new trunk (base for 1.5)

windows build only

Foundation/include/Poco/AccessExpireLRUCache.h

@@ -0,0 +1,84 @@
+//
+// AccessExpireLRUCache.h
+//
+// $Id: //poco/1.4/Foundation/include/Poco/AccessExpireLRUCache.h#1 $
+//
+// Library: Foundation
+// Package: Cache
+// Module:  AccessExpireLRUCache
+//
+// Definition of the AccessExpireLRUCache 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_AccessExpireLRUCache_INCLUDED
+#define Foundation_AccessExpireLRUCache_INCLUDED
+
+
+#include "Poco/AbstractCache.h"
+#include "Poco/StrategyCollection.h"
+#include "Poco/AccessExpireStrategy.h"
+#include "Poco/LRUStrategy.h"
+
+
+namespace Poco {
+
+
+template < 
+	class TKey,
+	class TValue,
+	class TMutex = FastMutex, 
+	class TEventMutex = FastMutex
+>
+class AccessExpireLRUCache: public AbstractCache<TKey, TValue, StrategyCollection<TKey, TValue>, TMutex, TEventMutex>
+	/// An AccessExpireLRUCache combines LRU caching and time based expire caching.
+	/// It cache entries for a fixed time period (per default 10 minutes)
+	/// but also limits the size of the cache (per default: 1024).
+{
+public:
+	AccessExpireLRUCache(long cacheSize = 1024, Timestamp::TimeDiff expire = 600000): 
+		AbstractCache<TKey, TValue, StrategyCollection<TKey, TValue>, TMutex, TEventMutex >(StrategyCollection<TKey, TValue>())
+	{
+		this->_strategy.pushBack(new LRUStrategy<TKey, TValue>(cacheSize));
+		this->_strategy.pushBack(new AccessExpireStrategy<TKey, TValue>(expire));
+	}
+
+	~AccessExpireLRUCache()
+	{
+	}
+
+private:
+	AccessExpireLRUCache(const AccessExpireLRUCache& aCache);
+	AccessExpireLRUCache& operator = (const AccessExpireLRUCache& aCache);
+};
+
+
+} // namespace Poco
+
+
+#endif // Foundation_AccessExpireLRUCache_INCLUDED