thoerup/traininfoservice/CircuitBreakerListener.java

package dk.thoerup.traininfoservice;

import java.util.logging.Logger;

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

import dk.thoerup.circuitbreaker.AccountingCircuitBreaker;
import dk.thoerup.circuitbreaker.CircuitBreakerManager;
import dk.thoerup.circuitbreaker.jmx.JMXWrapper;
import dk.thoerup.circuitbreaker.notification.JavaLogNotifier;

/**
 * Application Lifecycle Listener implementation class JmxListener
 *
 */

public class CircuitBreakerListener implements ServletContextListener {

        Logger logger = Logger.getLogger(CircuitBreakerListener.class.getName());

    public CircuitBreakerListener() {
    }

        /**
     * @see ServletContextListener#contextInitialized(ServletContextEvent)
     */
    public void contextInitialized(ServletContextEvent sce) {
        logger.warning("Context Init");
        
        int threshold = Integer.parseInt(sce.getServletContext().getInitParameter("banedk_threshold") );
        int timeout = Integer.parseInt( sce.getServletContext().getInitParameter("banedk_timeout") );
        CircuitBreakerManager mgr = CircuitBreakerManager.getManager();
        
                AccountingCircuitBreaker banedk = new AccountingCircuitBreaker("banedk", threshold, timeout);
                banedk.setNotifier( new JavaLogNotifier() );
                mgr.addCircuitBreaker( banedk );
                
                AccountingCircuitBreaker metro = new AccountingCircuitBreaker("metro", threshold, timeout);
                metro.setNotifier( new JavaLogNotifier() );
                mgr.addCircuitBreaker( metro );
                
                //JMXWrapper.registerAllCircuitBreakers();
    }

        /**
     * @see ServletContextListener#contextDestroyed(ServletContextEvent)
     */
    public void contextDestroyed(ServletContextEvent sce) {
        logger.warning("Context Destroyed");
                CircuitBreakerManager.getManager().removeCircuitBreaker("banedk");

        //JMXWrapper.unregisterAllCircuitBreakers();
    }
        
}
1	package dk.thoerup.traininfoservice;
2
3	import java.util.logging.Logger;
4
5	import javax.servlet.ServletContextEvent;
6	import javax.servlet.ServletContextListener;
7
8	import dk.thoerup.circuitbreaker.AccountingCircuitBreaker;
9	import dk.thoerup.circuitbreaker.CircuitBreakerManager;
10	import dk.thoerup.circuitbreaker.jmx.JMXWrapper;
11	import dk.thoerup.circuitbreaker.notification.JavaLogNotifier;
12
13	/**
14	* Application Lifecycle Listener implementation class JmxListener
15	*
16	*/
17
18	public class CircuitBreakerListener implements ServletContextListener {
19
20	Logger logger = Logger.getLogger(CircuitBreakerListener.class.getName());
21
22	public CircuitBreakerListener() {
23	}
24
25	/**
26	* @see ServletContextListener#contextInitialized(ServletContextEvent)
27	*/
28	public void contextInitialized(ServletContextEvent sce) {
29	logger.warning("Context Init");
30
31	int threshold = Integer.parseInt(sce.getServletContext().getInitParameter("banedk_threshold") );
32	int timeout = Integer.parseInt( sce.getServletContext().getInitParameter("banedk_timeout") );
33	CircuitBreakerManager mgr = CircuitBreakerManager.getManager();
34
35	AccountingCircuitBreaker banedk = new AccountingCircuitBreaker("banedk", threshold, timeout);
36	banedk.setNotifier( new JavaLogNotifier() );
37	mgr.addCircuitBreaker( banedk );
38
39	AccountingCircuitBreaker metro = new AccountingCircuitBreaker("metro", threshold, timeout);
40	metro.setNotifier( new JavaLogNotifier() );
41	mgr.addCircuitBreaker( metro );
42
43	//JMXWrapper.registerAllCircuitBreakers();
44	}
45
46	/**
47	* @see ServletContextListener#contextDestroyed(ServletContextEvent)
48	*/
49	public void contextDestroyed(ServletContextEvent sce) {
50	logger.warning("Context Destroyed");
51	CircuitBreakerManager.getManager().removeCircuitBreaker("banedk");
52
53	//JMXWrapper.unregisterAllCircuitBreakers();
54	}
55
56	}