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77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
/*
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* Copyright (c) 2013 - 2017, Roland Bock, Frank Park
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SQLPP_POOL_CONNECTION_H
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#define SQLPP_POOL_CONNECTION_H
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#include <memory>
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namespace sqlpp
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{
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template <typename Connection_config, typename Reconnect_policy, typename Connection,
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typename Connection_pool = connection_pool<Connection_config, Reconnect_policy, Connection>>
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struct pool_connection
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{
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private:
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std::unique_ptr<Connection> _impl;
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Connection_pool* origin;
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public:
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pool_connection(std::unique_ptr<Connection>& connection, Connection_pool* origin)
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: _impl(std::move(connection)), origin(origin) {}
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~pool_connection()
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{
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origin->free_connection(_impl);
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}
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template<typename... Args>
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auto operator()(Args&&... args) -> decltype(_impl->args(std::forward<Args>(args)...))
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{
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return _impl->args(std::forward<Args>(args)...);
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}
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template <typename T>
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auto operator()(const T& t) -> decltype(_impl->run(t))
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{
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return _impl->run(t);
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}
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Connection* operator->()
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{
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return &_impl;
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}
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pool_connection(const pool_connection&) = delete;
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pool_connection(pool_connection&& other)
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: _impl(std::move(other._impl)), origin(other.origin) {}
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pool_connection& operator=(const pool_connection&) = delete;
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pool_connection& operator=(pool_connection&&) = delete;
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};
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}
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#endif
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