1 files changed, 83 insertions, 0 deletions
diff --git a/cpp/src/qpid/broker/Exchange.h b/cpp/src/qpid/broker/Exchange.h
new file mode 100644
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+++ b/cpp/src/qpid/broker/Exchange.h
@@ -0,0 +1,83 @@
+#ifndef _broker_Exchange_h
+#define _broker_Exchange_h
+
+/*
+ *
+ * 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.
+ *
+ */
+
+#include <boost/shared_ptr.hpp>
+#include "Deliverable.h"
+#include "Queue.h"
+#include "MessageStore.h"
+#include "PersistableExchange.h"
+#include "qpid/framing/FieldTable.h"
+
+namespace qpid {
+    namespace broker {
+        using std::string;
+        class ExchangeRegistry;
+
+        class Exchange : public PersistableExchange{
+        private:
+            const string name;
+            const bool durable;
+            qpid::framing::FieldTable args;
+            boost::shared_ptr<Exchange> alternate;
+            uint32_t alternateUsers;
+            mutable uint64_t persistenceId;
+
+        public:
+            typedef boost::shared_ptr<Exchange> shared_ptr;
+
+            explicit Exchange(const string& _name) : name(_name), durable(false), persistenceId(0){}
+            Exchange(const string& _name, bool _durable, const qpid::framing::FieldTable& _args) 
+                : name(_name), durable(_durable), args(_args), alternateUsers(0), persistenceId(0){}
+            virtual ~Exchange(){}
+
+            const string& getName() const { return name; }
+            bool isDurable() { return durable; }
+            qpid::framing::FieldTable& getArgs() { return args; }
+
+            Exchange::shared_ptr getAlternate() { return alternate; }
+            void setAlternate(Exchange::shared_ptr _alternate) { alternate = _alternate; }
+            void incAlternateUsers() { alternateUsers++; }
+            void decAlternateUsers() { alternateUsers--; }
+            bool inUseAsAlternate() { return alternateUsers > 0; }
+
+            virtual string getType() const = 0;
+            virtual bool bind(Queue::shared_ptr queue, const string& routingKey, const qpid::framing::FieldTable* args) = 0;
+            virtual bool unbind(Queue::shared_ptr queue, const string& routingKey, const qpid::framing::FieldTable* args) = 0;
+            virtual bool isBound(Queue::shared_ptr queue, const string* const routingKey, const qpid::framing::FieldTable* const args) = 0;
+            virtual void route(Deliverable& msg, const string& routingKey, const qpid::framing::FieldTable* args) = 0;
+
+            //PersistableExchange:
+            void setPersistenceId(uint64_t id) const { persistenceId = id; }
+            uint64_t getPersistenceId() const { return persistenceId; }
+            uint32_t encodedSize() const;
+            void encode(framing::Buffer& buffer) const; 
+
+            static Exchange::shared_ptr decode(ExchangeRegistry& exchanges, framing::Buffer& buffer);
+
+        };
+    }
+}
+
+
+#endif  /*!_broker_Exchange.cpp_h*/