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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.virtualhost;
import org.apache.qpid.server.queue.QueueRegistry;
import org.apache.qpid.server.queue.DefaultQueueRegistry;
import org.apache.qpid.server.exchange.*;
import org.apache.qpid.server.management.*;
import org.apache.qpid.server.store.MessageStore;
import org.apache.qpid.server.registry.ApplicationRegistry;
import org.apache.qpid.server.configuration.Configurator;
import org.apache.qpid.server.AMQBrokerManagerMBean;
import org.apache.commons.configuration.Configuration;
import org.apache.log4j.Logger;
import javax.management.NotCompliantMBeanException;
public class VirtualHost
{
private static final Logger _logger = Logger.getLogger(VirtualHost.class);
private final String _name;
private QueueRegistry _queueRegistry;
private ExchangeRegistry _exchangeRegistry;
private ExchangeFactory _exchangeFactory;
private MessageStore _messageStore;
protected VirtualHostMBean _virtualHostMBean;
private AMQBrokerManagerMBean _brokerMBean;
/**
* Abstract MBean class. This has some of the methods implemented from
* management intrerface for exchanges. Any implementaion of an
* Exchange MBean should extend this class.
*/
public class VirtualHostMBean extends AMQManagedObject implements ManagedVirtualHost
{
public VirtualHostMBean() throws NotCompliantMBeanException
{
super(ManagedVirtualHost.class, "VirtualHost");
}
public String getObjectInstanceName()
{
return _name.toString();
}
public String getName()
{
return _name.toString();
}
public VirtualHost getVirtualHost()
{
return VirtualHost.this;
}
} // End of MBean class
public VirtualHost(String name, MessageStore store) throws Exception
{
_name = name;
_virtualHostMBean = new VirtualHostMBean();
_virtualHostMBean.register();
_queueRegistry = new DefaultQueueRegistry(this);
_exchangeFactory = new DefaultExchangeFactory(this);
_exchangeRegistry = new DefaultExchangeRegistry(_exchangeFactory);
_messageStore = store;
_brokerMBean = new AMQBrokerManagerMBean(_virtualHostMBean);
_brokerMBean.register();
}
public VirtualHost(String name, Configuration hostConfig) throws Exception
{
_name = name;
_virtualHostMBean = new VirtualHostMBean();
_virtualHostMBean.register();
_queueRegistry = new DefaultQueueRegistry(this);
_exchangeFactory = new DefaultExchangeFactory(this);
_exchangeRegistry = new DefaultExchangeRegistry(_exchangeFactory);
initialiseMessageStore(hostConfig);
_brokerMBean = new AMQBrokerManagerMBean(_virtualHostMBean);
_brokerMBean.register();
}
private void initialiseMessageStore(Configuration config) throws Exception
{
String messageStoreClass = config.getString("store.class");
Class clazz = Class.forName(messageStoreClass);
Object o = clazz.newInstance();
if (!(o instanceof MessageStore))
{
throw new ClassCastException("Message store class must implement " + MessageStore.class + ". Class " + clazz +
" does not.");
}
_messageStore = (MessageStore) o;
_messageStore.configure(this, "store", config);
}
public <T> T getConfiguredObject(Class<T> instanceType, Configuration config)
{
T instance;
try
{
instance = instanceType.newInstance();
}
catch (Exception e)
{
_logger.error("Unable to instantiate configuration class " + instanceType + " - ensure it has a public default constructor");
throw new IllegalArgumentException("Unable to instantiate configuration class " + instanceType + " - ensure it has a public default constructor");
}
Configurator.configure(instance);
return instance;
}
public String getName()
{
return _name;
}
public QueueRegistry getQueueRegistry()
{
return _queueRegistry;
}
public ExchangeRegistry getExchangeRegistry()
{
return _exchangeRegistry;
}
public ExchangeFactory getExchangeFactory()
{
return _exchangeFactory;
}
public ApplicationRegistry getApplicationRegistry()
{
throw new UnsupportedOperationException();
}
public MessageStore getMessageStore()
{
return _messageStore;
}
public void close() throws Exception
{
if(_messageStore != null)
{
_messageStore.close();
}
}
public ManagedObject getBrokerMBean()
{
return _brokerMBean;
}
public ManagedObject getManagedObject()
{
return _virtualHostMBean;
}
}
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