mirror of
https://github.com/rbock/sqlpp11.git
synced 2024-11-15 20:31:16 +08:00
85 lines
2.8 KiB
C++
85 lines
2.8 KiB
C++
/*
|
|
* Copyright (c) 2013 - 2017, Roland Bock, Frank Park
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without modification,
|
|
* are permitted provided that the following conditions are met:
|
|
*
|
|
* Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* Redistributions in binary form must reproduce the above copyright notice, this
|
|
* list of conditions and the following disclaimer in the documentation and/or
|
|
* other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
|
|
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
|
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef SQLPP_POOL_CONNECTION_H
|
|
#define SQLPP_POOL_CONNECTION_H
|
|
|
|
#include <memory>
|
|
|
|
namespace sqlpp
|
|
{
|
|
template <typename Connection_config, typename Reconnect_policy, typename Connection>
|
|
class connection_pool;
|
|
|
|
template <typename Connection_config,
|
|
typename Reconnect_policy,
|
|
typename Connection,
|
|
typename Connection_pool = connection_pool<Connection_config, Reconnect_policy, Connection>>
|
|
struct pool_connection
|
|
{
|
|
private:
|
|
std::unique_ptr<Connection> _impl;
|
|
Connection_pool* origin;
|
|
|
|
public:
|
|
pool_connection(std::unique_ptr<Connection>& connection, Connection_pool* origin)
|
|
: _impl(std::move(connection)), origin(origin)
|
|
{
|
|
}
|
|
|
|
~pool_connection()
|
|
{
|
|
origin->free_connection(_impl);
|
|
}
|
|
|
|
template <typename... Args>
|
|
auto operator()(Args&&... args) -> decltype((*_impl)(std::forward<Args>(args)...))
|
|
{
|
|
return (*_impl)(std::forward<Args>(args)...);
|
|
}
|
|
|
|
template <typename T>
|
|
auto operator()(const T& t) -> decltype((*_impl)(t))
|
|
{
|
|
return (*_impl)(t);
|
|
}
|
|
|
|
Connection* operator->()
|
|
{
|
|
return _impl.get();
|
|
}
|
|
|
|
pool_connection(const pool_connection&) = delete;
|
|
pool_connection(pool_connection&& other) : _impl(std::move(other._impl)), origin(other.origin)
|
|
{
|
|
}
|
|
pool_connection& operator=(const pool_connection&) = delete;
|
|
pool_connection& operator=(pool_connection&&) = delete;
|
|
};
|
|
}
|
|
|
|
#endif
|