1 files changed, 122 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/broker/TopicExchange.h b/qpid/cpp/src/qpid/broker/TopicExchange.h
new file mode 100644
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+++ b/qpid/cpp/src/qpid/broker/TopicExchange.h
@@ -0,0 +1,122 @@
+/*
+ *
+ * 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.
+ *
+ */
+#ifndef _TopicExchange_
+#define _TopicExchange_
+
+#include <map>
+#include <vector>
+#include "qpid/broker/BrokerImportExport.h"
+#include "qpid/broker/Exchange.h"
+#include "qpid/framing/FieldTable.h"
+#include "qpid/sys/Monitor.h"
+#include "qpid/broker/Queue.h"
+#include "qpid/broker/TopicKeyNode.h"
+
+
+namespace qpid {
+namespace broker {
+
+class TopicExchange : public virtual Exchange {
+
+    class Normalizer;
+
+    struct BindingKey {        // binding for this node
+        Binding::vector bindingVector;
+        FedBinding fedBinding;
+    };
+
+    typedef TopicKeyNode<BindingKey> BindingNode;
+
+    BindingKey *getQueueBinding(Queue::shared_ptr queue, const std::string& pattern);
+    bool deleteBinding(Queue::shared_ptr queue,
+                       const std::string& routingKey,
+                       BindingKey *bk);
+
+    class ReOriginIter;
+    class BindingsFinderIter;
+    class QueueFinderIter;
+
+    BindingNode bindingTree;
+    unsigned long nBindings;
+    qpid::sys::RWlock lock;     // protects bindingTree and nBindings
+    qpid::sys::RWlock cacheLock;     // protects cache
+    std::map<std::string, BindingList> bindingCache; // cache of matched routes.
+
+    class ClearCache {
+    private:
+        qpid::sys::RWlock* cacheLock;
+        std::map<std::string, BindingList>* bindingCache;
+        bool cleared; 
+    public:
+        ClearCache(qpid::sys::RWlock* l, std::map<std::string, BindingList>* bc) :
+            cacheLock(l), bindingCache(bc),cleared(false) {};
+        void clearCache() {
+            qpid::sys::RWlock::ScopedWlock l(*cacheLock);
+            if (!cleared) {
+                bindingCache->clear();
+                cleared =true;
+            }
+        };
+        ~ClearCache(){ 
+            clearCache();
+        };
+    };
+
+public:
+    QPID_BROKER_EXTERN static const std::string typeName;
+
+    static QPID_BROKER_EXTERN std::string normalize(const std::string& pattern);
+
+    QPID_BROKER_EXTERN TopicExchange(const std::string& name,
+                                     management::Manageable* parent = 0, Broker* broker = 0);
+    QPID_BROKER_EXTERN TopicExchange(const std::string& _name,
+                                     bool _durable, bool autodelete,
+                                     const qpid::framing::FieldTable& _args,
+                                     management::Manageable* parent = 0, Broker* broker = 0);
+
+    virtual std::string getType() const { return typeName; }
+
+    QPID_BROKER_EXTERN virtual bool bind(Queue::shared_ptr queue,
+                                         const std::string& routingKey,
+                                         const qpid::framing::FieldTable* args);
+
+    virtual bool unbind(Queue::shared_ptr queue, const std::string& routingKey, const qpid::framing::FieldTable* args);
+
+    QPID_BROKER_EXTERN virtual void route(Deliverable& msg);
+
+    QPID_BROKER_EXTERN virtual bool isBound(Queue::shared_ptr queue,
+                                            const std::string* const routingKey,
+                                            const qpid::framing::FieldTable* const args);
+
+    QPID_BROKER_EXTERN virtual ~TopicExchange();
+    virtual bool supportsDynamicBinding() { return true; }
+
+    class TopicExchangeTester;
+    friend class TopicExchangeTester;
+  protected:
+    bool hasBindings();
+};
+
+
+}
+}
+
+#endif