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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.connection;
import static java.util.Collections.newSetFromMap;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import org.apache.log4j.Logger;
import org.apache.qpid.protocol.AMQConstant;
import org.apache.qpid.server.protocol.AMQConnectionModel;
public class ConnectionRegistry implements IConnectionRegistry
{
private Logger _logger = Logger.getLogger(ConnectionRegistry.class);
private final Set<AMQConnectionModel> _registry = newSetFromMap(new ConcurrentHashMap<AMQConnectionModel, Boolean>());
private final Collection<RegistryChangeListener> _listeners = new ArrayList<>();
@Override
public void initialise()
{
// None required
}
/** Close all of the currently open connections. */
@Override
public void close()
{
close(IConnectionRegistry.BROKER_SHUTDOWN_REPLY_TEXT);
}
@Override
public void close(final String replyText)
{
if (_logger.isDebugEnabled())
{
_logger.debug("Closing connection registry :" + _registry.size() + " connections.");
}
for(AMQConnectionModel conn : _registry)
{
conn.stop();
}
while (!_registry.isEmpty())
{
Iterator<AMQConnectionModel> itr = _registry.iterator();
while(itr.hasNext())
{
AMQConnectionModel connection = itr.next();
try
{
connection.close(AMQConstant.CONNECTION_FORCED, replyText);
}
catch (Exception e)
{
_logger.warn("Exception closing connection " + connection.getConnectionId() + " from " + connection.getRemoteAddressString(), e);
}
finally
{
itr.remove();
}
}
}
}
@Override
public void registerConnection(AMQConnectionModel connection)
{
_registry.add(connection);
synchronized (_listeners)
{
for(RegistryChangeListener listener : _listeners)
{
listener.connectionRegistered(connection);
}
}
}
@Override
public void deregisterConnection(AMQConnectionModel connection)
{
_registry.remove(connection);
synchronized (_listeners)
{
for(RegistryChangeListener listener : _listeners)
{
listener.connectionUnregistered(connection);
}
}
}
@Override
public void addRegistryChangeListener(RegistryChangeListener listener)
{
synchronized (_listeners)
{
_listeners.add(listener);
}
}
@Override
public List<AMQConnectionModel> getConnections()
{
return new ArrayList<>(_registry);
}
}
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