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/*
* Copyright (C) 2007-2010 Xagasoft, All rights reserved.
*
* This file is part of the libbu++ library and is released under the
* terms of the license contained in the file LICENSE.
*/
#ifndef BU_CACHE_CALC_H
#define BU_CACHE_CALC_H
#include "bu/trace.h"
#include <time.h>
namespace Bu
{
template<class keytype, class obtype> class Cache;
template<class keytype, class obtype>
class CacheCalc
{
friend class Cache<keytype, obtype>;
private:
typedef Cache<keytype, obtype> MyCache;
public:
CacheCalc() :
pCache( (MyCache *)0 )
{
TRACE();
}
virtual ~CacheCalc()
{
TRACE();
}
virtual void onLoad( obtype *pSrc, const keytype &key )=0;
virtual void onUnload( obtype *pSrc, const keytype &key )=0;
virtual void onDestroy( obtype *pSrc, const keytype &key )=0;
virtual bool shouldSync( obtype *pSrc, const keytype &key,
time_t tLastSync )=0;
virtual void onTick() { };
protected:
MyCache *getCache()
{
TRACE();
return pCache;
}
private:
void setCache( MyCache *pCache )
{
TRACE();
this->pCache = pCache;
}
MyCache *pCache;
};
};
#endif
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