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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.qpid.server.jmx.mbeans;
import org.apache.log4j.Logger;
import org.apache.qpid.server.jmx.AMQManagedObject;
import org.apache.qpid.server.jmx.ManagedObject;
import org.apache.qpid.server.jmx.ManagedObjectRegistry;
import org.apache.qpid.server.model.ConfigurationChangeListener;
import org.apache.qpid.server.model.ConfiguredObject;
import org.apache.qpid.server.model.Connection;
import org.apache.qpid.server.model.Exchange;
import org.apache.qpid.server.model.Queue;
import org.apache.qpid.server.model.State;
import org.apache.qpid.server.model.VirtualHost;
import org.apache.qpid.server.virtualhost.ManagedVirtualHost;
import javax.management.JMException;
import javax.management.ObjectName;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
public class VirtualHostMBean extends AMQManagedObject implements ManagedVirtualHost, ConfigurationChangeListener
{
private static final Logger LOGGER = Logger.getLogger(VirtualHostMBean.class);
private final VirtualHost _virtualHost;
private final Map<ConfiguredObject, AMQManagedObject> _children =
new HashMap<ConfiguredObject, AMQManagedObject>();
private VirtualHostManagerMBean _managerMBean;
public VirtualHostMBean(VirtualHost virtualHost, ManagedObjectRegistry registry) throws JMException
{
super(ManagedVirtualHost.class, ManagedVirtualHost.TYPE, registry);
_virtualHost = virtualHost;
virtualHost.addChangeListener(this);
initQueues();
initExchanges();
initConnections();
//This is the actual JMX bean for this 'VirtualHostMBean', leave it alone.
_managerMBean = new VirtualHostManagerMBean(this);
}
private void initQueues() throws JMException
{
synchronized (_children)
{
for(Queue queue : _virtualHost.getQueues())
{
if(!_children.containsKey(queue))
{
_children.put(queue, new QueueMBean(queue, this));
}
}
}
}
private void initExchanges() throws JMException
{
synchronized (_children)
{
for(Exchange exchange : _virtualHost.getExchanges())
{
if(!_children.containsKey(exchange))
{
_children.put(exchange, new ExchangeMBean(exchange, this));
}
}
}
}
private void initConnections() throws JMException
{
synchronized (_children)
{
for(Connection conn : _virtualHost.getConnections())
{
if(!_children.containsKey(conn))
{
_children.put(conn, new ConnectionMBean(conn, this));
}
}
}
}
public String getObjectInstanceName()
{
return ObjectName.quote(_virtualHost.getName());
}
public String getName()
{
return _virtualHost.getName();
}
public void stateChanged(ConfiguredObject object, State oldState, State newState)
{
// ignore
}
public void childAdded(ConfiguredObject object, ConfiguredObject child)
{
synchronized (_children)
{
try
{
if(child instanceof Queue)
{
QueueMBean queueMB = new QueueMBean((Queue)child, this);
_children.put(child, queueMB);
}
else if(child instanceof Exchange)
{
ExchangeMBean exchangeMBean = new ExchangeMBean((Exchange)child, this);
_children.put(child, exchangeMBean);
}
else if(child instanceof Connection)
{
ConnectionMBean connectionMBean = new ConnectionMBean((Connection)child, this);
_children.put(child, connectionMBean);
}
else
{
LOGGER.debug("Unsupported child : " + child.getName() + " type : " + child.getClass());
}
}
catch(JMException e)
{
LOGGER.error("Failed to add mbean for child : " + child.getName(), e);
}
}
}
public void childRemoved(ConfiguredObject object, ConfiguredObject child)
{
synchronized (_children)
{
AMQManagedObject mbean = _children.remove(child);
if(mbean != null)
{
try
{
mbean.unregister();
}
catch(JMException e)
{
LOGGER.error("Failed to remove mbean for child : " + child.getName(), e);
}
}
}
}
@Override
public ManagedObject getParentObject()
{
return null;
}
protected VirtualHost getVirtualHost()
{
return _virtualHost;
}
public Collection<QueueMBean> getQueues()
{
Collection<AMQManagedObject> children;
synchronized (_children)
{
children = new ArrayList<AMQManagedObject>(_children.values());
}
Collection<QueueMBean> queues = new ArrayList<QueueMBean>();
for(AMQManagedObject child : children)
{
if(child instanceof QueueMBean)
{
queues.add((QueueMBean) child);
}
}
return queues;
}
}
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