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Connector.h
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140 lines (112 loc) · 4.49 KB
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//
// Connector.h
//
// $Id: //poco/1.4/Data/MySQL/include/Poco/Data/MySQL/Connector.h#1 $
//
// Library: Data
// Package: MySQL
// Module: Connector
//
// Definition of the Connector class.
//
// Copyright (c) 2008, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
#ifndef Data_MySQL_Connector_INCLUDED
#define Data_MySQL_Connector_INCLUDED
#include "Poco/Data/MySQL/MySQL.h"
#include "Poco/Data/Connector.h"
// Note: to avoid static (de)initialization problems,
// during connector automatic (un)registration, it is
// best to have this as a macro.
#define POCO_DATA_MYSQL_CONNECTOR_NAME "mysql"
namespace Poco {
namespace Data {
namespace MySQL {
class MySQL_API Connector: public Poco::Data::Connector
/// Connector instantiates MySQL SessionImpl objects.
{
public:
static std::string KEY;
Connector();
/// Creates the Connector.
virtual ~Connector();
/// Destroys the Connector.
virtual const std::string& name() const;
/// Returns the name associated with this connector.
virtual Poco::AutoPtr<Poco::Data::SessionImpl> createSession(const std::string& connectionString,
std::size_t timeout = Poco::Data::SessionImpl::LOGIN_TIMEOUT_DEFAULT);
/// Creates a MySQL SessionImpl object and initializes it with the given connectionString.
static void registerConnector();
/// Registers the Connector under the Keyword Connector::KEY at the Poco::Data::SessionFactory
static void unregisterConnector();
/// Unregisters the Connector under the Keyword Connector::KEY at the Poco::Data::SessionFactory
};
} } } // namespace Poco::Data::MySQL
//
// Automatic Connector registration
//
struct MySQL_API MySQLConnectorRegistrator
/// Connector registering class.
/// A global instance of this class is instantiated
/// with sole purpose to automatically register the
/// MySQL connector with central Poco Data registry.
{
MySQLConnectorRegistrator()
/// Calls Poco::Data::MySQL::registerConnector();
{
Poco::Data::MySQL::Connector::registerConnector();
}
~MySQLConnectorRegistrator()
/// Calls Poco::Data::MySQL::unregisterConnector();
{
Poco::Data::MySQL::Connector::unregisterConnector();
}
};
#if !defined(POCO_NO_AUTOMATIC_LIB_INIT)
#if defined(POCO_OS_FAMILY_WINDOWS)
extern "C" const struct MySQL_API MySQLConnectorRegistrator pocoMySQLConnectorRegistrator;
#if defined(MySQL_EXPORTS)
#if defined(_WIN64)
#define POCO_DATA_MYSQL_FORCE_SYMBOL(s) __pragma(comment (linker, "/export:"#s))
#elif defined(_WIN32)
#define POCO_DATA_MYSQL_FORCE_SYMBOL(s) __pragma(comment (linker, "/export:_"#s))
#endif
#else // !MySQL_EXPORTS
#if defined(_WIN64)
#define POCO_DATA_MYSQL_FORCE_SYMBOL(s) __pragma(comment (linker, "/include:"#s))
#elif defined(_WIN32)
#define POCO_DATA_MYSQL_FORCE_SYMBOL(s) __pragma(comment (linker, "/include:_"#s))
#endif
#endif // MySQL_EXPORTS
#else // !POCO_OS_FAMILY_WINDOWS
#define POCO_DATA_MYSQL_FORCE_SYMBOL(s) extern "C" const struct MySQLConnectorRegistrator s;
#endif // POCO_OS_FAMILY_WINDOWS
POCO_DATA_MYSQL_FORCE_SYMBOL(pocoMySQLConnectorRegistrator)
#endif // POCO_NO_AUTOMATIC_LIB_INIT
//
// End automatic Connector registration
//
#endif // Data_MySQL_Connector_INCLUDED