Apache Qpid C++ API
Apache Qpid - AMQP Messaging for Java JMS, C++, Python, Ruby, and .NET Apache Qpid Documentation

qpid/client/FailoverManager.h

Go to the documentation of this file.
00001 #ifndef QPID_CLIENT_FAILOVERMANAGER_H
00002 #define QPID_CLIENT_FAILOVERMANAGER_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 "Connection.h"
00026 #include "ConnectionSettings.h"
00027 #include "qpid/Exception.h"
00028 #include "qpid/client/AsyncSession.h"
00029 #include "qpid/sys/Monitor.h"
00030 #include <vector>
00031 
00032 namespace qpid {
00033 namespace client {
00034 
00035 struct CannotConnectException : qpid::Exception 
00036 {
00037     CannotConnectException(const std::string& m) : qpid::Exception(m) {}
00038 };
00039 
00043 class FailoverManager
00044 {
00045   public:
00050     struct Command
00051     {
00062         virtual void execute(AsyncSession& session, bool isRetry) = 0;
00063         virtual ~Command() {}
00064     };
00065 
00066     struct ReconnectionStrategy
00067     {
00075         virtual void editUrlList(std::vector<Url>&  urls) = 0;
00076         virtual ~ReconnectionStrategy() {}
00077     };
00078 
00087     FailoverManager(const ConnectionSettings& settings, ReconnectionStrategy* strategy = 0);
00098     Connection& connect(std::vector<Url> brokers = std::vector<Url>());
00102     Connection& getConnection();
00106     void close();
00119     void execute(Command&);
00120   private:
00121     enum State {IDLE, CONNECTING, CANT_CONNECT};
00122 
00123     qpid::sys::Monitor lock;
00124     Connection connection;
00125     ConnectionSettings settings;
00126     ReconnectionStrategy* strategy;
00127     State state;
00128 
00129     void attempt(Connection&, ConnectionSettings settings, std::vector<Url> urls);
00130     void attempt(Connection&, ConnectionSettings settings);
00131 };
00132 }} // namespace qpid::client
00133 
00134 #endif  

Qpid C++ API Reference
Generated on Tue Dec 8 15:39:36 2009 for Qpid C++ Client API by doxygen 1.4.7