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/**
******************************************************************************
*
* @file kibertilecache.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 "kibertilecache.h"
//TODO add readwrite lock
namespace core {
KiberTileCache::KiberTileCache()
{
memoryCacheSize = 0;
_MemoryCacheCapacity = 22;
}
void KiberTileCache::setMemoryCacheCapacity(const int &value)
{
kiberCacheLock.lockForWrite();
_MemoryCacheCapacity=value;
kiberCacheLock.unlock();
}
int KiberTileCache::MemoryCacheCapacity()
{
kiberCacheLock.lockForRead();
return _MemoryCacheCapacity;
kiberCacheLock.unlock();
}
void KiberTileCache::RemoveMemoryOverload()
{
while(MemoryCacheSize()>MemoryCacheCapacity())
{
if(cachequeue.count()>0 && list.count()>0)
{
#ifdef DEBUG_MEMORY_CACHE
qDebug()<<"Cleaning Memory cache="<<" started with "<<cachequeue.count()<<" tile "<<"ocupying "<<memoryCacheSize<<" bytes";
#endif
RawTile first=list.dequeue();
memoryCacheSize-=cachequeue.value(first).size();
cachequeue.remove(first);
}
}
#ifdef DEBUG_MEMORY_CACHE
qDebug()<<"Cleaning Memory cache="<<" ended with "<<cachequeue.count()<<" tile "<<"ocupying "<<memoryCacheSize<<" bytes";
#endif
}
}