/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.mx.remoting;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import javax.management.MBeanServer;
import org.jboss.logging.Logger;
import org.jboss.remoting.InvokerLocator;
/**
* MBeanServerRegistry is a registry for remote MBeanServer proxies that are registered in the local
* JVM.
*
* @author <a href="mailto:jhaynie@vocalocity.net">Jeff Haynie</a>
* @version $Revision: 81023 $
*/
public class MBeanServerRegistry
{
private static final Logger log = Logger.getLogger(MBeanServerRegistry.class.getName());
private static final Map serversById = Collections.synchronizedMap(new HashMap());
private static final Map serversByLocator = Collections.synchronizedMap(new HashMap());
/**
* return true if the remote MbeanServer is registered for the given MBeanServer ID
*
* @param id
* @return
*/
public static final boolean isMBeanServerRegistered(String id)
{
return getMBeanServerFor(id) != null;
}
/**
* return the MBeanServer proxy for a given MBeanServer id, or null if none registered
*
* @param id
* @return
*/
public static final MBeanServer getMBeanServerFor(String id)
{
return (MBeanServer) serversById.get(id);
}
/**
* returns true if the remote MBeanServer proxy is registered for the given locator
*
* @param locator
* @return
*/
public static final boolean isMBeanServerRegistered(InvokerLocator locator)
{
return getMBeanServerFor(locator) != null;
}
/**
* return the MBeanServer proxy for a given InvokerLocator, or null if none registered
*
* @param locator
* @return
*/
public static final MBeanServer getMBeanServerFor(InvokerLocator locator)
{
return (MBeanServer) serversByLocator.get(locator);
}
static synchronized void register(MBeanServer server, MBeanServerClientInvokerProxy proxy)
{
String serverid = proxy.getServerId();
serversById.put(serverid, server);
serversByLocator.put(proxy.getLocator(), server);
if(log.isTraceEnabled())
{
log.trace("register called with proxy: " + proxy + " and serverid: " + serverid);
}
}
static synchronized void unregister(MBeanServerClientInvokerProxy proxy)
{
String serverid = proxy.getServerId();
serversById.remove(serverid);
serversByLocator.remove(proxy.getLocator());
if(log.isTraceEnabled())
{
log.trace("unregister called with proxy: " + proxy + " and serverid: " + serverid);
}
}
}