StaticCache.h++

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/* ---------------------------------------------------------------------------
   commonc++ - A C++ Common Class Library
   Copyright (C) 2005-2014  Mark A Lindner

   This file is part of commonc++.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with this library; if not, write to the Free
   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   ---------------------------------------------------------------------------
*/

#ifndef __ccxx_StaticCache_hxx
#define __ccxx_StaticCache_hxx

#include <commonc++/AbstractCache.h++>

namespace ccxx {

template<typename K, typename T> class StaticCache : public AbstractCache<K, T>
{
 public:

  StaticCache(uint_t maxSize);

  virtual ~StaticCache();

  virtual T* get(const K& key);

  virtual void clear();

 protected:

  virtual T* constructItem() = 0;

  virtual bool loadItem(const K& key, T* item) = 0;

 private:

  typedef typename AbstractCache<K, T>::Link Link;
  typedef typename AbstractCache<K, T>::MapType MapType;

  mutable Link* _free;
};

#include <ccxx/StaticCacheImpl.h++>

} // namespace ccxx

#endif // __ccxx_StaticCache_hxx