com.atomikos.icatch.admin.jmx.JmxRegistry Maven / Gradle / Ivy
/**
* Copyright (C) 2000-2010 Atomikos
*
* This code ("Atomikos TransactionsEssentials"), by itself,
* is being distributed under the
* Apache License, Version 2.0 ("License"), a copy of which may be found at
* http://www.atomikos.com/licenses/apache-license-2.0.txt .
* You may not use this file except in compliance with the License.
*
* While the License grants certain patent license rights,
* those patent license rights only extend to the use of
* Atomikos TransactionsEssentials by itself.
*
* This code (Atomikos TransactionsEssentials) contains certain interfaces
* in package (namespace) com.atomikos.icatch
* (including com.atomikos.icatch.Participant) which, if implemented, may
* infringe one or more patents held by Atomikos.
* It should be appreciated that you may NOT implement such interfaces;
* licensing to implement these interfaces must be obtained separately from Atomikos.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*/
package com.atomikos.icatch.admin.jmx;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import javax.management.MBeanServer;
import javax.management.ObjectName;
/**
* This class acts both as a JMX MBean ( allowing registration ) and as a
* registry (keeping server references statically). Clients can get a handle to
* a particular MBean server.
*/
public class JmxRegistry implements JmxRegistryMBean
{
private static Map servers = new HashMap ();
// key=instance that received server handle; value=server handle
public static Iterator getServers ()
{
return servers.entrySet ().iterator ();
}
protected static synchronized void addServer ( JmxRegistry adder ,
MBeanServer server )
{
servers.put ( adder, server );
}
protected static synchronized void removeServer ( JmxRegistry adder )
{
servers.remove ( adder );
}
public JmxRegistry ()
{
super ();
}
public ObjectName preRegister ( MBeanServer arg0 , ObjectName arg1 )
throws Exception
{
addServer ( this, arg0 );
return null;
}
public void postRegister ( Boolean arg0 )
{
}
public void preDeregister () throws Exception
{
removeServer ( this );
}
public void postDeregister ()
{
}
}