org.rotarysource.standalone.ServerShellMain.java Source code

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Here is the source code for org.rotarysource.standalone.ServerShellMain.java

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/*
Copyright (c) 2013 J. L. Canales Gasco
     
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
     
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
     
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}]
*/
package org.rotarysource.standalone;

import java.nio.charset.Charset;

import org.rotarysource.core.CepEngine;
import org.rotarysource.signals.shutdown.ShutdownEventListener;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.jms.listener.AbstractMessageListenerContainer;

//import com.espertech.esper.example.servershell.jmx.EPServiceProviderJMX;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class ServerShellMain {
    private static Log log = LogFactory.getLog(ServerShellMain.class);

    public static void main(String[] args) throws Exception {
        try {
            log.info("System properties information : file.encoding=" + Charset.defaultCharset().name());
            new ServerShellMain();
        } catch (Exception t) {
            log.error("Error starting server shell: " + t.getMessage(), t);
            System.exit(-1);
        }
    }

    public ServerShellMain() throws Exception {
        log.info("CEP System version: 1.1.2.RELEASE");
        log.info("Starting server shell");

        // Initialize engine
        log.info("Getting Esper engine instance");
        ApplicationContext springAppContext = new ClassPathXmlApplicationContext("AppContext.xml");

        CepEngine statementEngine = (CepEngine) springAppContext.getBean("cepEngine");

        // Connect to JMS
        log.info("Connecting to JMS server through a Listener Container");
        AbstractMessageListenerContainer jmsListenerContainer = (AbstractMessageListenerContainer) springAppContext
                .getBean("listenerContainer");

        jmsListenerContainer.start();

        // Register shutdown hook
        Runtime.getRuntime().addShutdownHook(new Thread() {
            public void run() {
                /*                      ApplicationContext springAppContext = new ClassPathXmlApplicationContext("AppContext.xml");
                    
                 ShutdownEvent event = new ShutdownEvent(this, "Shutdown Event triggered by main shutdownHook");
                 springAppContext.publishEvent( event);
                */
            }
        });

        log.info("Statements Processor started.");
        ShutdownEventListener shutdownEventListener = (ShutdownEventListener) springAppContext
                .getBean("shutdownEventListener");

        do {
            // sleep
            Thread.sleep(1000);

        } while (!shutdownEventListener.isShudownExecuted());

        ((ConfigurableApplicationContext) springAppContext).close();
        log.info("EVENT DRIVEN CONTROL SYSTEM: Finished");

        System.exit(-1);
    }

}