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#ifndef _VolatileCache_h_
#define _VolatileCache_h_
//
// VolatileCache.h
//
// VolatileCache: the simplest non-persistent Query result cache.
// This is default policy.
//
// Part of the ht://Dig package <http://www.htdig.org/>
// Copyright (c) 1995-2004 The ht://Dig Group
// For copyright details, see the file COPYING in your distribution
// or the GNU Library General Public License (LGPL) version 2 or later
// <http://www.gnu.org/copyleft/lgpl.html>
//
// $Id: VolatileCache.h,v 1.4 2004/05/28 13:15:24 lha Exp $
//
#ifdef HAVE_CONFIG_H
#include "htconfig.h"
#endif
#include "QueryCache.h"
#include "Dictionary.h"
class VolatileCache : public QueryCache
{
public:
// cons & destr
VolatileCache() {}
~VolatileCache();
// get cached result from in-memory cache
ResultList *Lookup(const String &signature);
// add result to in-memory cache
void Add(const String &signature, ResultList *entry);
private:
Dictionary cache;
static ResultList * const empty;
};
#endif
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