/*
* Copyright (C) The MX4J Contributors.
* All rights reserved.
*
* This software is distributed under the terms of the MX4J License version 1.0.
* See the terms of the MX4J License in the documentation provided with this software.
*/
package javax.management;
import mx4j.server.MX4JMBeanServerBuilder;
/**
* <p>This class is used by the {@link javax.management.MBeanServerFactory} to delegate the
* creation of new instances of {@link javax.management.MBeanServerDelegate} and
* {@link javax.management.MBeanServer}.
* This implementation further delegates the work to {@link mx4j.server.MX4JMBeanServerBuilder}
* to return implementations in the <code>mx4j.server</code> package.</p>
* <p/>
* <p>The {@link javax.management.MBeanServerFactory} creates the delegate before
* creating the MBeanServer itself and providing a reference to the created delegate.
* Note that the delegate passed to the MBeanServer might not be the instance returned
* by this builder; for example, it could be a wrapper around it.</p>
*
* @version $Revision: 1.10 $
* @see MBeanServer
* @see MBeanServerFactory
*/
public class MBeanServerBuilder
{
/**
* The builder to which this implementation delegates all operations.
*/
private MBeanServerBuilder builder;
/**
* This method creates a new MBeanServerDelegate for a new MBeanServer.
*
* @return A new {@link javax.management.MBeanServerDelegate}.
*/
public MBeanServerDelegate newMBeanServerDelegate()
{
return builderDelegate().newMBeanServerDelegate();
}
/**
* Returns a new MBeanServer instance.
*
* @return A new private implementation of an MBeanServer.
*/
public MBeanServer newMBeanServer(String defaultDomain, MBeanServer outer, MBeanServerDelegate delegate)
{
return builderDelegate().newMBeanServer(defaultDomain, outer, delegate);
}
/**
* Returns the delegate builder.
*
* @return the delegate builder.
*/
private synchronized MBeanServerBuilder builderDelegate()
{
if (builder == null)
builder = new MX4JMBeanServerBuilder();
return builder;
}
}