properties");
			ErrorLogHelper.loadProperties();

			LOGGER.info("Loading graph database");

			AAIGraph.getInstance();
			ModelInjestor.getInstance();

			// Jsm internal broker for aai events
			//broker = new BrokerService();
			//broker.addConnector("tcp://localhost:61446");
			//broker.setPersistent(false);
			//broker.setUseJmx(false);
			//broker.setSchedulerSupport(false);
			//broker.start();

			LOGGER.info("AAI Server initialization succcessful.");
			System.setProperty("org.openecomp.aai.serverStarted", "true");

		} catch (AAIException e) {
			ErrorLogHelper.logException(e);
			throw new RuntimeException("AAIException caught while initializing AAI server", e);
		} catch (IOException e) {
			ErrorLogHelper.logError("AAI_4000", e.getMessage());
			throw new RuntimeException("IOException caught while initializing AAI server", e);
		} catch (Exception e) {
			LOGGER.error("Unknown failure while initializing AAI Server", e);
			throw new RuntimeException("Unknown failure while initializing AAI server", e);
		}

		LOGGER.info("Graph-Query MicroService Started");
		LOGGER.error("Graph-Query MicroService Started");
		LOGGER.debug("Graph-Query MicroService Started");

	}
}