1 files changed, 238 insertions, 0 deletions
diff --git a/trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/exchange/FanoutExchange.java b/trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/exchange/FanoutExchange.java
new file mode 100644
index 0000000000..00f8ebd856
--- /dev/null
+++ b/trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/exchange/FanoutExchange.java
@@ -0,0 +1,238 @@
+/*
+ *
+ * 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.management.common.mbeans.annotations.MBeanConstructor;
+import org.apache.qpid.management.common.mbeans.annotations.MBeanDescription;
+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.queue.AMQQueue;
+import org.apache.qpid.server.virtualhost.VirtualHost;
+import org.apache.qpid.server.message.InboundMessage;
+import org.apache.qpid.server.logging.actors.CurrentActor;
+import org.apache.qpid.server.logging.actors.ManagementActor;
+
+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
+    {
+        private static final String BINDING_KEY_SUBSTITUTE = "*";
+
+        @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);
+
+            if(_queues.isEmpty())
+            {
+                return _bindingList;
+            }
+
+            ArrayList<String> queueNames = new ArrayList<String>();
+
+            for (AMQQueue queue : _queues)
+            {
+                String queueName = queue.getName().toString();
+                queueNames.add(queueName);
+            }
+
+            Object[] bindingItemValues = {BINDING_KEY_SUBSTITUTE, queueNames.toArray(new String[0])};
+            CompositeData bindingData = new CompositeDataSupport(_bindingDataType, COMPOSITE_ITEM_NAMES, 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.");
+            }
+
+            CurrentActor.set(new ManagementActor(_logActor.getRootMessageLogger()));
+            try
+            {
+                queue.bind(FanoutExchange.this, new AMQShortString(BINDING_KEY_SUBSTITUTE), null);
+            }
+            catch (AMQException ex)
+            {
+                throw new MBeanException(ex);
+            }
+            finally
+            {
+                CurrentActor.remove();
+            }
+        }
+
+    } // End of MBean class
+
+    protected ExchangeMBean createMBean() throws JMException
+    {
+        return new FanoutExchange.FanoutExchangeMBean();
+    }
+
+    public Logger getLogger()
+    {
+        return _logger;
+    }
+
+    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 ArrayList<AMQQueue> route(InboundMessage payload)
+    {
+
+
+        if (_logger.isDebugEnabled())
+        {
+            _logger.debug("Publishing message to queue " + _queues);
+        }
+
+        return 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();
+    }
+}