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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.
+ *
+ */
+#ifndef _TopicExchange_
+#define _TopicExchange_
+
+#include <map>
+#include <vector>
+#include <BrokerExchange.h>
+#include <FieldTable.h>
+#include <BrokerMessage.h>
+#include <sys/Monitor.h>
+#include <BrokerQueue.h>
+
+namespace qpid {
+namespace broker {
+
+/** A vector of string tokens */
+class Tokens : public std::vector<std::string> {
+ public:
+ Tokens() {};
+ // Default copy, assign, dtor are sufficient.
+
+ /** Tokenize s, provides automatic conversion of string to Tokens */
+ Tokens(const std::string& s) { operator=(s); }
+ /** Tokenizing assignment operator s */
+ Tokens & operator=(const std::string& s);
+
+ private:
+ size_t hash;
+};
+
+
+/**
+ * Tokens that have been normalized as a pattern and can be matched
+ * with topic Tokens. Normalized meands all sequences of mixed * and
+ * # are reduced to a series of * followed by at most one #.
+ */
+class TopicPattern : public Tokens
+{
+ public:
+ TopicPattern() {}
+ // Default copy, assign, dtor are sufficient.
+ TopicPattern(const Tokens& tokens) { operator=(tokens); }
+ TopicPattern(const std::string& str) { operator=(str); }
+ TopicPattern& operator=(const Tokens&);
+ TopicPattern& operator=(const std::string& str) { return operator=(Tokens(str)); }
+
+ /** Match a topic */
+ bool match(const std::string& topic) { return match(Tokens(topic)); }
+ bool match(const Tokens& topic) const;
+
+ private:
+ void normalize();
+};
+
+class TopicExchange : public virtual Exchange{
+ typedef std::map<TopicPattern, Queue::vector> BindingMap;
+ BindingMap bindings;
+ qpid::sys::Mutex lock;
+
+ public:
+ static const std::string typeName;
+
+ TopicExchange(const string& name);
+
+ virtual std::string getType(){ return typeName; }
+
+ virtual void bind(Queue::shared_ptr queue, const string& routingKey, const qpid::framing::FieldTable* args);
+
+ virtual void unbind(Queue::shared_ptr queue, const string& routingKey, const qpid::framing::FieldTable* args);
+
+ virtual void route(Deliverable& msg, const string& routingKey, const qpid::framing::FieldTable* args);
+
+ virtual ~TopicExchange();
+};
+
+
+
+}
+}
+
+#endif