2012-04-29 20:52:25 +02:00
|
|
|
//
|
|
|
|
// LRUCache.h
|
|
|
|
//
|
|
|
|
// $Id: //poco/1.4/Foundation/include/Poco/LRUCache.h#1 $
|
|
|
|
//
|
|
|
|
// Library: Foundation
|
|
|
|
// Package: Cache
|
|
|
|
// Module: LRUCache
|
|
|
|
//
|
|
|
|
// Definition of the LRUCache class.
|
|
|
|
//
|
|
|
|
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
|
|
|
|
// and Contributors.
|
|
|
|
//
|
|
|
|
// Permission is hereby granted, free of charge, to any person or organization
|
|
|
|
// obtaining a copy of the software and accompanying documentation covered by
|
|
|
|
// this license (the "Software") to use, reproduce, display, distribute,
|
|
|
|
// execute, and transmit the Software, and to prepare derivative works of the
|
|
|
|
// Software, and to permit third-parties to whom the Software is furnished to
|
|
|
|
// do so, all subject to the following:
|
|
|
|
//
|
|
|
|
// The copyright notices in the Software and this entire statement, including
|
|
|
|
// the above license grant, this restriction and the following disclaimer,
|
|
|
|
// must be included in all copies of the Software, in whole or in part, and
|
|
|
|
// all derivative works of the Software, unless such copies or derivative
|
|
|
|
// works are solely in the form of machine-executable object code generated by
|
|
|
|
// a source language processor.
|
|
|
|
//
|
|
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
|
|
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
|
|
|
|
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
|
|
|
|
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
|
|
|
|
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
|
|
// DEALINGS IN THE SOFTWARE.
|
|
|
|
//
|
|
|
|
|
|
|
|
|
|
|
|
#ifndef Foundation_LRUCache_INCLUDED
|
|
|
|
#define Foundation_LRUCache_INCLUDED
|
|
|
|
|
|
|
|
|
|
|
|
#include "Poco/AbstractCache.h"
|
|
|
|
#include "Poco/LRUStrategy.h"
|
|
|
|
|
|
|
|
|
|
|
|
namespace Poco {
|
|
|
|
|
|
|
|
|
|
|
|
template <
|
|
|
|
class TKey,
|
|
|
|
class TValue,
|
|
|
|
class TMutex = FastMutex,
|
|
|
|
class TEventMutex = FastMutex
|
|
|
|
>
|
|
|
|
class LRUCache: public AbstractCache<TKey, TValue, LRUStrategy<TKey, TValue>, TMutex, TEventMutex>
|
|
|
|
/// An LRUCache implements Least Recently Used caching. The default size for a cache is 1024 entries.
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
LRUCache(long size = 1024):
|
|
|
|
AbstractCache<TKey, TValue, LRUStrategy<TKey, TValue>, TMutex, TEventMutex>(LRUStrategy<TKey, TValue>(size))
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
~LRUCache()
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
private:
|
|
|
|
LRUCache(const LRUCache& aCache);
|
|
|
|
LRUCache& operator = (const LRUCache& aCache);
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
} // namespace Poco
|
|
|
|
|
|
|
|
|
|
|
|
#endif // Foundation_LRUCache_INCLUDED
|