glc_cachemanager.h

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/****************************************************************************

 This file is part of the GLC-lib library.
 Copyright (C) 2005-2008 Laurent Ribon (laumaya@users.sourceforge.net)
 http://glc-lib.sourceforge.net

 GLC-lib 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 3 of the License, or
 (at your option) any later version.

 GLC-lib 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 GLC-lib; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

 *****************************************************************************/

#ifndef GLC_CACHEMANAGER_H_
#define GLC_CACHEMANAGER_H_

#include <QDir>
#include <QString>
#include <QDateTime>
#include "geometry/glc_bsrep.h"

#include "glc_config.h"



class GLC_LIB_EXPORT GLC_CacheManager
{
public:



        GLC_CacheManager(const QString& path= QString());

        GLC_CacheManager(const GLC_CacheManager&);

        GLC_CacheManager& operator=(const GLC_CacheManager&);

        virtual ~GLC_CacheManager();



public:
        inline QString absolutePath() const
        {return m_Dir.absolutePath();}

        inline bool exists() const
        {return m_Dir.exists();}

        bool isReadable() const;

        bool isWritable() const;

        bool isCashed(const QString&, const QString&) const;

        bool isUsable(const QDateTime&, const QString&, const QString&) const;

        GLC_BSRep binary3DRep(const QString&, const QString&) const;

        bool addToCache(const QString&, const GLC_3DRep&);

        inline bool compressionIsUsed() const
        {return m_UseCompression;}

        inline int compressionLevel() const
        {return m_CompressionLevel;}




public:

        bool setCachePath(const QString&);

        inline void setCompressionUsage(bool use)
        {m_UseCompression= use;}

        inline void setCompressionLevel(int level)
        {m_CompressionLevel= level;}

// Private members
private:

        QDir m_Dir;

        bool m_UseCompression;

        int m_CompressionLevel;
};

#endif /* GLC_CACHEMANAGER_H_ */