/**
******************************************************************************
*
* @file       memorycache.cpp
* @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
* @brief      
* @see        The GNU Public License (GPL) Version 3
* @defgroup   OPMapWidget
* @{
* 
*****************************************************************************/
/* 
* This program is free software; you can redistribute it and/or modify 
* it under the terms of the GNU General Public License as published by 
* the Free Software Foundation; either version 3 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 General Public License 
* for more details.
* 
* You should have received a copy of the GNU General Public License along 
* with this program; if not, write to the Free Software Foundation, Inc., 
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "memorycache.h"
//TODO add readwrite lock

namespace core {
    MemoryCache::MemoryCache()
    {

    }


    QByteArray MemoryCache::GetTileFromMemoryCache(const RawTile &tile)
    {
        kiberCacheLock.lockForRead();
        QByteArray pic;
        pic=TilesInMemory.cachequeue.value(tile);
        // TilesInMemory.find(key,&pic);
        kiberCacheLock.unlock();
        return pic;
    }
    void MemoryCache::AddTileToMemoryCache(const RawTile &tile, const QByteArray &pic)
    {
        kiberCacheLock.lockForWrite();
        // QPixmapCache::Key key=TilesInMemory.insert(pic);
        TilesInMemory.memoryCacheSize +=pic.size();
#ifdef DEBUG_MEMORY_CACHE
        qDebug()<<"Current memory="<<TilesInMemory.memoryCacheSize<<" in "<<TilesInMemory.cachequeue.count()<<" tiles";
#endif
        TilesInMemory.cachequeue.insert(tile,pic);
        TilesInMemory.list.enqueue(tile);

        kiberCacheLock.unlock();
    }

}
