Alternative

JmxAppExample-alt.java

package org.eclipse.jetty.jmx;

import java.lang.management.ManagementFactory;
import java.util.concurrent.CountDownLatch;

import org.eclipse.jetty.util.annotation.ManagedAttribute;
import org.eclipse.jetty.util.annotation.ManagedObject;
import org.eclipse.jetty.util.annotation.ManagedOperation;
import org.eclipse.jetty.util.component.ContainerLifeCycle;
import org.eclipse.jetty.util.component.LifeCycle;

public class JmxAppExample
{

    @ManagedObject("this is some doco")
    public static class MyMainObject extends ContainerLifeCycle
    {
        private int _value;

        @ManagedAttribute("Some value that can be set and got from")
        public int getValue()
        {
            return _value;
        }

        public void setValue(int value)
        {
            _value = value;
        }
        
        @ManagedOperation
        public void doSomething()
        {
            System.err.println("something!");
        }

        @ManagedAttribute()
        public NestedObject getNested()
        {
            return getBean(NestedObject.class);
        }

        public void setNested(NestedObject nested)
        {
            addBean(nested);
        }
        
        
        
    }
    

    @ManagedObject
    public static class NestedObject 
    {
        private long _readOnly;

        @ManagedAttribute("Some value that is read only")
        public long getReadOnly()
        {
            return _readOnly;
        }

        
        @ManagedOperation
        public void doSomething()
        {
            _readOnly=System.currentTimeMillis();
        }
    }
    
    
    
    public static void main(String... args) throws Exception
    {
        MBeanContainer mbeanContainer = new MBeanContainer(ManagementFactory.getPlatformMBeanServer());
        
        
        MyMainObject main = new MyMainObject();
        main.addBean(mbeanContainer);
        main.start();
        
        
        main.setNested(new NestedObject());
        
        
        // TODO add default methods to Listener
        final CountDownLatch stopped = new CountDownLatch(1);
        main.addLifeCycleListener(new LifeCycle.Listener()
        {
            
            @Override
            public void lifeCycleStopping(LifeCycle event)
            {
            }
            
            @Override
            public void lifeCycleStopped(LifeCycle event)
            {
                stopped.countDown();
            }
            
            @Override
            public void lifeCycleStarting(LifeCycle event)
            {
            }
            
            @Override
            public void lifeCycleStarted(LifeCycle event)
            {
            }
            
            @Override
            public void lifeCycleFailure(LifeCycle event, Throwable cause)
            {
                stopped.countDown();
            }
        });
        stopped.await();
    }
    
}