FileSystemFactory.h 2.1 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.
 *****************************************************************************/

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#pragma once

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#include "compat/Mutex.h"
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#include "factory/IFileSystem.h"
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#include "medialibrary/Types.h"
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#include "utils/Cache.h"
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#include <string>
#include <unordered_map>

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namespace medialibrary
{

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namespace factory
{
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    class FileSystemFactory : public IFileSystem
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    {
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        // UUID -> Device instance map
        using DeviceCacheMap = std::unordered_map<std::string, std::shared_ptr<fs::IDevice>>;

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    public:
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        FileSystemFactory( DeviceListerPtr lister );
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        virtual std::shared_ptr<fs::IDirectory> createDirectory( const std::string& path ) override;
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        virtual std::shared_ptr<fs::IDevice> createDevice( const std::string& uuid ) override;
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        virtual std::shared_ptr<fs::IDevice> createDeviceFromPath( const std::string& path ) override;
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        virtual void refreshDevices() override;
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    private:
        std::unordered_map<std::string, std::shared_ptr<fs::IDirectory>> m_dirs;
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        compat::Mutex m_mutex;
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        DeviceListerPtr m_deviceLister;
        Cache<DeviceCacheMap> m_deviceCache;

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    };
}
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}