/usr/share/cruisecontrol-bin-2.6.1/projects/qpid-trunk/cpp/src/qpid/broker/Exchange.h

00001 #ifndef _broker_Exchange_h
00002 #define _broker_Exchange_h
00003 
00004 /*
00005  *
00006  * Licensed to the Apache Software Foundation (ASF) under one
00007  * or more contributor license agreements.  See the NOTICE file
00008  * distributed with this work for additional information
00009  * regarding copyright ownership.  The ASF licenses this file
00010  * to you under the Apache License, Version 2.0 (the
00011  * "License"); you may not use this file except in compliance
00012  * with the License.  You may obtain a copy of the License at
00013  * 
00014  *   http://www.apache.org/licenses/LICENSE-2.0
00015  * 
00016  * Unless required by applicable law or agreed to in writing,
00017  * software distributed under the License is distributed on an
00018  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
00019  * KIND, either express or implied.  See the License for the
00020  * specific language governing permissions and limitations
00021  * under the License.
00022  *
00023  */
00024 
00025 #include <boost/shared_ptr.hpp>
00026 #include "Deliverable.h"
00027 #include "Queue.h"
00028 #include "MessageStore.h"
00029 #include "PersistableExchange.h"
00030 #include "qpid/framing/FieldTable.h"
00031 #include "qpid/management/Manageable.h"
00032 #include "qpid/management/Exchange.h"
00033 #include "qpid/management/Binding.h"
00034 
00035 namespace qpid {
00036     namespace broker {
00037         using std::string;
00038         class ExchangeRegistry;
00039 
00040         class Exchange : public PersistableExchange, public management::Manageable {
00041         private:
00042             const string name;
00043             const bool durable;
00044             qpid::framing::FieldTable args;
00045             boost::shared_ptr<Exchange> alternate;
00046             uint32_t alternateUsers;
00047             mutable uint64_t persistenceId;
00048 
00049         protected:
00050             struct Binding : public management::Manageable {
00051                 typedef boost::shared_ptr<Binding>       shared_ptr;
00052                 typedef std::vector<Binding::shared_ptr> vector;
00053 
00054                 Queue::shared_ptr         queue;
00055                 const std::string         key;
00056                 const framing::FieldTable args;
00057                 management::Binding::shared_ptr mgmtBinding;
00058 
00059                 Binding(const std::string& key, const Queue::shared_ptr queue, Exchange* parent = 0,
00060                         framing::FieldTable args = framing::FieldTable ());
00061                 ~Binding ();
00062                 management::ManagementObject::shared_ptr GetManagementObject () const;
00063                 management::Manageable::status_t ManagementMethod (uint32_t methodId, management::Args& args);
00064             };
00065 
00066             management::Exchange::shared_ptr mgmtExchange;
00067 
00068         public:
00069             typedef boost::shared_ptr<Exchange> shared_ptr;
00070 
00071             explicit Exchange(const string& name, management::Manageable* parent = 0);
00072             Exchange(const string& _name, bool _durable, const qpid::framing::FieldTable& _args,
00073                      management::Manageable* parent = 0);
00074             virtual ~Exchange();
00075 
00076             const string& getName() const { return name; }
00077             bool isDurable() { return durable; }
00078             qpid::framing::FieldTable& getArgs() { return args; }
00079 
00080             Exchange::shared_ptr getAlternate() { return alternate; }
00081             void setAlternate(Exchange::shared_ptr _alternate) { alternate = _alternate; }
00082             void incAlternateUsers() { alternateUsers++; }
00083             void decAlternateUsers() { alternateUsers--; }
00084             bool inUseAsAlternate() { return alternateUsers > 0; }
00085 
00086             virtual string getType() const = 0;
00087             virtual bool bind(Queue::shared_ptr queue, const string& routingKey, const qpid::framing::FieldTable* args) = 0;
00088             virtual bool unbind(Queue::shared_ptr queue, const string& routingKey, const qpid::framing::FieldTable* args) = 0;
00089             virtual bool isBound(Queue::shared_ptr queue, const string* const routingKey, const qpid::framing::FieldTable* const args) = 0;
00090             virtual void route(Deliverable& msg, const string& routingKey, const qpid::framing::FieldTable* args) = 0;
00091 
00092             //PersistableExchange:
00093             void setPersistenceId(uint64_t id) const { persistenceId = id; }
00094             uint64_t getPersistenceId() const { return persistenceId; }
00095             uint32_t encodedSize() const;
00096             void encode(framing::Buffer& buffer) const; 
00097 
00098             static Exchange::shared_ptr decode(ExchangeRegistry& exchanges, framing::Buffer& buffer);
00099 
00100             // Manageable entry points
00101             management::ManagementObject::shared_ptr GetManagementObject (void) const;
00102             management::Manageable::status_t
00103                 ManagementMethod (uint32_t, management::Args&) { return management::Manageable::STATUS_UNKNOWN_METHOD; }
00104         };
00105     }
00106 }
00107 
00108 
00109 #endif  

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