de.xatc.server.ShutdownHook.java Source code

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Here is the source code for de.xatc.server.ShutdownHook.java

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/*
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package de.xatc.server;

import de.mytools.tools.dateandtime.SQLDateTimeTools;
import de.xatc.server.config.ServerConfig;
import de.xatc.server.db.DBSessionManager;
import de.xatc.server.db.entities.LastRun;
import de.xatc.server.mq.consumers.MQAbstractConsumer;
import de.xatc.server.mq.producers.MQMessageSender;
import java.util.List;
import java.util.Map;
import org.apache.log4j.Logger;
import org.hibernate.Session;
import org.hibernate.criterion.DetachedCriteria;
import org.hibernate.criterion.Projections;
import org.hibernate.criterion.Property;

/**
 *
 * @author Mirko Bubel (mirko_bubel@hotmail.com)
 */
public class ShutdownHook {

    private static final Logger LOG = Logger.getLogger(ShutdownHook.class.getName());

    public static void attachShutDownHook() {

        LOG.info("Attaching ShutDownHook");
        Runtime.getRuntime().addShutdownHook(new Thread() {
            @Override
            public void run() {
                LOG.info("ShutDownHook Running");
                Session session = DBSessionManager.getSession();

                DetachedCriteria maxId = DetachedCriteria.forClass(LastRun.class)
                        .setProjection(Projections.max("id"));
                List<LastRun> lastRunList = session.createCriteria(LastRun.class)
                        .add(Property.forName("id").eq(maxId)).list();

                LastRun lr = lastRunList.get(0);
                LOG.info("SHUTDOWN HOOK: LastRun StartDate: " + lr.getStartDate());
                lr.setEndDate(SQLDateTimeTools.getTimeStampOfNow());
                session.saveOrUpdate(lr);
                DBSessionManager.closeSession(session);

                //shutdown all mq producers
                LOG.info("Shutting Down all Message Producers for MQ");
                for (Map.Entry<String, MQMessageSender> entry : ServerConfig.getMessageSenders().entrySet()) {

                    LOG.info("Shutting down messageSende: " + entry.getValue().getQueueName());
                    entry.getValue().shutdownProducer();

                }

                //shutdown all Consumers
                for (Map.Entry<String, MQAbstractConsumer> entry : ServerConfig.getMessageReceivers().entrySet()) {

                    LOG.info("Shutting down messageReceiver: " + entry.getValue().getQueueName());
                    entry.getValue().shutdownConsumer();

                }

                //shutdown MQBroker
                if (ServerConfig.getMqBrokerManager() != null) {
                    try {
                        ServerConfig.getMqBrokerManager().shutdownBroker();
                    } catch (Exception ex) {
                        LOG.error(ex.getLocalizedMessage());
                        ex.printStackTrace(System.err);
                    }
                }

                DBSessionManager.shutdownDB();

            }
        });
        LOG.info("Shut Down Hook Attached.");

    }

}