se.l4.vibe.backend.JmxBackend Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of vibe-api Show documentation
There is a newer version: 0.4.0
package se.l4.vibe.backend;

import java.lang.management.ManagementFactory;

import javax.management.InstanceAlreadyExistsException;
import javax.management.MBeanRegistrationException;
import javax.management.MBeanServer;
import javax.management.MalformedObjectNameException;
import javax.management.NotCompliantMBeanException;
import javax.management.ObjectName;

import se.l4.vibe.event.Events;
import se.l4.vibe.internal.jmx.ProbeBean;
import se.l4.vibe.internal.jmx.ServiceMBeanBridge;
import se.l4.vibe.internal.jmx.SamplerBean;
import se.l4.vibe.internal.service.Service;
import se.l4.vibe.internal.service.ServiceImpl;
import se.l4.vibe.probes.Probe;
import se.l4.vibe.probes.Sampler;
import se.l4.vibe.timer.Timer;

/**
 * JMX backend that will export everything via JMX.
 * 
 * @author Andreas Holstenson
 *
 */
public class JmxBackend
	implements VibeBackend
{
	private final MBeanServer server;
	private final String root;

	public JmxBackend()
	{
		this("vibe");
	}
	
	public JmxBackend(String root)
	{
		this(root, ManagementFactory.getPlatformMBeanServer());
	}
	
	public JmxBackend(MBeanServer server)
	{
		this("vibe", server);
	}

	public JmxBackend(String root, MBeanServer server)
	{
		// Cut of last . if any
		this.root = root.charAt(root.length() - 1) == '.'
			? root.substring(0, root.length() - 1)
			: root;
		this.server = server;
	}
	
	/**
	 * Translate a path into a JMX location.
	 * 
	 * @param path
	 * @return
	 */
	private String toJmxLocation(String path)
	{
		StringBuilder builder = new StringBuilder(path.length());
		int lastSeparator = path.lastIndexOf('/');
		
		if(! "".equals(root))
		{
			// Append the root domain
			builder
				.append(root)
				.append(".");
		}
		
		if(lastSeparator == -1)
		{
			// No separator, append name directly
			builder.append(":name=");
		}
		
		for(int i=0, n=path.length(); i series)
	{
		export(path, new SamplerBean(series));
	}

	@Override
	public void export(String path, Probe probe)
	{
		export(path, new ProbeBean(probe));
	}

	@Override
	public void export(String path, Events events)
	{
		// TODO Auto-generated method stub
		
	}
	
	@Override
	public void export(String path, Timer timer)
	{
		// TODO Auto-generated method stub
		
	}
	
	@Override
	public void close()
	{
	}
}