OracleEnvironment.h

/*
╔══════════════════════════════════════════════════════════════════════════════╗
║                        SIMPLY POWERFUL TOOLKIT (SPTK)                        ║
╟──────────────────────────────────────────────────────────────────────────────╢
║  copyright            © 1999-2022 Alexey Parshin. All rights reserved.       ║
║  email                alexeyp@gmail.com                                      ║
╚══════════════════════════════════════════════════════════════════════════════╝
┌──────────────────────────────────────────────────────────────────────────────┐
│   This library is free software; you can redistribute it and/or modify it    │
│   under the terms of the GNU Library General Public License as published by  │
│   the Free Software Foundation; either version 2 of the License, or (at your │
│   option) any later version.                                                 │
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│   This library is distributed in the hope that it will be useful, but        │
│   WITHOUT ANY WARRANTY; without even the implied warranty of                 │
│   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library   │
│   General Public License for more details.                                   │
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│   You should have received a copy of the GNU Library General Public License  │
│   along with this library; if not, write to the Free Software Foundation,    │
│   Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.               │
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│   Please report all bugs and problems to alexeyp@gmail.com.                  │
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*/
 
#pragma once
 
#include <sptk5/db/PoolDatabaseConnection.h>
 
#ifdef HAVE_ORACLE
 
#include <occi.h>
 
namespace sptk {
 
class OracleEnvironment
{
public:
    OracleEnvironment() = default;
 
    OracleEnvironment(const OracleEnvironment&) = delete;
 
    OracleEnvironment(OracleEnvironment&&) = default;
 
    OracleEnvironment& operator=(const OracleEnvironment&) = delete;
 
    OracleEnvironment& operator=(OracleEnvironment&&) = default;
 
    oracle::occi::Environment* handle() const
    {
        return m_handle.get();
    }
 
    static String clientVersion();
 
    oracle::occi::Connection* createConnection(const DatabaseConnectionString& connectionString);
 
    void terminateConnection(oracle::occi::Connection* connection) const;
 
private:
    std::shared_ptr<oracle::occi::Environment> m_handle {
        std::shared_ptr<oracle::occi::Environment>(
            oracle::occi::Environment::createEnvironment("UTF8", "UTF8", oracle::occi::Environment::THREADED_MUTEXED),
            [](oracle::occi::Environment* handle) {
                oracle::occi::Environment::terminateEnvironment(handle);
            })};
};
 
} // namespace sptk
 
#endif