dblock.h

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/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 *
 * Distributed under the Boost Software License, Version 1.0.
 * (See accompanying file LICENSE or copy at https://www.boost.org/LICENSE_1_0.txt)
 **********************************************************************/
 
#pragma once
 
#include <QMutex>
#include <QString>
#include <QSet>
#include "dbconfig.h"
 
class QSqlError;
class QSqlQuery;
class QSqlDatabase;
 
namespace LC
{
namespace Util
{
    class DBLock
    {
        QSqlDatabase& Database_;
 
        bool Good_ = false;
        bool Initialized_ = false;
 
        static QMutex LockedMutex_;
        static QSet<QString> LockedBases_;
    public:
        DBLock (const DBLock&) = delete;
        DBLock& operator= (const DBLock&) = delete;
 
        DBLock (DBLock&&) = default;
 
        UTIL_DB_API explicit DBLock (QSqlDatabase& database);
 
        UTIL_DB_API ~DBLock ();
 
        UTIL_DB_API void Init ();
 
        UTIL_DB_API void Good ();
 
        UTIL_DB_API static void DumpError (const QSqlError& error);
 
        UTIL_DB_API static void DumpError (const QSqlQuery& query);
 
        UTIL_DB_API static void Execute (QSqlQuery& query);
    };
};
};