SqliteTransaction.h 1.85 KB
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/*****************************************************************************
 * Media Library
 *****************************************************************************
 * Copyright (C) 2015 Hugo Beauzée-Luyssen, Videolabs
 *
 * Authors: Hugo Beauzée-Luyssen<hugo@beauzee.fr>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This program 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/

#pragma once

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#include "SqliteConnection.h"
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#include "Types.h"
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#include <functional>
#include <vector>

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namespace medialibrary
{

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namespace sqlite
{

class Transaction
{
public:
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    Transaction( sqlite::Connection* dbConn );
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    Transaction( const Transaction& ) = delete;
    Transaction( Transaction&& ) = delete;
    Transaction& operator=( const Transaction& ) = delete;
    Transaction& operator=( Transaction&& ) = delete;
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    void commit();
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    static bool transactionInProgress();
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    static void onCurrentTransactionFailure( std::function<void()> f );
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    ~Transaction();

private:
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    sqlite::Connection* m_dbConn;
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    Connection::WriteContext m_ctx;
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    std::vector<std::function<void()>> m_failureHandlers;

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    static thread_local Transaction* CurrentTransaction;
};

}
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}