| /* |
| * |
| * 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.exchange; |
| |
| import org.apache.log4j.Logger; |
| import org.apache.qpid.AMQException; |
| import org.apache.qpid.protocol.AMQConstant; |
| import org.apache.qpid.exchange.ExchangeDefaults; |
| import org.apache.qpid.framing.AMQShortString; |
| import org.apache.qpid.framing.FieldTable; |
| import org.apache.qpid.server.management.MBeanConstructor; |
| import org.apache.qpid.server.management.MBeanDescription; |
| import org.apache.qpid.server.queue.IncomingMessage; |
| import org.apache.qpid.server.queue.AMQQueue; |
| import org.apache.qpid.server.virtualhost.VirtualHost; |
| |
| import javax.management.JMException; |
| import javax.management.MBeanException; |
| import javax.management.openmbean.CompositeData; |
| import javax.management.openmbean.CompositeDataSupport; |
| import javax.management.openmbean.OpenDataException; |
| import javax.management.openmbean.TabularData; |
| import javax.management.openmbean.TabularDataSupport; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.ArrayList; |
| import java.util.concurrent.CopyOnWriteArraySet; |
| |
| public class FanoutExchange extends AbstractExchange |
| { |
| private static final Logger _logger = Logger.getLogger(FanoutExchange.class); |
| |
| /** |
| * Maps from queue name to queue instances |
| */ |
| private final CopyOnWriteArraySet<AMQQueue> _queues = new CopyOnWriteArraySet<AMQQueue>(); |
| |
| /** |
| * MBean class implementing the management interfaces. |
| */ |
| @MBeanDescription("Management Bean for Fanout Exchange") |
| private final class FanoutExchangeMBean extends ExchangeMBean |
| { |
| @MBeanConstructor("Creates an MBean for AMQ fanout exchange") |
| public FanoutExchangeMBean() throws JMException |
| { |
| super(); |
| _exchangeType = "fanout"; |
| init(); |
| } |
| |
| public TabularData bindings() throws OpenDataException |
| { |
| |
| _bindingList = new TabularDataSupport(_bindinglistDataType); |
| |
| for (AMQQueue queue : _queues) |
| { |
| String queueName = queue.getName().toString(); |
| |
| Object[] bindingItemValues = {queueName, new String[]{queueName}}; |
| CompositeData bindingData = new CompositeDataSupport(_bindingDataType, _bindingItemNames, bindingItemValues); |
| _bindingList.put(bindingData); |
| } |
| |
| return _bindingList; |
| } |
| |
| public void createNewBinding(String queueName, String binding) throws JMException |
| { |
| AMQQueue queue = getQueueRegistry().getQueue(new AMQShortString(queueName)); |
| if (queue == null) |
| { |
| throw new JMException("Queue \"" + queueName + "\" is not registered with the exchange."); |
| } |
| |
| try |
| { |
| queue.bind(FanoutExchange.this, new AMQShortString(binding), null); |
| } |
| catch (AMQException ex) |
| { |
| throw new MBeanException(ex); |
| } |
| } |
| |
| } // End of MBean class |
| |
| protected ExchangeMBean createMBean() throws AMQException |
| { |
| try |
| { |
| return new FanoutExchange.FanoutExchangeMBean(); |
| } |
| catch (JMException ex) |
| { |
| _logger.error("Exception occured in creating the direct exchange mbean", ex); |
| throw new AMQException("Exception occured in creating the direct exchange mbean", ex); |
| } |
| } |
| |
| public static final ExchangeType<FanoutExchange> TYPE = new ExchangeType<FanoutExchange>() |
| { |
| |
| public AMQShortString getName() |
| { |
| return ExchangeDefaults.FANOUT_EXCHANGE_CLASS; |
| } |
| |
| public Class<FanoutExchange> getExchangeClass() |
| { |
| return FanoutExchange.class; |
| } |
| |
| public FanoutExchange newInstance(VirtualHost host, |
| AMQShortString name, |
| boolean durable, |
| int ticket, |
| boolean autoDelete) throws AMQException |
| { |
| FanoutExchange exch = new FanoutExchange(); |
| exch.initialise(host, name, durable, ticket, autoDelete); |
| return exch; |
| } |
| |
| public AMQShortString getDefaultExchangeName() |
| { |
| return ExchangeDefaults.FANOUT_EXCHANGE_NAME; |
| } |
| }; |
| |
| public Map<AMQShortString, List<AMQQueue>> getBindings() |
| { |
| return null; |
| } |
| |
| public AMQShortString getType() |
| { |
| return ExchangeDefaults.FANOUT_EXCHANGE_CLASS; |
| } |
| |
| public void registerQueue(AMQShortString routingKey, AMQQueue queue, FieldTable args) throws AMQException |
| { |
| assert queue != null; |
| |
| if (_queues.contains(queue)) |
| { |
| _logger.debug("Queue " + queue + " is already registered"); |
| } |
| else |
| { |
| _queues.add(queue); |
| _logger.debug("Binding queue " + queue + " with routing key " + routingKey + " to exchange " + this); |
| } |
| } |
| |
| public void deregisterQueue(AMQShortString routingKey, AMQQueue queue, FieldTable args) throws AMQException |
| { |
| assert queue != null; |
| |
| if (!_queues.remove(queue)) |
| { |
| throw new AMQException(AMQConstant.NOT_FOUND, "Queue " + queue + " was not registered with exchange " + this.getName() + ". "); |
| } |
| } |
| |
| public void route(IncomingMessage payload) throws AMQException |
| { |
| |
| |
| if (_logger.isDebugEnabled()) |
| { |
| _logger.debug("Publishing message to queue " + _queues); |
| } |
| |
| payload.enqueue(new ArrayList(_queues)); |
| |
| } |
| |
| public boolean isBound(AMQShortString routingKey, FieldTable arguments, AMQQueue queue) |
| { |
| return isBound(routingKey, queue); |
| } |
| |
| public boolean isBound(AMQShortString routingKey, AMQQueue queue) |
| { |
| return _queues.contains(queue); |
| } |
| |
| public boolean isBound(AMQShortString routingKey) |
| { |
| |
| return (_queues != null) && !_queues.isEmpty(); |
| } |
| |
| public boolean isBound(AMQQueue queue) |
| { |
| |
| return _queues.contains(queue); |
| } |
| |
| public boolean hasBindings() |
| { |
| return !_queues.isEmpty(); |
| } |
| } |